1991 Mitsubishi Galant Oil Type & Capacity

The 1991 Mitsubishi Galant oil type depends on the engine: the Base, Automatic, F4A22 takes 20W-20 (3.92 quarts with filter); the Base, Automatic, KM175 takes 20W-20 (3.92 quarts with filter); the Base, Standard takes 20W-20 (3.92 quarts with filter); the GS, Automatic takes 20W-20 (4.42 quarts with filter); the GS, Standard takes 20W-20 (4.42 quarts with filter); the GSR takes 20W-20 (4.42 quarts with filter); the GSX takes 20W-20 (4.42 quarts with filter); the LS, F4A22 takes 20W-20 (3.92 quarts with filter); the LS, KM175 takes 20W-20 (3.92 quarts with filter); the VR4 takes 20W-20 (4.42 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
Base, Automatic, F4A22 — O.H.C.- SOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)3.92 QTS.3.50 QTS.
Base, Automatic, KM175 — O.H.C.- SOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)3.92 QTS.3.50 QTS.
Base, Standard — O.H.C.- SOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)3.92 QTS.3.50 QTS.
GS, Automatic — O.H.C.- DOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)4.42 QTS.4.00 QTS.
GS, Standard — O.H.C.- DOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)4.42 QTS.4.00 QTS.
GSR — O.H.C.- DOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)4.42 QTS.4.00 QTS.
GSX — O.H.C.- DOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)4.42 QTS.4.00 QTS.
LS, F4A22 — O.H.C.- SOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)3.92 QTS.3.50 QTS.
LS, KM175 — O.H.C.- SOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)3.92 QTS.3.50 QTS.
VR4 — O.H.C.- DOHCAPI - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F)4.42 QTS.4.00 QTS.

Buy the right oil

Buy 20W-20 motor oil on Amazon1991 Mitsubishi Galant oil filter on Amazon

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

More specs & repair guides for your Galant

1991 Mitsubishi Galant factory service manualAll fluid capacities (transmission, coolant, brakes)

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

Coolant capacity

7.6 quarts (7.19 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Includes: .7 qt. in reserve tank.

Frequently asked questions

What type of oil does a 1991 Mitsubishi Galant take?

It depends on the engine: Base, Automatic, F4A22 uses 20W-20; Base, Automatic, KM175 uses 20W-20; Base, Standard uses 20W-20; GS, Automatic uses 20W-20; GS, Standard uses 20W-20; GSR uses 20W-20; GSX uses 20W-20; LS, F4A22 uses 20W-20; LS, KM175 uses 20W-20; VR4 uses 20W-20.

How much oil does a 1991 Mitsubishi Galant take?

Capacity depends on the engine: Base, Automatic, F4A22 holds 3.92 quarts with filter; Base, Automatic, KM175 holds 3.92 quarts with filter; Base, Standard holds 3.92 quarts with filter; GS, Automatic holds 4.42 quarts with filter; GS, Standard holds 4.42 quarts with filter; GSR holds 4.42 quarts with filter; GSX holds 4.42 quarts with filter; LS, F4A22 holds 3.92 quarts with filter; LS, KM175 holds 3.92 quarts with filter; VR4 holds 4.42 quarts with filter.

Can I use synthetic oil in my 1991 Mitsubishi Galant?

Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Mitsubishi Galant. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Mitsubishi Galant years

2012 Galant2011 Galant2010 Galant2009 Galant2008 Galant2007 Galant2006 Galant2005 Galant2004 Galant2003 Galant2002 Galant2001 Galant2000 Galant1999 Galant1998 Galant1997 Galant1996 Galant1995 Galant1994 Galant1993 Galant1992 Galant1990 Galant1989 Galant1987 Galant1986 Galant1985 Galant

Other Mitsubishi models

3000GTCordiaDiamanteEclipseEclipse CrossEndeavorExpoGalant SigmaLancerMirageMirage G4MonteroMontero SportOutlanderOutlander PHEVOutlander SportPickupPrecisRaiderRVRSigmaStarionTrediaVan