Given all the options for motor oil options out there ... The owner's manual for your car will list its recommended oil weight, whether that's a standard format like 10W-30 or something more ...

It is more expensive than other products on our list, but it’s one of the most popular and highly rated synthetic oils available. If you have a diesel engine and want a synthetic oil option ...

Without proper lubrication, all car engines are at risk of wearing down and breaking. Like many products on this list, Sgt. P Motor Oil does not meet the bare minimum to protect your engine.

For an engine to work efficiently (or work at all, for that matter), one factor ... It also performed well in our ranked list of popular diesel oil brands. The company might not have a long ...

AMSOIL's lineup of all-synthetic motor oils now goes above and beyond ... products under their own label. While other oil brands on this list are well known, Royal Purple is one that's always ...

As anyone who's stared blankly at aisles of oils can attest, engine oil is not a one-size-fits-all thing. Besides the different brands available, there are also various oil weights, as well as oil ...

The base of nearly all motor oils is refined crude oil ... Do not use in modern vehicles Your vehicle's owner's manual will list what category the manufacturer recommends, but you can use one ...

Engines need motor oil to run smoothly. It lubricates moving parts, reduces friction, minimizes wear, regulates engine temperature... it even helps keep the engine clean. That's why it's so ...

Pull the dipstick out from the engine and wipe any oil off from its end. Then insert the dipstick back into its tube and push it all the way back in. The dipstick shows the oil is just a little ...

Engine performance is essential ... to select the right diesel-specific oil that’ll give your vehicle’s heart a long, healthy life. Of course, not all diesel oil is alike.