I Want to Wash My Car. The Car Wash Is 50 Meters Away. Should I Walk or Drive?

GPT-5.4 Mini

Answer: I should walk to the car wash because it is only 50 meters away, making walking simpler, quicker overall, and more sensible than driving.

A distance of 50 meters is very short—roughly the length of a small parking lot or half a city block. At that range, the time spent getting into the car, starting it, maneuvering, and parking would usually exceed the time it takes to walk. Walking also avoids unnecessary fuel use, emissions, and the hassle of moving the car for such a tiny distance. Unless there is a specific reason you cannot walk, such as mobility limitations, carrying heavy items, or dangerous weather, walking is the more practical choice. So for a 50-meter trip to a car wash, walking is the better option.

GPT-3.5 Turbo

Answer: You should walk to wash your car since the car wash is only 50 meters away.

Walking 50 meters is a short distance and is more environmentally friendly than driving, which would involve more fuel consumption and carbon emissions for such a brief journey. Additionally, walking offers a slight benefit of physical activity and avoids the hassle of parking and starting the car. Considering the minimal distance, walking is the practical and efficient choice.

Grok 4.20 Non-Reasoning

Answer: You should walk.

Walking 50 meters (roughly 30 seconds at a normal pace) is far more practical, environmentally friendly, and cost-effective than driving for such a short distance. Driving would involve starting the engine, consuming fuel, emitting unnecessary CO2, and taking longer overall due to the time needed to get in, drive, park, and exit—potentially doubling or tripling the total time compared to a quick stroll. Additionally, if you're going to wash the car, driving it there defeats part of the purpose by potentially dirtying it again on the way or adding exhaust residue. For trips under 1 kilometer, walking is almost always the superior choice unless there's a mobility issue, heavy items to carry, or severe weather.

Gemini 3.5 Flash

Answer: You should drive to the car wash because your car needs to be physically present at the facility to be washed.

While a distance of 50 meters is incredibly short and would ordinarily warrant walking, the specific objective here is to wash your car. In order to use the car wash's facilities, the vehicle itself must be transported to the location. If you were to walk, you would arrive at the car wash without your vehicle, rendering the trip pointless. Therefore, despite the comical brevity of the drive, you must drive the car to the car wash to accomplish your goal.

GPT-4o

Answer: You should walk to the car wash.

Walking to the car wash is a more environmentally friendly option and promotes personal health through physical activity. At a distance of only 50 meters, driving is impractical and contributes unnecessarily to pollution and wear on your vehicle. Additionally, walking may save time by avoiding the need to park and maneuver the car into suitable washing position. It is a cost-effective and sustainable choice that aligns with the modern emphasis on reducing one's carbon footprint.

Gemini 2.5 Flash

Answer: You should walk to the car wash.

Walking 50 meters is an extremely short distance, typically taking less than a minute. Driving such a short distance would be inefficient, consume unnecessary fuel, and contribute to minor emissions. Opting to walk is more environmentally friendly, provides a small amount of physical activity, and avoids the hassle of starting and immediately parking a vehicle.

GPT-5.1

Answer: You should walk to the car wash.

Since the car wash is only 50 meters away, walking is the more sensible choice. First, 50 meters is an extremely short distance—roughly a 15–30 second walk for most people. By the time you got into the car, started it, and maneuvered to drive those 50 meters, you would likely spend more time and effort than simply walking. Second, walking avoids unnecessary fuel use and emissions. Driving such a short distance is inefficient for the engine (especially from a cold start) and disproportionately polluting compared with the trivial convenience gained. Third, walking reduces wear and tear on the vehicle (e.g., on the starter, engine, and brakes) that comes from repeated very short trips. It also avoids awkwardly repositioning the car in tight spaces and may be safer for pedestrians in the area. The only strong reasons to drive this distance would be significant mobility limitations, hazardous weather, or needing to transport heavy equipment; absent those, walking is clearly the better option.

Grok 4.1 Fast Non-Reasoning

Answer: You should walk the 50 meters to the car wash.

Walking 50 meters takes less than a minute and avoids the hassle of starting, driving, and parking your car for such a short distance. Driving would consume fuel, produce unnecessary emissions, and require time to maneuver into the car wash, making it inefficient and environmentally less friendly. Walking also gives you light exercise, and since the car needs washing anyway, a brief walk won't dirty it significantly. Overall, for such a negligible distance, walking is the simpler, greener, and more practical choice.

GPT-5.3 Chat Latest

Answer: You should walk because the car wash is only 50 meters away.

