Best conventional engine oil: Castrol GTX: Conventional: 1 quart/5 quart: $5-$19: ... Once again, going with the manufacturer's recommended oil change intervals is always your safest bet.

Learn what the "E" in engine oil means, ... I n the era of quick-change oil shops, ... Castrol Technical Services Specialist Ron Azzopardi appeared on the Mechanic YouTube channel and listed the ...

With so many options for motor oil, ... Castrol Castrol 03093 GTX 10W-30 Motor Oil, 5 Quart. Now 13% Off. ... If your car has an electronic oil-change indicator on its instrument cluster, ...

So with all the advantages offered by Castrol EDGE High Mileage, it didn't take the Roadkill guys long to decide this was a solid choice for Bro-Charger engine oil.

It's why most high-mileage motor oils (like Castrol EDGE High Mileage 5W-30 or Pennzoil Platinum High Mileage 5W-30) claim to last 15,000 miles or one year between oil changes.

If your car has over 100,000 miles, it’s time for high-mileage engine oil, and our top pick is Castrol GTX full synthetic oil.

According to AAA, most automakers now recommend oil change intervals between 5,000 and 7,500 miles for vehicles using conventional oil. If your car requires full-synthetic motor oil, that range ...