1994 Buick Skylark Oil Type & Capacity
The 1994 Buick Skylark takes 5W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Custom, 2D Coupe, 2.3 3 | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Custom, 2D Coupe, 3.1 M | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Custom, 4D Sedan, 2.3 3 | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Custom, 4D Sedan, 3.1 M | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Gran Sport, 2D Coupe | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Gran Sport, 4D Sedan | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Limited, 2.3 3 | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
| Limited, 3.1 M | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.50 QTS. | 4.00 QTS. | — |
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More specs & repair guides for your Skylark
1994 Buick Skylark factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.4 quarts (9.84 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1994 Buick Skylark take?
The 1994 Buick Skylark takes 5W-30 motor oil (API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
How much oil does a 1994 Buick Skylark take?
The 1994 Buick Skylark holds 4.5 quarts with a filter change, or 4.0 quarts without changing the filter.
Can I use synthetic oil in my 1994 Buick Skylark?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1994 Buick Skylark. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.