The current highest standard for gasoline engines (introduced in 2020). It’s designed to protect against "low-speed pre-ignition" (LSPI) in modern turbocharged engines. CK-4 / FA-4: Current standards for diesel engines.
Chemically engineered for better stability. It handles extreme heat better, flows better in cold, and lasts longer.
Common in European cars (BMW, VW, Mercedes). Ratings like or C3 indicate specific requirements for high-performance engines or those with advanced exhaust filters. 3. Oil Types: Base Stocks engine oil specs.7z
You’ll see the symbol on bottles that meet GF-6 standards. These oils focus heavily on fuel economy and emission system protection. ACEA (European Automobile Manufacturers' Association):
If your car has over 75,000 miles, look for "High Mileage" versions which contain seal conditioners to prevent leaks. gasoline differences? Chemically engineered for better stability
Many manufacturers have their own "house" specs that go beyond general API or ACEA standards. If you own a European car, look for codes like: BMW Longlife-01 Mercedes-Benz MB 229.5 GM dexos1™ or dexos2™ (common for Chevys and GMCs) Quick Tips for Choosing:
These ratings tell you if the oil meets the latest technological standards for your engine type. Ratings like or C3 indicate specific requirements for
The most common spec is the SAE (Society of Automotive Engineers) grade, like .