GMC
Sierra 15 Hybrid 4WD
U.S. fuel economy and specifications from the EPA.
21Best combined MPG2010 model year
2004–2018Model years11 with EPA ratings
11Rated configurationsDrive, transmission and engine
5.3–6 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2004 16 MPG
2005 16 MPG
2006 16 MPG
2007 No rating
2008 No rating
2009 20 MPG
2010 21 MPG
2011 21 MPG
2012 21 MPG
2013 21 MPG
2014 No rating
2015 No rating
2016 18 MPG
2017 18 MPG
2018 18 MPG
1 configuration.
4-Wheel Drive · Automatic 8-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 18
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 8-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 18
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic 8-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 18
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel Drive · Automatic (variable gear ratios)
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 6.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic (variable gear ratios)
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 6.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic (variable gear ratios)
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 6.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic (variable gear ratios)
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 21
- Engine displacement
- 6.0 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic (variable gear ratios)
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 20
- Engine displacement
- 6.0 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 16
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 16
- Engine displacement
- 5.3 L
- Cylinders
- 8
4-Wheel or All-Wheel Drive · Automatic 4-spd
Regular gasoline · Standard Pickup Trucks 4WD
- Combined MPG
- 16
- Engine displacement
- 5.3 L
- Cylinders
- 8