1987 GMC Rally Oil Type & Capacity

The 1987 GMC Rally oil type depends on the engine: the G1500, 4.3 Z, Automatic takes 5W-30 (5.0 quarts with filter); the G1500, 4.3 Z, Standard, M64 takes 5W-30 (5.0 quarts with filter); the G1500, 4.3 Z, Standard, MY6 takes 5W-30 (5.0 quarts with filter); the G1500, 5.0 H takes 5W-30 (5.0 quarts with filter); the G1500, 5.7 K takes 5W-30 (5.0 quarts with filter); the G2500, 4.3 Z, Automatic takes 5W-30 (5.0 quarts with filter); the G2500, 4.3 Z, Standard, M64 takes 5W-30 (5.0 quarts with filter); the G2500, 4.3 Z, Standard, MY6 takes 5W-30 (5.0 quarts with filter); the G2500, 5.0 H takes 5W-30 (5.0 quarts with filter); the G2500, 5.7 K takes 5W-30 (5.0 quarts with filter); the G2500, 6.2 C, Automatic takes 10W-30 (7.0 quarts with filter); the G2500, 6.2 C, Standard takes 10W-30 (7.0 quarts with filter); the G3500, 5.7 K, Automatic takes 5W-30 (5.0 quarts with filter); the G3500, 5.7 K, Standard takes 5W-30 (5.0 quarts with filter); the G3500, 6.2 J, 400/M40 takes 10W-30 (7.0 quarts with filter); the G3500, 6.2 J, 475/M40 takes 10W-30 (7.0 quarts 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
G1500, 4.3 Z, Automatic — G1500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G1500, 4.3 Z, Automatic — G1500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G1500, 4.3 Z, Standard, M64 — G1500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G1500, 4.3 Z, Standard, M64 — G1500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G1500, 4.3 Z, Standard, MY6 — G1500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G1500, 4.3 Z, Standard, MY6 — G1500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G1500, 5.0 H — G1500,5.0L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G1500, 5.0 H — G1500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G1500, 5.7 K — G1500,5.7L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G1500, 5.7 K — G1500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 4.3 Z, Automatic — G2500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G2500, 4.3 Z, Automatic — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 4.3 Z, Standard, M64 — G2500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G2500, 4.3 Z, Standard, M64 — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 4.3 Z, Standard, MY6 — G2500,4.3L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G2500, 4.3 Z, Standard, MY6 — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 5.0 H — G2500,5.0L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G2500, 5.0 H — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 5.7 K — G2500,5.7L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G2500, 5.7 K — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 6.2 C, Automatic — G2500,6.2L EngSAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F)6.00 QTS.
G2500, 6.2 C, Automatic — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G2500, 6.2 C, Standard — G2500,6.2L EngSAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F)6.00 QTS.
G2500, 6.2 C, Standard — G2500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G3500, 5.7 K, Automatic — G3500,5.7L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G3500, 5.7 K, Automatic — G3500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G3500, 5.7 K, Standard — G3500,5.7L EngSAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)4.00 QTS.
G3500, 5.7 K, Standard — G3500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G3500, 6.2 J, 400/M40 — G3500,6.2L EngSAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F)6.00 QTS.
G3500, 6.2 J, 400/M40 — G3500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.
G3500, 6.2 J, 475/M40 — G3500,6.2L EngSAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F)6.00 QTS.
G3500, 6.2 J, 475/M40 — G3500SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F)5.00 QTS.

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More specs & repair guides for your Rally

1987 GMC Rally factory service manualAll fluid capacities (transmission, coolant, brakes)

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

Coolant capacity

11.0 quarts (10.4 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.

Frequently asked questions

What type of oil does a 1987 GMC Rally take?

It depends on the engine: G1500, 4.3 Z, Automatic uses 5W-30; G1500, 4.3 Z, Standard, M64 uses 5W-30; G1500, 4.3 Z, Standard, MY6 uses 5W-30; G1500, 5.0 H uses 5W-30; G1500, 5.7 K uses 5W-30; G2500, 4.3 Z, Automatic uses 5W-30; G2500, 4.3 Z, Standard, M64 uses 5W-30; G2500, 4.3 Z, Standard, MY6 uses 5W-30; G2500, 5.0 H uses 5W-30; G2500, 5.7 K uses 5W-30; G2500, 6.2 C, Automatic uses 10W-30; G2500, 6.2 C, Standard uses 10W-30; G3500, 5.7 K, Automatic uses 5W-30; G3500, 5.7 K, Standard uses 5W-30; G3500, 6.2 J, 400/M40 uses 10W-30; G3500, 6.2 J, 475/M40 uses 10W-30.

How much oil does a 1987 GMC Rally take?

Capacity depends on the engine: G1500, 4.3 Z, Automatic holds 5.0 quarts with filter; G1500, 4.3 Z, Standard, M64 holds 5.0 quarts with filter; G1500, 4.3 Z, Standard, MY6 holds 5.0 quarts with filter; G1500, 5.0 H holds 5.0 quarts with filter; G1500, 5.7 K holds 5.0 quarts with filter; G2500, 4.3 Z, Automatic holds 5.0 quarts with filter; G2500, 4.3 Z, Standard, M64 holds 5.0 quarts with filter; G2500, 4.3 Z, Standard, MY6 holds 5.0 quarts with filter; G2500, 5.0 H holds 5.0 quarts with filter; G2500, 5.7 K holds 5.0 quarts with filter; G2500, 6.2 C, Automatic holds 7.0 quarts with filter; G2500, 6.2 C, Standard holds 7.0 quarts with filter; G3500, 5.7 K, Automatic holds 5.0 quarts with filter; G3500, 5.7 K, Standard holds 5.0 quarts with filter; G3500, 6.2 J, 400/M40 holds 7.0 quarts with filter; G3500, 6.2 J, 475/M40 holds 7.0 quarts with filter.

Can I use synthetic oil in my 1987 GMC Rally?

Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1987 GMC Rally. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other GMC Rally years

1996 Rally1995 Rally1994 Rally1993 Rally1992 Rally1991 Rally1990 Rally1989 Rally1988 Rally1986 Rally1985 Rally1984 Rally1983 Rally

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