Quick Summary
Looking for the correct oil type for your 1980 Buick REGAL? According to factory specs, the 3.8L 6 -cyl Engine Code [3] 3 Turbo requires 10W-30 viscosity oil. Using the right oil capacity of 5.0 QUARTS ensures engine longevity and fuel efficiency.
๐ข๏ธ 3.8L 6 -cyl Engine Code [3] 3 Turbo Most Common ๐ TURBO
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
๐ข๏ธ 3.8L 6 -cyl Engine Code [A] A
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
๐ข๏ธ 4.3L 8 -cyl Engine Code [S] S
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
๐ข๏ธ 4.9L 8 -cyl Engine Code [W] W
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
๐ข๏ธ 5.0L 8 -cyl Engine Code [H] H
Verified Data
Capacity
5.0 QUART
Viscosity
10W-30
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Recommended Maintenance Products
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Motor Oil
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Oil Filter
OEM or premium aftermarket options
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Drain Plug Gasket
Replace every oil change - don't reuse!
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Oil Drain Pan
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Funnel Set
No-spill oil pouring
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Mechanic Gloves
Keep your hands clean
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Common Trouble Codes for 1980 Buick REGAL
Get vehicle-specific repair guides for these codes