MPG Atlas

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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
$3,950a 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 $4.48 a gallon for regular, $6.38 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 $3,950 a year. The C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel (18 MPG) costs $5,320, so the thriftier trim saves $1,370 a year and $6,850 over five years.

1992 trimEngineTransmissionDriveFuelCombCost/yrvs cheapest
C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular17$3,950cheapest
C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular16$4,200+$250
C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular16$4,200+$250
C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular15$4,480+$530
C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular14$4,800+$850
C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular14$4,800+$850
C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular14$4,800+$850
C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 5-spdRWDDiesel19$5,040+$1,080
C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular13$5,170+$1,220
C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel18$5,320+$1,360

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$5,040
1992C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152218566$5,320
1992C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152017523$3,950
1992C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152016555$4,200
1992C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152016555$4,200
1992C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular131815592$4,480
1992C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular131714635$4,800
1992C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular131714635$4,800
1992C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular121714635$4,800
1992C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121613684$5,170
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 5-spdRWDDiesel172219536$5,040
1991C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular151817523$3,950
1991C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152117523$3,950
1991C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152017523$3,950
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152017599$5,630
1991C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel171917599$5,630
1991C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152016555$4,200
1991C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular141815592$4,480
1991C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular131714635$4,800
1991C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular121714635$4,800
1991C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular121714635$4,800
1991C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121413684$5,170
1991C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111613684$5,170
1990C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152218494$3,730
1990C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel152017599$5,630
1990C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel161817599$5,630
1990C2500 Sierra 2WD4.3 L, 6 cylAuto 3-spdRWDRegular151615592$4,480
1990C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular141715592$4,480
1990C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular141715592$4,480
1990C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular141815592$4,480
1990C2500 Sierra 2WD5.0 L, 8 cylAuto 3-spdRWDRegular131413684$5,170
1990C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular121613684$5,170
1990C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111713684$5,170
1990C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular111312741$5,600
1989C2500 Sierra 2WD6.2 L, 8 cyl, DieselAuto 4-spdRWDDiesel162319536$5,040
1989C2500 Sierra 2WD4.3 L, 6 cylManual 5-spdRWDRegular152218494$3,730
1989C2500 Sierra 2WD4.3 L, 6 cylAuto 4-spdRWDRegular152017523$3,950
1989C2500 Sierra 2WD6.2 L, 8 cyl, DieselManual 4-spdRWDDiesel161716636$5,980
1989C2500 Sierra 2WD4.3 L, 6 cylAuto 3-spdRWDRegular151615592$4,480
1989C2500 Sierra 2WD4.3 L, 6 cylManual 4-spdRWDRegular141715592$4,480
1989C2500 Sierra 2WD5.0 L, 8 cylAuto 4-spdRWDRegular141815592$4,480
1989C2500 Sierra 2WD5.0 L, 8 cylManual 5-spdRWDRegular131915592$4,480
1989C2500 Sierra 2WD5.7 L, 8 cylAuto 4-spdRWDRegular131815592$4,480
1989C2500 Sierra 2WD5.7 L, 8 cylManual 4-spdRWDRegular121514635$4,800
1989C2500 Sierra 2WD5.7 L, 8 cylManual 5-spdRWDRegular111713684$5,170
1989C2500 Sierra 2WD5.0 L, 8 cylAuto 3-spdRWDRegular121212741$5,600

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 $4.48 a gallon for regular, $6.38 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 $3,950 a year. The C2500 Sierra 2WD, 6.2 L, 8 cyl, Diesel (18 MPG) costs $5,320, so the thriftier trim saves $1,370 a year and $6,850 over five years.

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