Photo: GMC Sierra by Ethan Llamas, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
GMC · model year 2012
2012 GMC Sierra 15 Hybrid 4WD
Pickup · 4-Wheel Drive · Hybrid · EPA class: Standard Pickup Trucks 4WD
EPA figures · 2012fueleconomy.gov
21MPG combined
20/23MPG city / highway
$3,200fuel a year
423 g CO₂ per mile 6.0 L 8-cyl Automatic (variable gear ratios)
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
- Combined MPG
- 21 MPG
- City MPG
- 20 MPG
- Highway MPG
- 23 MPG
- Annual fuel cost
- $3,200
- Tailpipe CO₂
- 423 g per mile
- Model year
- 2012
- Body
- Pickup
- EPA size class
- Standard Pickup Trucks 4WD
- Drive
- 4-Wheel Drive
- Engine
- 6.0 L 8-cyl
- Transmission
- Automatic (variable gear ratios)
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
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12 MPG · $5,600 fuel a year 2012 GMC Sierra 15 Hybrid 2WD
21 MPG · $3,200 fuel a year 2012 GMC Sierra C15 2WD
17 MPG · $3,950 fuel a year