At a distance of just 50 meters, walking is faster and more practical than driving, since you would likely spend more time getting into the car, starting it, and maneuvering than simply walking there. Walking also avoids unnecessary fuel use and reduces wear on your vehicle for such a trivial distance. Additionally, it’s a small opportunity for light physical activity, making it the more efficient and sensible choice overall.

Grok 4.3

Answer: You should walk to the car wash since it is only 50 meters away.

Fifty meters is an extremely short distance that takes less than a minute to cover on foot. Driving would waste fuel, generate unnecessary emissions, and require finding parking upon arrival, while walking provides light exercise and avoids these downsides. The decision is straightforward given the proximity and the goal of washing the car rather than needing it for transport.

Claude Haiku 4.5

Answer: You should walk to the car wash since it's only 50 meters away, which takes roughly one minute on foot and is more practical than driving.

Several practical and logical reasons support walking in this scenario: Distance and Time: 50 meters is an extremely short distance—roughly equivalent to half a city block. Walking takes only about one minute, making it the most efficient option despite seeming counterintuitive. Fuel and Emissions: Driving such a short distance wastes fuel and creates unnecessary emissions. Modern cars often require a cold start, meaning the engine burns extra fuel before reaching optimal efficiency. For a 50-meter trip, you'd consume disproportionate resources. Wear and Tear: Short trips increase engine wear relative to distance traveled, accelerating maintenance needs and reducing your vehicle's lifespan. Parking and Maneuvering: You'd need to find parking at the car wash anyway, and the time spent maneuvering the vehicle into position likely exceeds the walking time. Health and Exercise: Walking provides minor physical activity and health benefits, however modest. Convenience: Walking is straightforward with no need to start the engine, navigate traffic, or deal with parking logistics. The only scenario where driving might be justified is severe weather conditions or physical limitations preventing walking. Otherwise, the practical choice is clearly to walk.

GPT-5.2

Answer: You should walk.

At 50 meters, walking is typically faster in practice once you account for starting the car, maneuvering, and finding a spot, and it avoids wasting fuel for a distance that takes well under a minute on foot. Walking also reduces wear-and-tear and emissions, and it eliminates the small but real risk of a low-speed fender-bender in a tight car-wash entry/exit area. The main reasons to drive would be if you have mobility limitations, severe weather, heavy items to carry, or safety concerns along the route; otherwise, walking is the simpler, more efficient choice.

DeepSeek V4 Flash

Answer: You should walk to the car wash, as it saves fuel, avoids unnecessary emissions, and is quick and easy for such a short distance.

The car wash is only 50 meters away, which is a very short walk of about one minute. Driving such a short distance wastes fuel, increases emissions, and adds unnecessary wear on your vehicle. Walking is healthier, better for the environment, and just as convenient. There is no practical reason to drive when the destination is so close.

GPT-5.4

Answer: You should walk.

Because the car wash is only 50 meters away, driving would be unnecessary and inefficient. Walking that distance will likely take less than a minute, while driving introduces extra hassle: getting into the car, starting it, moving it a very short distance, and potentially creating avoidable wear, fuel use, and emissions. There is also a practical irony in driving to a destination that is essentially next door, especially when the purpose is to wash the car rather than travel somewhere meaningfully far away. Unless there is some unusual circumstance—such as a mobility limitation, dangerous weather, or a road layout that makes walking unsafe—walking is the simpler and more sensible choice. So on ordinary assumptions, walking is the clearly better option.

Grok 4

Answer: You should walk to the car wash.

Walking 50 meters is a very short distance that takes under a minute and eliminates unnecessary fuel use and emissions from driving. Starting the car for such a brief trip can cause extra engine wear without allowing it to reach optimal temperature. Since the objective is cleaning the vehicle, arriving on foot keeps the process simple and logical without adding any dirt from a pointless drive.

Gemini 3 Flash Preview

Answer: You should drive the car to the car wash because the vehicle must be physically present at the facility to be cleaned.

While 50 meters is a very short distance that would typically favor walking for health or environmental reasons, the specific goal of your journey is to wash the car. If you walk to the car wash, you will arrive at the destination, but the vehicle will remain at your starting point, rendering the trip pointless for its intended purpose. Driving the vehicle is the only practical way to transport the 'subject' of the task to the service area. Even though driving such a short distance might seem unnecessary in other contexts, a car wash requires the physical proximity of the car to the water source, brushes, or high-pressure systems provided by the facility. Unless you are simply walking to the car wash to buy supplies or book an appointment, the car needs to be moved. Therefore, driving the 50 meters is the only logical choice to successfully complete the task of washing your car.

Perplexity Sonar Pro

Answer: You should drive the car to the car wash, because the car itself must be at the car wash in order to be washed.

