1985 Buick Riviera Oil Capacity, Types, & Filters
Your essential guide to 1985 Buick Riviera oil change is here! No more searching – find all the critical oil specs for your 1985 Buick Riviera, including oil capacity, recommended oil viscosity (type), and the correct oil filter.
We cover all engine options, categorized by their specific engine codes, ensuring you get the right information for your specific configuration. Keep reading to discover everything you need for your next 1985 Buick Riviera oil change!
Scroll Table ➜
| Engine & Code | Oil Capacity | Oil Viscosity/Type | Oil Filter |
|---|---|---|---|
| 3.8L 6-cylinder [9] 9 Turbo | 4.5 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 15W-40 (Above -12°C) SAE 20W-20 (Above -7°C) 30 (Above 4°C) SAE 5W-30 (Below 16°C) | GM 12731179 |
| 5.0L 8-cylinder [Y] Y | 4.5 quarts (with filter) | SAE 10W-30 (Above -18°C) SAE 15W-40 (Above -12°C) SAE 20W-20 (Above -7°C) 30 (Above 4°C) SAE 5W-30 (Below 16°C) | GM 12731179 |
| 5.7L 8-cylinder [N] N Diesel | 7 quarts (with filter) | SAE 10W-30 (Below 16°C) SAE 15W-40 (-18 To 16°C) 30 (Above 0°C) | GM 12731179 |
Select Your 1985 Buick Riviera Engine Option
3.8L 6-cylinder Engine Code [9] 9 Turbo
Engine:
3.8L 6-cylinder [9] 9 Turbo [aka 3.8L V6 (Gas)]
Body & Trims:
Base, Luxury, T-Type
Oil Capacity:
4.5 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
OEM Oil Filter:
Oil Filter Replaces:
12576499, 19210285, 19256044, 25010324, 25014377, 6437462, 89017342
1985 Buick Riviera 3.8L 6-cylinder [9] 9 Turbo oil change details
Oil Grade:
API*
Oil Capacity:
4.5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C) - SAE 10W-30 is preferred.
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
Oil Drain Plug Torque:
30 ft/lbs (Oil Drain Plug)
Notes:
N/A
5.0L 8-cylinder Engine Code [Y] Y
Engine:
5.0L 8-cylinder [Y] Y [aka 5.0L V8 (Gas)]
Body & Trims:
Base, Luxury, T-Type
Oil Capacity:
4.5 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C)
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
OEM Oil Filter:
Oil Filter Replaces:
12576499, 19210285, 19256044, 25010324, 25014377, 6437462, 89017342
1985 Buick Riviera 5.0L 8-cylinder [Y] Y oil change details
Oil Grade:
API*
Oil Capacity:
4.5 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (Above -18°C) - SAE 10W-30 is preferred.
SAE 15W-40 (Above -12°C)
SAE 20W-20 (Above -7°C)
30 (Above 4°C)
SAE 5W-30 (Below 16°C)
Oil Drain Plug Torque:
30 ft/lbs (Oil Drain Plug)
Notes:
N/A
5.7L 8-cylinder Engine Code [N] N Diesel
Engine:
5.7L 8-cylinder [N] N Diesel [aka 5.7L V8 (Diesel)]
Body & Trims:
Base, Luxury, T-Type
Oil Capacity:
7 quarts (with filter)
Oil Viscosity/Type:
SAE 10W-30 (Below 16°C)
SAE 15W-40 (-18 To 16°C)
30 (Above 0°C)
OEM Oil Filter:
Oil Filter Replaces:
12576499, 19210285, 19256044, 25010324, 25014377, 6437462, 89017342
1985 Buick Riviera 5.7L 8-cylinder [N] N Diesel oil change details
Oil Grade:
CF
Oil Capacity:
7 quarts. (with filter). This is the capacity with the oil filter installed. Always check the oil level after refilling.
Oil Viscosity/Type:
SAE 10W-30 (Below 16°C)
SAE 15W-40 (-18 To 16°C)
30 (Above 0°C) - This is the preferred choice for continuous, long-distance driving.
Oil Drain Plug Torque:
30 ft/lbs (Oil Drain Plug)
Notes:
N/A