> The same 100k mile car driven in a leafy suburb where not much goes on is going to be different from a car with the same mileage driven under harsher conditio

> The same 100k mile car driven in a leafy suburb where not much goes on is going to be different from a car with the same mileage driven under harsher conditions. Scotty Killer on YouTube said something slightly different. He said highway miles are almost one tenth of city miles. Or in other words, stop and go traffic is ten times as bad as constant driving without traffic. At least for the engine and the transmission I guess.