1991 Chevrolet S10 Pickup Oil Type & Capacity

The 1991 Chevrolet S10 Pickup oil type depends on the engine: the 2D Pickup Extra Cab, 2.5 A, Automatic, 4L60/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.5 A, Automatic, 700R4/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.5 A, Standard takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.5 E, Automatic, 4L60/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.5 E, Automatic, 700R4/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.5 E, Standard takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup Extra Cab, 2.8 R takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 4L60/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 700R4/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, 4WD, Standard takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 4L60/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 700R4/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup Extra Cab, 4.3 Z, RWD, Standard takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 2.5 A, Automatic, 4L60/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.5 A, Automatic, 700R4/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.5 A, Standard takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.5 E, Automatic, 4L60/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.5 E, Automatic, 700R4/MD8 takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.5 E, Standard takes 5W-30 (3.5 quarts qt with filter); the 2D Pickup, 2.8 R takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, 4WD, Automatic, 4L60/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, 4WD, Automatic, 700R4/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, 4WD, Standard takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, RWD, Automatic, 4L60/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, RWD, Automatic, 700R4/MD8 takes 5W-30 (4.5 quarts qt with filter); the 2D Pickup, 4.3 Z, RWD, Standard takes 5W-30 (4.5 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
2D Pickup Extra Cab, 2.5 A, Automatic, 4L60/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.5 A, Automatic, 700R4/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.5 A, Standard — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.5 E, Automatic, 4L60/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.5 E, Automatic, 700R4/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.5 E, Standard — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 2.8 R — 2.8L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 4L60/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 700R4/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, 4WD, Standard — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 4L60/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 700R4/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup Extra Cab, 4.3 Z, RWD, Standard — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 A, Automatic, 4L60/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 A, Automatic, 700R4/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 A, Standard — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 E, Automatic, 4L60/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 E, Automatic, 700R4/MD8 — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.5 E, Standard — 2.5L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)3.50 QTS.3.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 2.8 R — 2.8L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, 4WD, Automatic, 4L60/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, 4WD, Automatic, 700R4/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, 4WD, Standard — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, RWD, Automatic, 4L60/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, RWD, Automatic, 700R4/MD8 — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
2D Pickup, 4.3 Z, RWD, Standard — 4.3L EngSAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F)4.50 QTS.4.00 QTS.Use oil that has been certified by the American Petroleum Institute.
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More factory specs & repair guides for your S10 Pickup

🛞 1991 Chevrolet S10 Pickup Tire Size & Pressure →🌧️ 1991 Chevrolet S10 Pickup Wiper Blade Sizes →💡 1991 Chevrolet S10 Pickup Light Bulb Sizes →📖 1991 Chevrolet S10 Pickup Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

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

Coolant capacity

11.5 quarts (10.88 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.

Frequently asked questions

What type of oil does a 1991 Chevrolet S10 Pickup take?

It depends on the engine: 2D Pickup Extra Cab, 2.5 A, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup Extra Cab, 2.5 A, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup Extra Cab, 2.5 A, Standard uses 5W-30; 2D Pickup Extra Cab, 2.5 E, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup Extra Cab, 2.5 E, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup Extra Cab, 2.5 E, Standard uses 5W-30; 2D Pickup Extra Cab, 2.8 R uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, 4WD, Standard uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup Extra Cab, 4.3 Z, RWD, Standard uses 5W-30; 2D Pickup, 2.5 A, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup, 2.5 A, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup, 2.5 A, Standard uses 5W-30; 2D Pickup, 2.5 E, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup, 2.5 E, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup, 2.5 E, Standard uses 5W-30; 2D Pickup, 2.8 R uses 5W-30; 2D Pickup, 4.3 Z, 4WD, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup, 4.3 Z, 4WD, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup, 4.3 Z, 4WD, Standard uses 5W-30; 2D Pickup, 4.3 Z, RWD, Automatic, 4L60/MD8 uses 5W-30; 2D Pickup, 4.3 Z, RWD, Automatic, 700R4/MD8 uses 5W-30; 2D Pickup, 4.3 Z, RWD, Standard uses 5W-30.

What is the oil capacity of a 1991 Chevrolet S10 Pickup?

Oil capacity depends on the engine: 2D Pickup Extra Cab, 2.5 A, Automatic, 4L60/MD8 holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.5 A, Automatic, 700R4/MD8 holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.5 A, Standard holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.5 E, Automatic, 4L60/MD8 holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.5 E, Automatic, 700R4/MD8 holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.5 E, Standard holds 3.5 quarts with filter; 2D Pickup Extra Cab, 2.8 R holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 4L60/MD8 holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, 4WD, Automatic, 700R4/MD8 holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, 4WD, Standard holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 4L60/MD8 holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, RWD, Automatic, 700R4/MD8 holds 4.5 quarts with filter; 2D Pickup Extra Cab, 4.3 Z, RWD, Standard holds 4.5 quarts with filter; 2D Pickup, 2.5 A, Automatic, 4L60/MD8 holds 3.5 quarts with filter; 2D Pickup, 2.5 A, Automatic, 700R4/MD8 holds 3.5 quarts with filter; 2D Pickup, 2.5 A, Standard holds 3.5 quarts with filter; 2D Pickup, 2.5 E, Automatic, 4L60/MD8 holds 3.5 quarts with filter; 2D Pickup, 2.5 E, Automatic, 700R4/MD8 holds 3.5 quarts with filter; 2D Pickup, 2.5 E, Standard holds 3.5 quarts with filter; 2D Pickup, 2.8 R holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, 4WD, Automatic, 4L60/MD8 holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, 4WD, Automatic, 700R4/MD8 holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, 4WD, Standard holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, RWD, Automatic, 4L60/MD8 holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, RWD, Automatic, 700R4/MD8 holds 4.5 quarts with filter; 2D Pickup, 4.3 Z, RWD, Standard holds 4.5 quarts with filter.

How often should I change the oil in my 1991 Chevrolet S10 Pickup?

Most 1991 Chevrolet S10 Pickup 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 — Chevrolet recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 1991 Chevrolet S10 Pickup?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Chevrolet S10 Pickup. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Chevrolet S10 Pickup years

2004 S10 Pickup2003 S10 Pickup2002 S10 Pickup2001 S10 Pickup2000 S10 Pickup1999 S10 Pickup1998 S10 Pickup1997 S10 Pickup1996 S10 Pickup1995 S10 Pickup1994 S10 Pickup1993 S10 Pickup1992 S10 Pickup1990 S10 Pickup1989 S10 Pickup1988 S10 Pickup1987 S10 Pickup1986 S10 Pickup1985 S10 Pickup1984 S10 Pickup1983 S10 Pickup

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