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GMC · model year 1991

1991 GMC C2500 Sierra 2WD

Pickup · Rear-Wheel Drive · Diesel · EPA class: Standard Pickup Trucks

EPA figures · 1991fueleconomy.gov
19MPG combined
17/22MPG city / highway
$5,050fuel a year
536 g CO₂ per mile 6.2 L 8-cyl Manual 5-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.

Where it places

Every figure on record

Efficiency
Combined MPG
19 MPG
City MPG
17 MPG
Highway MPG
22 MPG
Running cost
Annual fuel cost
$5,050
Tailpipe CO₂
536 g per mile
The car
Model year
1991
Body
Pickup
EPA size class
Standard Pickup Trucks
Drive
Rear-Wheel Drive
Powertrain
Engine
6.2 L 8-cyl
Transmission
Manual 5-spd
Fuel
Diesel

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