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GMC C2500 Sierra MPG

EPA fuel economy for 46 GMC C2500 Sierra trims sold from 1989 to 1992. Best ever: 19 MPG (1992 C2500 Sierra 2WD). Latest model year 1992: 13 to 19 MPG combined across 10 trims.

19best combined MPG (1992)
17 / 22city / highway of the best trim
12lowest combined MPG (1990)
4model years rated
$3,670a year to fuel, cheapest 1992 trim at EPA prices

GMC C2500 Sierra fuel cost calculator

Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.

At $4.16 a gallon for regular, $5.98 for diesel and 15,000 miles a year, the cheapest 1992 GMC C2500 Sierra to fuel is the C2500 Sierra 2WD, 4.3 L, 6 cyl (17 MPG) at $3,670 a year. The C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel (18 MPG) costs $4,980, so the thriftier trim saves $1,310 a year and $6,550 over five years.

1992 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular17$3,670cheapest
C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular16$3,900+$230
C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular16$3,900+$230
C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular15$4,160+$490
C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular14$4,460+$790
C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular14$4,460+$790
C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular14$4,460+$790
C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 5-spdRWDDiesel19$4,720+$1,050
C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular13$4,800+$1,130
C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel18$4,980+$1,310

Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.

GMC C2500 Sierra MPG by year

YearBest combinedCityHwyBest trim that yearTrims
1992191722C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel, Manual 5-spd10
1991191722C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel, Manual 5-spd13
1990181522C2500 Sierra 2WD, 4.3 L, 6 cyl, Manual 5-spd11
1989191623C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel, Auto 4-spd12

Every GMC C2500 Sierra trim

YearTrimEngineTransmissionDriveFuelCityHwyCombCO2 g/miFuel cost/yr
1992C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 5-spdRWDDiesel172219536$4,720
1992C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152218566$4,980
1992C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152017523$3,670
1992C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152016555$3,900
1992C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152016555$3,900
1992C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular131815592$4,160
1992C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular131714635$4,460
1992C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular131714635$4,460
1992C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular121714635$4,460
1992C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121613684$4,800
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 5-spdRWDDiesel172219536$4,720
1991C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular151817523$3,670
1991C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152117523$3,670
1991C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152017523$3,670
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152017599$5,280
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel171917599$5,280
1991C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152016555$3,900
1991C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular141815592$4,160
1991C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular131714635$4,460
1991C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular121714635$4,460
1991C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular121714635$4,460
1991C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121413684$4,800
1991C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111613684$4,800
1990C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152218494$3,470
1990C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152017599$5,280
1990C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel161817599$5,280
1990C2500 Sierra 2WD4.3 L, 6 cylAuto 3-spdRWDRegular151615592$4,160
1990C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular141715592$4,160
1990C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular141715592$4,160
1990C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular141815592$4,160
1990C2500 Sierra 2WD5.0 L, 8 cylAuto 3-spdRWDRegular131413684$4,800
1990C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular121613684$4,800
1990C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111713684$4,800
1990C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular111312741$5,200
1989C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel162319536$4,720
1989C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152218494$3,470
1989C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152017523$3,670
1989C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel161716636$5,610
1989C2500 Sierra 2WD4.3 L, 6 cylAuto 3-spdRWDRegular151615592$4,160
1989C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular141715592$4,160
1989C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular141815592$4,160
1989C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular131915592$4,160
1989C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular131815592$4,160
1989C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121514635$4,460
1989C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111713684$4,800
1989C2500 Sierra 2WD5.0 L, 8 cylAuto 3-spdRWDRegular121212741$5,200

CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).

Compare with other 1992 Standard Pickup Trucks

VehicleCombinedCityHwy
1992 Mazda B2200/B2600i222124
1992 Dodge Dakota Pickup 2WD211924
1992 Toyota Truck 2WD211924
1992 Chevrolet C1500 Pickup 2WD201823
1992 GMC Sierra 1500 2WD201823
1992 Jeep Comanche Pickup 2WD201822

All Standard Pickup Trucks ranked by MPG

Questions people ask

What is the best MPG for a GMC C2500 Sierra?

The most efficient GMC C2500 Sierra the EPA has rated is the 1992 C2500 Sierra 2WD at 19 MPG combined (17 city, 22 highway).

What MPG does the 1992 GMC C2500 Sierra get?

1992 GMC C2500 Sierra trims range from 13 to 19 MPG combined, depending on engine, transmission and drivetrain.

Which GMC C2500 Sierra has the worst fuel economy?

The 1990 C2500 Sierra 2WD is the lowest rated at 12 MPG combined.

How much does it cost to fuel a GMC C2500 Sierra for a year?

At $4.16 a gallon for regular, $5.98 for diesel and 15,000 miles a year, the cheapest 1992 GMC C2500 Sierra to fuel is the C2500 Sierra 2WD, 4.3 L, 6 cyl (17 MPG) at $3,670 a year. The C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel (18 MPG) costs $4,980, so the thriftier trim saves $1,310 a year and $6,550 over five years.

More from GMC: every GMC model. Fuel types on this model: Diesel, Regular. EPA classes: Standard Pickup Trucks.