NEW YORK TIMES: … In the 1960s and ’70s, when odometers typically registered no more than 99,999 miles before returning to all zeros, the idea of keeping a car for more than 100,000 miles was the automotive equivalent of driving on thin ice. You could try it, but you’d better be prepared to swim…
Cars that have survived for a million miles or more have been widely documented, of course, but those tend to be exceptional cases. What’s different, and far more common, today are the online classified ads offering secondhand Hondas, Toyotas and Volvos with 150,000 or 200,000 miles — or more — not as parts donors but as vehicles with some useful life left….
“Fifteen years ago, piston rings would show perhaps 50 microns of wear over the useful life of a vehicle,” Mr. Sorab said, referring to the engine part responsible for sealing combustion in the cylinder. “Today, it is less than 10 microns. As a benchmark, a human hair is 200 microns thick…. (more)
