> First, almost all renters avoid abusing a rental car because they don't want to get charged for any damage.
What about constantly redlining the engine? That will put a disproportionate amount of wear on the engine for the miles driven, but won't cause any immediately-visible damage.
Redlining while in Drive in automatic transmission means driver is driving over the speed limit or doing rash driving; which millions of car owners too do that. Although in both cases it never near red line in automatic transmission cars.
Redlining while parked or neutral is absurd. Who will rent car just to rev it up. & For how much time? Few minutes? Hours? People will be looking at this person who is redlining a car since last few hours.
I've never known a single person to do this. I hear it mentioned a lot, but no one ever knows anyone directly who's done it. Always "my cousin's ex's brother in law did it once."
Guys in our area of London every summer would routinely rent reasonably upmarket cars, new BMWs, Mercs, etc. for a few weeks and not just use them to accelerate hard around the roads (though they did) but sit there, out of gear and just floor it for dozens of seconds at a time.
I personally do drive rentals to the max safe performance they will give me, which is more like what the description was about, in any case.
What about constantly redlining the engine? That will put a disproportionate amount of wear on the engine for the miles driven, but won't cause any immediately-visible damage.