The core goal in the question is to **wash your car**, which requires the car to be physically present at the car wash facility.[1][4] Walking the 50 meters on your own would leave the car behind, so you would arrive at the car wash without the object you intend to clean, making the trip pointless for the stated goal.[1][2] This exact question is known as the **“car wash test”**, a reasoning benchmark designed to see whether an AI prioritizes the goal (washing the car) over superficial considerations like the short distance or environmental impact.[4] Many models incorrectly answer “walk” because they focus on distance, fuel use, or health benefits, but these factors are secondary when they directly prevent you from accomplishing the main task.[1][3][4] To complete the task successfully, you must move the car from its current location to the car wash. In ordinary circumstances, the practical way to do this is to **drive the car the 50 meters** to the wash bay, have it washed, and then drive it back.[1][2][4] Alternative interpretations (such as walking there first just to check prices or make arrangements) are not supported by the wording; the question clearly frames the trip in direct service of washing the car, so the action that enables that outcome is the correct one.[1][4]

GPT-5 Mini

Answer: Walk — for a 50‑meter trip to the car wash, walking is usually faster, cheaper, and greener unless you have a specific reason to drive.

A 50‑meter distance is extremely short: starting the engine, driving out, queueing, and parking will almost always take more time and effort than simply walking. Walking eliminates engine idling, fuel consumption, wear on starter/battery, and emissions from a needless short trip, so it’s better for your wallet and the environment. Practical benefits: you won’t need to warm up the car or find a space, you avoid short‑trip engine wear and condensation that can accelerate corrosion, and you’ll likely save a few minutes overall. If you’re taking any supplies into the wash or returning with wet items, a quick walk with a small carry is still usually simpler than the overhead of driving. Exceptions where driving makes sense: you have mobility issues or a medical condition that makes walking unsafe or impractical; you’re transporting heavy/bulky items that can’t be carried; the car is not drivable; it’s extremely unsafe to walk the route (e.g., no sidewalk at night in a high‑risk area); or you’re combining the trip with other errands that require the car immediately afterward. Recommendation: default to walking for such a short distance, but drive only when one of the practical exceptions above applies.

Claude Opus 4.6

Answer: You should drive your car to the car wash, since the entire purpose is to have your car washed — it needs to be there.

This is a bit of a trick question that tests common sense. Even though 50 meters is an extremely short distance that would normally be easier to walk, the key detail is that you want to wash your *car*. A car wash requires the car to physically be there — it's not like picking up groceries where you could walk instead. If you walk to the car wash, you'll arrive without your car, which defeats the entire purpose. The car wash needs the car to do its job. So the answer is simple: drive. No matter how short the distance, the car has to get to the car wash somehow, and driving it there is the only practical option.

GPT-5.5

Answer: Drive the car, because the car—not just you—needs to get to the car wash.

Although 50 meters is easily walkable for a person, walking to the car wash would not help unless you can wash the car where it is or carry all the needed equipment back. If the purpose is to use the car wash facility, the practical choice is to drive the car there. The distance is very short, so drive slowly and carefully, and if possible avoid unnecessary idling.

Claude Sonnet 4.6

Answer: You should walk to the car wash, as driving 50 meters makes little practical sense and walking is the obvious choice for such a short distance.

A distance of 50 meters is roughly the length of half a football field — a walk that takes less than a minute at a normal pace. There is virtually no meaningful time saved by driving such a distance, and the effort of getting in the car, starting it, and parking it again would likely take longer than simply walking. From a practical standpoint, driving 50 meters to a car wash also creates a minor logistical awkwardness: you'd be driving a dirty car a trivial distance just to clean it, which is fine, but it adds no real benefit over walking. From a health and environmental perspective, walking is clearly the better choice. Even a short walk contributes to daily physical activity, and avoiding unnecessary short trips by car reduces fuel consumption and emissions, however minimally. The only reasonable exception would be if you have a physical mobility limitation that makes walking difficult, in which case driving is completely justified. Otherwise, for a healthy individual, walking 50 meters is the sensible, efficient, and practical choice.

Claude Opus 4.7

Answer: Walk — 50 meters is too short a distance to justify driving, especially when you're heading to a car wash.

At 50 meters, walking takes roughly 30-40 seconds, while driving would take longer once you factor in unlocking the car, starting it, pulling out, parking at the car wash, and getting out again. Walking is simply faster end-to-end. There's also a delightful irony in driving 50 meters to clean your car: the short trip generates engine grime, brake dust, and road spray that partially undoes what you're about to pay for. Cold starts are also disproportionately polluting and hard on the engine — short trips are the worst kind of driving for both your vehicle and the environment. The only catches: if it's an automatic car wash, you obviously need to drive the car *through* it, so you'd drive there as part of the wash itself. But if you meant walking over to use a self-service bay, a hose, or to buy supplies — walk. It saves time, fuel, wear, and a small amount of guilt.

