Classify oils according to ACEA

Released in January 1996.

Determine the lowest quality level for service oil.

Facilitate the quality announcement of the ACEA Association Under review every two years

A1: Fuel economy for gasoline engines
A2: Standard performance (currently discontinued)
A3: High performance or higher mileage used.
A4: Future contingencies for some direct injection gasoline engines.
A5: Combining fuel efficiency of A1 and high performance of A3.
B1: Saving fuel for diesel engine.
B2: Standard performance (currently discontinued).
B3: High performance or higher mileage used.
B4: Used for direct injection diesel engine.
B5: Combine the fuel economy of B1 and high performance of B3 / B4.
C1-04: For light petrol and diesel engines, based on low A5 / B5-04 and SAPS, two-way catalytic compatibility.
C2-04: For light petrol and diesel engines, based on average A5 / B5-04 and SAPS, two-way catalytic compatibility.
C3-04: Used for light petrol and diesel engines, based on average A5 / B5-04 and SAPS, bidirectional catalyst compatible, Higher performance thanks to high HTHS.