Over the past 40-plus years, I have changed the oil in more engines than I can begin to count. If you're about to change the ...

My Audi requires 5W-40 oil. I use Mobil 1, full synthetic. I have some 0W-40 left over from a previous vehicle. If I mix equal parts of 0W-40 and 10W-40, will that make 5W-40? — Ralph Probably. I ...

CARS.COM — Compact car shoppers may not be too happy when their budget-friendly car requires a $40 — or more — oil change. Automakers including Honda and Toyota are almost exclusively switching from ...

In the world of automotive engine oils, 0W-20 is one of the thinnest, though oils as thin as 0W-8 are now used. The 0W stands for 0-weight in winter, and the 20 stands for 20-weight when the oil is ...