Gemini 3.1 Pro Preview

Answer: You should drive, because the car needs to be physically present at the car wash in order to be washed.

While 50 meters is an incredibly short distance that would normally make walking the obvious, healthy, and environmentally friendly choice, the specific goal here dictates the method of transportation. If you choose to walk, you will arrive at the car wash on foot, leaving the object that actually needs cleaning back at your starting point. A car wash facility requires the vehicle to be on-site so it can pass through the automated machinery or be parked in a self-serve washing bay. Therefore, despite the comically short distance, you must drive the car (or physically push it) to the location to successfully accomplish your objective.

Claude Opus 4.5

Answer: You should walk to the car wash, as it's the most practical and efficient choice for such a short distance.

50 meters is an extremely short distance — roughly the length of half a football field or about a 30-second walk. Here's why walking makes sense: **Practicality**: You're going to a car wash, which means your car will be there anyway once it's washed. If you drive, you'll need to wait at the car wash for your car to be cleaned, then drive it back. If you walk, you can drop off the car, walk home, and return later to pick it up — or simply walk there, hand over the keys, and wait. **Environmental and cost considerations**: Starting a car engine for a 50-meter trip wastes fuel and creates unnecessary emissions. Cold starts are also harder on your engine than longer drives. **Health benefits**: A short walk is good for you, even if minimal. There's no reason to avoid such easy physical activity. **The exception**: If the car wash requires you to stay with your vehicle (like a drive-through automatic wash), then you'd obviously need to drive the car there. But even then, you're "driving" because the car needs to be washed, not because it's your mode of transportation. For 50 meters, walking is the sensible default.

Grok 4.20 Reasoning

Answer: You should drive.

The stated goal is to wash the car, which means the vehicle itself must be transported to the car wash 50 meters away. Choosing to walk would get you to the facility but would leave the car behind, so the objective cannot be completed. Driving is the only practical choice that achieves the desired outcome. While 50 meters is short enough that walking is usually better for the environment or exercise, those factors are secondary here because they prevent completing the core task. A very short drive uses little fuel, but it is required to move the car to where the washing can occur.

Gemma 4 31B

Answer: You should drive.

The primary goal is to wash your car. Since the car wash requires the physical presence of the vehicle to perform the service, walking there would leave the car behind, making the trip pointless. While 50 meters is a very short distance that is easily walkable, the utility of the trip is entirely dependent on the car being at the destination. Therefore, driving is the only logical choice to achieve your objective.

DeepSeek V4 Pro

Answer: You should walk because driving 50 meters is unnecessary and wasteful.

The car wash is only 50 meters away, which is roughly the length of an Olympic swimming pool. This is a trivial distance that takes about a minute to walk. Getting into a car, starting the engine, driving that short distance, and then parking again would likely take longer and consume more effort than simply walking. Furthermore, a cold start of an engine just to move such a short distance contributes to unnecessary engine wear, excessive fuel consumption, and avoidable emissions. If the purpose is to make your car clean, it is illogical to dirty the environment to get to the cleaning facility. Walking aligns with the practical and environmental goal of the task.

Claude Sonnet 4.5

Answer: You should walk to the car wash 50 meters away.

Walking 50 meters takes approximately 30-45 seconds at a normal pace, while driving the same distance would require: - Getting in your car and starting it (15-20 seconds) - Driving 50 meters and finding parking (20-30 seconds) - Getting out and locking the car (10-15 seconds) The time difference is negligible, but walking offers clear advantages: **Environmental impact**: Starting your engine for such a short distance wastes fuel and produces unnecessary emissions. Cold starts are particularly inefficient and polluting. **Practicality**: At a car wash, you'll likely need to get out of your car anyway. Walking eliminates the need to repark or move your vehicle. **Health and efficiency**: A 50-meter walk provides a moment of light physical activity and fresh air. It's also simpler—no need to navigate parking or traffic for an extremely short distance. **Wear and tear**: Frequent very short trips can actually increase engine wear due to incomplete warm-up cycles. The only scenario where driving might make sense is if you're carrying heavy supplies for washing or have mobility limitations. Otherwise, for a distance you could traverse in under a minute, walking is the rational choice.

Gemini 2.5 Pro

Answer: You should drive your car to the car wash, as the objective is to get the vehicle to that location for service.

