90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Engine Oil: Fluid Type Specifications
Engine Oil
Type .................................................................................................................................................................................................................................. SG
Above 68°F (20°C) ............................................................................................................................................................................................................ 40
32° to 86°F (0° to 30°C) .................................................................................................................................................................................................... 30
Above 14°F (-10°C) ................................................................................................................................................................................... 20W-40, 20W-50
14° to 50°F (-10° to 10°C) ........................................................................................................................................................................................ 20W-20
Below 25°F (-4°C) ......................................................................................................................................................................................................... 10W
Above 5°F (-15°C) ..................................................................................................................................................................................... 15W-40, 15W-50
0° to 60°F (-18° to 16°C); 1989-92 ............................................................................................................................................................ 10W-30, 10W-40
5° to 80°F (-15° to 25°C); 1993-94 ............................................................................................................................................................ 10W-30, 10W-40
Below 14°F (-10°C); 1989-92 ...................................................................................................................................................................... 5W-20*, 5W-30
Below 80°F (25°C); 1993-94 ...................................................................................................................................................................................... 5W-30
*5W-20 not recommended for 1992 models.