Engine Oil: Specs.7z

If your car has over 75,000 miles, look for "High Mileage" versions which contain seal conditioners to prevent leaks. gasoline differences?

A mix of both. It offers better protection than conventional but at a lower price point than full synthetic. 4. OEM Approvals (Manufacturer Specs) engine oil specs.7z

This represents the oil's resistance to flow at operating temperature (212°F / 100°C). A higher number means a "thicker" oil film, which provides more protection for hard-working or older engines. 2. Performance Categories (The Letters) If your car has over 75,000 miles, look

Chemically engineered for better stability. It handles extreme heat better, flows better in cold, and lasts longer. It offers better protection than conventional but at

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:

Always prioritize what the manufacturer recommends. Using the wrong viscosity can lead to poor fuel economy or engine wear.

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