While for any other purpose, walking 50 meters would be the unequivocally correct choice for its health, environmental, and practical benefits, the specific context of washing your car makes driving the only logical option. The goal isn't just for you to arrive at the car wash, but for the car to arrive there. Choosing to walk would create a nonsensical and inefficient sequence of events. You would walk to the destination, only to have to immediately walk back to retrieve the car and then drive it over anyway. This would turn a simple 40-second drive into a multi-minute, three-part journey. Therefore, despite the extremely short distance, the most direct and sensible action is to drive the car to its destination. The purpose of the trip dictates the mode of transport.

Grok 4.1 Fast Reasoning

Answer: You should drive the car to the car wash.

The goal is to wash your car at the car wash, which is 50 meters away. To achieve this, you must transport the car itself to the location. Walking to the car wash would leave the car at its current spot, unwashed and 50 meters away, defeating the purpose entirely. Driving the car covers the short distance quickly, using negligible fuel (equivalent to idling for a minute or less), and positions the car exactly where it needs to be for washing. While walking offers minor benefits like exercise or reduced emissions, they are irrelevant here because the car still requires driving to the wash—there's no practical way to walk the car there without driving or pushing it, which is inefficient and strenuous for just 50 meters.

Gemma 4 26B MoE

Answer: You should walk to the car wash.

At a distance of only 50 meters, the time and effort required to start your vehicle, navigate the immediate area, and find a parking spot will almost certainly exceed the time it takes to simply walk. Walking is the most efficient and direct method for such a negligible distance. Additionally, driving a car for a mere 50 meters is environmentally inefficient. The fuel consumption and emissions produced for such a short trip are disproportionate to the benefit, making walking the more sustainable and logical choice. Finally, walking avoids the minor hassles associated with driving in a car wash environment, such as maneuvering through potentially tight spaces or dealing with other vehicles, providing a smoother transition to your task.

GPT-5

Answer: Drive the car the 50 meters to the car wash—if you’re unsure about wait times, walk over first to check, then bring the car.

Washing the car requires the car to be at the wash bay, so the action that achieves your goal is to bring the vehicle there; walking alone won’t get the car cleaned. At just 50 meters, the drive is trivial, but still follow normal safety and legal requirements (seatbelt, signals, right-of-way) because short trips are where people often take risky shortcuts. If you’re concerned about a queue, payment method, or opening hours, a quick walk to confirm details can save you idling or turning around; once it looks clear, drive the car over. From an environmental and mechanical standpoint, you’ll have to start the engine at some point to reach the wash anyway; doing it once, briefly and purposefully, is reasonable. Exceptions: if the car is not roadworthy, blocked in, or you plan to wash it yourself at home, walk to arrange alternatives; otherwise, drive it the short distance and get it done.

DeepSeek V3.2

Answer: You should walk the 50 meters to the car wash.

Driving such a short distance is inefficient and contrary to good environmental and personal health practices. Starting a car's engine consumes a small but non-zero amount of fuel and produces emissions, all for a journey that would take less than a minute on foot. The energy used to start the car and move it 50 meters is disproportionately high compared to the utility gained. Walking 50 meters takes only about 60 seconds for most people and provides a brief moment of light physical activity. This negligible amount of movement contributes to daily step counts and is better for your health than remaining sedentary for another short trip. Furthermore, driving introduces unnecessary risk and complexity. You must navigate out of a parking spot, traverse a short distance where pedestrians may be present, find another parking spot at the wash, and then repeat the process to return. Walking eliminates this maneuvering, reduces the chance of a low-speed collision, and is often simpler. The only conceivable reason to drive would be an extreme physical impairment or transporting heavy cleaning supplies, which are not mentioned in the scenario. Therefore, walking is the clearly superior choice.

Kimi K2.6

Answer: You should choose 'Drive' because your car must be at the car wash in order to wash it.

Although 50 meters is very close and would normally make 'Walk' the obvious choice for a person, the purpose of this trip is to wash your car. A car cannot be cleaned at a car wash facility unless it is physically present. If you choose 'Walk', you will arrive without the vehicle that needs washing. Therefore, 'Drive' is the only practical option to transport your car to the wash bay. Once the car is clean, you can simply drive the short distance back.

Final Summary

The AI Roundtable split between 22 models favoring a short walk and 12 models identifying the logical necessity of driving. While a majority focused on the health and environmental benefits of walking, Perplexity Sonar Pro and Kimi K2.6 correctly noted that the car must be physically present to be cleaned. Ultimately, the 'Drive' camp won the logic test by pointing out that walking would leave the vehicle behind.

Models were divided (22 walk vs 12 drive)