^Bingo. It amazes me every time this question is posed. Not because it's a dumb question, but because who wants to willingly degrade the quality of their car?
Lovingly hand-washed weekly or gas station auto-wash once a month?
Oil change every 6k miles or 60k miles?
Properly inflated tyres or whatever pressure they happen to be at is fine?
There are loads of ways to expedite the wear and tear on your car, over and above the fuel you use. Use you imagination!
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