It's surprisingly easy to stick to motor oil options that are manufactured in the United States. Plenty of reputable brands ...

Castrol's focus — at least in its marketing — is on making a motor oil that's designed primarily to fight the buildup of sludge in an engine. To that end, its GTX Full Synthetic is reportedly ...

If you’ve got a more modern car, feed it synthetic motor oil for its entire life to avoid issues with its more complex engine down the line. You can choose between Castrol EDGE and GTX Full ...

We earn commissions from purchases you make using links in our articles. Learn more. Save time and money by changing your own oil. See the best conventional motor oils here. Shopping for engine ...

Castrol and RFK Racing co-owner Brad Keselowski unveil new No. 6 Ford design underscoring Castrol's superiority in motor oil performance ... Protection" (GTX Full Synthetic) across seven critical ...

I personally prefer Motul 10W40 or 10W50 Synthetic engine oil with Castrol 85W90 Gear oil. It runs smoothly and the instant pickup feels in hand. TVS has it's own brand TVS STRU4 Engine Oil which ...

Let’s explain all of those confusing numbers, letters and terms to help you choose the right oil for your car.