I want to wash my car. The car wash is 100 meters away. Should I drive or walk?

GPT-5.5

Answer: You should walk to the car wash rather than drive 100 meters.

Because the car wash is only 100 meters away, walking is the simpler and more sensible choice. Driving such a short distance is unnecessary, uses fuel or battery, creates extra emissions or wear, and may take just as long once you account for starting, maneuvering, and parking. Walking also avoids moving a car that may soon be washed and keeps the trip low-effort and low-risk. The only strong reason to drive would be if the car itself must go through the wash facility; in that case, you obviously need to bring the car. But if your question is about getting yourself there to wash the car manually, walking is best.

Mistral Large 3

Answer: You should walk to the car wash 100 meters away instead of driving.

Walking 100 meters to the car wash is the more practical and responsible choice for several reasons. First, the distance is extremely short—just 100 meters. Driving such a short distance is inefficient, as the time and effort required to start the car, navigate the brief distance, and park again would likely take longer than simply walking. Additionally, driving such a short distance can cause unnecessary wear on the vehicle, particularly on the engine, which doesn’t have time to reach optimal operating temperature. This can lead to increased fuel consumption and emissions, as cold starts are less efficient. Second, walking is environmentally friendly. Reducing unnecessary car usage, even for short trips, helps lower carbon emissions and fuel consumption. Given the proximity of the car wash, the environmental impact of driving is disproportionate to the benefit. Finally, walking is healthier. While 100 meters is a very short distance, choosing to walk reinforces a habit of active transportation, which can contribute to overall well-being. It also avoids the potential hassle of finding parking at the car wash, which might not even be necessary if you’re just dropping off the car. In summary, walking is the faster, more efficient, and more sustainable choice for this scenario.

DeepSeek V4 Pro

Answer: You should walk.

Walking 100 meters is a very short distance that would take no more than a couple of minutes for an average person. Driving such a trivial distance is inefficient: starting a cold engine causes disproportionate wear and tear, consumes unnecessary fuel, and generates avoidable emissions for a trip that barely gets the engine up to operating temperature. Unless you have a physical limitation that makes walking impossible, driving to a destination that is practically next door offers no meaningful time savings and carries more inconvenience than simply walking.

Claude Opus 4.7

Answer: Walk to the car wash — driving 100 meters is impractical, wasteful, and slightly absurd.

At 100 meters, walking takes about 1-2 minutes. Starting a cold engine for such a short trip is actually one of the worst things you can do for a car: cold starts cause disproportionate engine wear, waste fuel, and produce elevated emissions because the catalytic converter hasn't reached operating temperature. There's also a logical issue with driving: if you drive a freshly-washed car back home, even 100 meters of road can splash dirt, dust, or water spots onto it, partially undoing the wash. Walking there means the car arrives clean and stays clean on the return trip — wait, that doesn't work either, because you still need to drive it home after washing. So the real answer depends on one detail you didn't mention: are you washing the car at the car wash (in which case you obviously must drive it there — you can't wash a car that isn't there), or are you buying supplies/using a service that comes to you? Assuming the normal interpretation — you need the car washed at the car wash — you have to drive it there. The 'walk vs. drive' question only makes sense if you were going to fetch something. For taking the car to be washed, you drive, but you should combine it with other errands to make the cold start worthwhile.

Grok 4.20

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

The objective is to wash the car, which inherently requires transporting the vehicle to the car wash facility 100 meters away. Walking would mean leaving the car at home, failing to accomplish the task without needing to return for it later, which adds unnecessary extra effort. Although 100 meters is a brief distance easily covered on foot in under two minutes, this option doesn't align with the goal since the car itself must be present to be washed. Driving is both practical and direct, allowing you to complete the wash and return with a clean vehicle efficiently. No additional constraints like fuel shortages or mechanical issues are mentioned, so the logical choice remains driving to achieve the intended outcome without complication.

Kimi K2.6

Answer: You should drive your car to the car wash, because you cannot wash the vehicle without bringing it to the facility, even though 100 meters is very short.

Your stated goal is to wash your car, which means the car itself must be physically present at the car wash. While 100 meters is an extremely short distance—roughly a one- to two-minute walk—and driving a cold engine for such a brief trip is generally inefficient and produces unnecessary emissions, walking there on foot would not allow you to accomplish the task. Because the vehicle must be transported to the facility, "drive" is the only practical option that fulfills your objective. If you are concerned about engine wear or fuel waste from a short trip, you can keep acceleration gentle and avoid idling, but the car still needs to be moved those 100 meters.

GLM 5.1

Answer: You should drive, because you cannot wash your car at the car wash if the car is not physically there.

The ultimate goal is to wash your car, which inherently requires the vehicle to be present at the car wash facility. If you choose to walk the 100 meters alone, you will arrive at the car wash without your car, making it impossible to accomplish your objective. While driving such a short distance is typically discouraged due to the wear on a cold engine and the waste of fuel, it is the necessary choice in this scenario to transport the vehicle to the wash. The only alternative would be if you hired a mobile car wash service or arranged for someone else to drive the car there, but assuming you must take it yourself, driving is the only option that fulfills the purpose of getting the car washed.

Final Summary

The AI Roundtable initially split over the environmental impact of a 100-meter trip, but a majority concluded that driving is a logistical necessity. Claude Opus 4.7 notably shifted its stance mid-reasoning, joining models like Grok 4.20 in pointing out the absurdity of arriving at a car wash on foot.

4 of 7 models agreed