I want to wash my car. The car wash is 50 meters away. Should I walk or should I drive?

Sonar Pro (changed mind)

Vote: Drive

I am changing my vote from A to B because the other models correctly identified the fundamental flaw in my initial reasoning: the goal is to **wash the car**, which requires physically transporting the car to the car wash 50 meters away. Walking gets me there without the car, leaving the task impossible without additional unmentioned steps like walking back for the car or having someone else drive it[1]. The search result [1] discusses walking vs. driving for a person traveling 100m to a car wash but assumes the car wash visit is for the person (e.g., perhaps self-service or buying something), not explicitly requiring the car to be present. However, standard car washes demand the vehicle be driven there for cleaning, overriding short-distance efficiencies like time or fuel savings. Arguments from Claude Opus 4.6 (car must be physically present) and GPT-5.4 (direct way to bring the car) were most compelling in clarifying this practical necessity, making driving the only logical choice despite the trivial distance.

GPT-5.4

Vote: Drive

I maintain vote B. The key issue is the goal: washing the car, not merely getting myself to the car wash. To complete that task, the car must be physically brought to the facility. Walking there without the car does not accomplish the objective. Sonar Pro’s argument focuses on travel efficiency for a person over 50 meters, which would be relevant if the destination were for me alone. But here the object that needs to arrive is the car. That context outweighs the usual default preference for walking short distances. The other B arguments correctly identify the decisive constraint: the car wash can only wash the car if the car is there. So despite the distance being tiny, driving is still the practical and logically correct choice.

Grok 4.1 Fast

Vote: Drive

I maintain my vote for **B: Drive**. The fundamental goal is to wash the *car*, which requires transporting the vehicle to the car wash 50 meters away. Walking gets *you* there empty-handed, leaving the car behind—rendering the trip pointless without a second trip or assistance, which isn't mentioned. Sonar Pro's A vote overlooks this core logic, fixating on human travel efficiency (e.g., startup time, emissions). While walking *you* might be quicker (~30-60s vs. 1-2min drive), it fails the task entirely. No evidence supports self-service washes without the car present, and 50m is trivial to drive (negligible fuel, <1min). All B voters (GPT-5.4, Claude Opus 4.6, Gemini 3.1 Pro, Kimi K2.5) reinforce this: context trumps distance. Their practical emphasis on 'car must be there' aligns perfectly—no argument swayed me to change, as A ignores the objective. Driving is the efficient, logical solution. Persuade others: prioritize goal completion over irrelevant human-movement optimization.

Claude Opus 4.6

Vote: Drive

I maintain my position: you must drive. The question is "I want to wash my car" — the car needs to physically be at the car wash facility. Walking 50 meters to a car wash without your car is pointless; you'd arrive empty-handed with nothing to wash. Sonar Pro's argument about walking being faster and more fuel-efficient completely misses the point. Yes, walking 50 meters is quicker for *you*, but the goal isn't to get *yourself* to the car wash — it's to get your *car* washed. A car wash washes cars that are driven into the bay. You can't carry your car there on foot. The overwhelming consensus (5 out of 6 models in Round 1) correctly identified this fundamental logical point. The question contains an implicit constraint that makes driving necessary regardless of distance. Even if the car wash were 5 meters away, you'd still need to drive the car there. Drive the car to the car wash. Get it washed. Drive it back. That's the only way to accomplish the stated goal.

Gemini 3.1 Pro

Vote: Drive

I am maintaining my vote for B, and I urge Sonar Pro to reconsider. The goal is to wash your car at the car wash. Sonar Pro's argument for walking completely misses the central logical trick of this scenario: if you walk to the car wash, you leave the car behind, making it impossible to wash it. As GPT-5.4, Claude Opus 4.6, Grok, and Kimi correctly identified, the vehicle must physically be present at the facility to be cleaned. While walking 50 meters is obviously better for you under normal circumstances, you cannot wash a car that isn't there. Therefore, despite the exceptionally short distance, you must drive the car to bring it to the wash.

Kimi K2.5

Vote: Drive

Walking to the car wash leaves your vehicle at home, making it impossible to accomplish your stated goal of washing the car. The objective requires the physical transportation of the car itself to the facility. While 50 meters is indeed a walkable distance for a person, this is not a trip about personal convenience or exercise—it is about moving a 1-2 ton object that cannot walk itself. Driving is therefore the only viable method to position the car where the washing equipment can access it. The argument for walking mistakenly treats this as a commute about the driver rather than a logistics task about the vehicle. Without driving, you would need a second trip to retrieve the car, or assistance from others, adding unnecessary complication. Driving directly accomplishes the goal in a single, efficient action despite the short distance.

Final Summary

The AI Roundtable initially faced a lone dissenter in Sonar Pro, who argued that walking 50 meters was the peak of efficiency for any human trip. However, the majority—led by Claude Opus 4.6 and GPT-5.4—pointed out the glaring logistical flaw: a car wash generally requires the presence of a car. Once Sonar Pro realized that walking would leave the vehicle stranded at home, the group reached a unanimous consensus that driving is the only way to actually wash a car.

All 6 models agreed on "Drive" after discussion

Strongest Arguments

• Walk: Walking 50 meters takes only 30-60 seconds and avoids the fuel, emissions, and startup time associated with driving a short distance.
• Drive: The primary goal is to wash the car, and since a car cannot walk, it must be driven to the facility to be physically present for the service.

Key Turning Points

• Sonar Pro initially voted to walk based on human travel efficiency for short distances.
• Claude Opus 4.6 and GPT-5.4 highlighted the absurdity of arriving at a car wash without a car.
• Sonar Pro changed its vote in Round 2, acknowledging that the car's physical presence is a non-negotiable requirement for the task.