1989 Subaru GL Oil Type & Capacity: 5W-30 (4.2 quarts)

The 1989 Subaru GL takes 5W-30 motor oil — 4.2 quarts with a filter change, per the factory service manual.

Factory-spec answer

5W-304.2 quarts with filter

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
2D Coupe, 1.8 4, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Coupe, 1.8 4, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Coupe, 1.8 5, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Coupe, 1.8 5, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Hatchback, 1.8 4, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Hatchback, 1.8 4, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
2D Hatchback, 1.8 5 — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Sedan, 1.8 4, 4WD — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Sedan, 1.8 4, FWD, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Sedan, 1.8 4, FWD, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Sedan, 1.8 5, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Sedan, 1.8 5, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Wagon, 1.8 4, 4WD — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Wagon, 1.8 4, FWD, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Wagon, 1.8 4, FWD, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Wagon, 1.8 5, Automatic — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
4D Wagon, 1.8 5, Standard — 1.8L EngAPI - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)4.20 QTS.
📦 DIY Oil Change Kit Builder

Complete Oil Change Bundle for 1989 Subaru GL

Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 4.2 quarts).

Preferred Oil Brand:
Mobil 1 5W-30 Full Synthetic OilExact Spec
5-Quart Jug (4.2 quarts needed)
$27.97Item Link ↗
1989 Subaru GL Premium Synthetic Oil FilterExact Fit
OEM-fitment high-efficiency synthetic filter media (2D Coupe, 1.8 4, Automatic)
$11.99Item Link ↗
Oil Drain Plug Crush Washer Gaskets (5-Pack)Recommended
Direct-fit replacement seal — prevents oil leaks after tightening
$6.99Item Link ↗
15-Quart Low-Profile Drain Pan with Pour SpoutTool
Catch-all basin with anti-splash lip & secure transport cap
$18.99Item Link ↗
RhinoRamps 12,000 lb Drive-Up Vehicle RampsTool
Safe driveway clearance for quick vehicle underbody access
$49.99Item Link ↗
Heavy-Duty Black Nitrile Gloves (Box of 100)PPE
6-mil commercial-grade chemical & oil resistant mechanics gloves
$14.99Item Link ↗
Multi-Angle Spill-Proof Oil Funnel SetTool
Wide-mouth funnel with flexible neck to eliminate engine bay spills
$8.99Item Link ↗
Scott Blue Shop Towels (6-Pack)Supplies
Ultra-absorbent lint-free automotive towels for clean-up
$12.99Item Link ↗
Selected Items: 3 items
$46.95 est. total
🛒Buy Complete DIY Kit on Amazon (~$46.95) →

As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.

Buy the right oil & filter for your GL

🛒 Buy 5W-30 Full Synthetic Oil (4.2 quarts needed) on Amazon

Popular Full Synthetic Brands (5W-30):

Mobil 1Valvoline AdvancedPennzoil PlatinumCastrol EDGE
🔧 1989 Subaru GL Oil Filter on AmazonDrain plug crush washer on Amazon
+ 15 Qt Drain Pan+ Shop Towels (6 pack)+ Nitrile Gloves (100 pk)

As an Amazon Associate we earn from qualifying purchases made through these links.

More factory specs & repair guides for your GL

🛞 1989 Subaru GL Tire Size & Pressure →🌧️ 1989 Subaru GL Wiper Blade Sizes →💡 1989 Subaru GL Light Bulb Sizes →📖 1989 Subaru GL Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Powered by factory manual data from our partner network AllOEMManuals.com.

Coolant capacity

5.8 quarts (5.48 L) — Anti-freeze and Anticorrosive Ethylene-Glycol Coolant

Frequently asked questions

What type of oil does a 1989 Subaru GL take?

The 1989 Subaru GL takes 5W-30 motor oil (API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)), per the factory service manual.

What is the oil capacity of a 1989 Subaru GL?

The 1989 Subaru GL oil capacity is 4.2 quarts with a filter change.

How often should I change the oil in my 1989 Subaru GL?

Most 1989 Subaru GL owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Subaru recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 1989 Subaru GL?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Subaru GL. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Subaru GL years

1988 GL1987 GL1986 GL1985 GL1984 GL1983 GL

Other Subaru models

AscentB9 TribecaBajaBratBRZCrosstrekDLForesterGL-10ImprezaImpreza WRXJustyLegacyLoyaleOutbackRXSubaruSVXTribecaWRXXTXT6XV Crosstrek