Why is the answer graded therefore on whether I took the car or not?

Maybe I wanted to meet a friend there?

GPT-5.4 might even price this in:

> "If somebody asks if they should walk or drive to a car wash 50m away, they probably don't need to actually wash the car there, otherwise the question doesn't make sense, they probably just need to get to that place efficiently. So walking it is."

> If it’s only 50 meters away, walking is probably the better move unless:

* you specifically want the car cleaned immediately after driving, * the weather is awful, * or the wash requires you to stay in the car on a conveyor system.

Walking saves the tiny extra fuel/use, avoids maneuvering for such a short distance, and is usually less hassle than starting the car for a 30-second trip.

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I thought the new models were better than this.