1991 Ford Ranger Oil Type & Capacity: 10W-30 (5.0 quarts)

The 1991 Ford Ranger takes 10W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.

Factory-spec answer

10W-30 — 5.0 quarts with filter

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Oil capacity by engine

Engine	Oil Type (viscosity)	Capacity w/ Filter	Capacity w/o Filter	Notes
2D Pickup Extra Cab, 2.3 A	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 2.9 T, 4WD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 2.9 T, 4WD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 2.9 T, RWD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 2.9 T, RWD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 3.0 U, 4WD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 3.0 U, 4WD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 3.0 U, RWD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 3.0 U, RWD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 4.0 X, 4WD	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup Extra Cab, 4.0 X, RWD	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.3 A, 4WD	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.3 A, RWD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.3 A, RWD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.9 T, 4WD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.9 T, 4WD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.9 T, RWD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 2.9 T, RWD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 3.0 U, 4WD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 3.0 U, 4WD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 3.0 U, RWD, Automatic	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 3.0 U, RWD, Standard	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 4.0 X, 4WD	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—
2D Pickup, 4.0 X, RWD	SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium	5.00 QTS.	—	—

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Preferred Oil Brand:

Mobil 1 10W-30 Full Synthetic OilExact Spec

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OEM-fitment high-efficiency synthetic filter media (2D Pickup Extra Cab, 2.3 A)

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Heavy-Duty Black Nitrile Gloves (Box of 100)PPE

6-mil commercial-grade chemical & oil resistant mechanics gloves

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Wide-mouth funnel with flexible neck to eliminate engine bay spills

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Selected Items: 3 items

$46.95 est. total

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More factory specs & repair guides for your Ranger

🛞 1991 Ford Ranger Tire Size & Pressure →🌧️ 1991 Ford Ranger Wiper Blade Sizes →💡 1991 Ford Ranger Light Bulb Sizes →📖 1991 Ford Ranger Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

Coolant capacity

7.2 quarts (6.81 L) — 50/50 mixture of FORD Premium Cooling System Fluid and water

Frequently asked questions

What type of oil does a 1991 Ford Ranger take?

The 1991 Ford Ranger takes 10W-30 motor oil (SAE 10W-30/40 (0Deg.F to 100Deg.F), 20W-40/50 (20Deg.F to Above 100Deg.F). SAE 30 Single Weight Super Duty, 10W-40 Super Premium, 20W-40 Premium), per the factory service manual.

What is the oil capacity of a 1991 Ford Ranger?

The 1991 Ford Ranger oil capacity is 5.0 quarts with a filter change.

How often should I change the oil in my 1991 Ford Ranger?

Most 1991 Ford Ranger 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 — Ford recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 1991 Ford Ranger?

Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Ford Ranger. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.