Synthetic engine oil typically costs 2 to 4 times as much as conventional mineral oil, but it is definitely cheaper than an engine or a vehicle. The US military exclusively uses synthetic oil in all ...

Under “normal” driving conditions, synthetic oil can go 10,000 to 15,000 miles, or six to 12 months, between changes. Follow ...

There’s no NASCAR, 1967 Ferrari F312, Porsche 911, or even your daily driver Hyundai Sonata without oil. Whether conventional or synthetic, engine oil is the lifeblood of your vehicle. Back to oil, ...

Oil is one of the most important consumables for a vehicle, and there are two main types of engine oil: conventional and synthetic. Each type of oil is made differently, wherein conventional oil is a ...

Aside from diesel fuel, engine oil might be the most critical fluid in a truck because it influences two of the top three equipment-related costs for fleets: fuel and maintenance. And with various ...

I am an old geezer who probably has lived through 100 or more oil changes in my lifetime, always using regular motor oil. Now I own a 2014 Honda CR-V that I bought used with about 10,000 miles on it, ...

Q: I have a 1994 Toyota Celica and have always used conventional oil. Should/can I change to synthetic? Can I mix the two? Car Doctor: How to spot a 'flood' car before you buy Car Doctor: Can you give ...

Keeping your engine well-oiled is one of the most important aspects of car maintenance. There are a number of different motor oils out there, each with a specific classification designated by the ...

Q: I have a 2008 Toyota Highlander V6-powered limited edition with 74,000 miles, which runs great. Can I switch to synthetic oil if I had used conventional oil since the car was new? Is there an ...