Ask several different people, and you’ll get different answers about how often oil should be changed. Some suggest every 3,000 to 5,000 miles. Others say that one can drive between 7,500 and 10,000 ...

If you own a diesel car, you'd probably know that getting its oil changed isn't as quick or affordable as getting the oil changed on your friend's gasoline car or the one you've owned before. It is a ...

For decades, the golden rule of engine care has been pretty simple — change the engine oil every 3,000 miles. It's one of those maintenance mantras so ingrained in practice that most drivers never ...