GMC MPG Ratings

Compare fuel economy across all 23 GMC models

New
21 MPG (avg)
2026 models
Best: Terrain at 26 MPG
Used
17 MPG (avg)
Pre-2026 models
Best: 2018 Terrain at 28 MPG
Data sourced from the U.S. EPA fuel economy database, updated annually.

Current models

Models still in production in 2026

Model MPG Fuel cost/yr
Acadia ›
2007–2026
21 $2,893
Canyon ›
2004–2026
19 $3,232
Sierra ›
1989–2026
16 $3,920
Terrain ›
2010–2026
24 $2,649
Yukon ›
1992–2026
16 $3,921

Recent models

Models in production between 2015 and 2025

Model MPG Fuel cost/yr
Savana Cargo ›
1996–2015
14 $4,201
Savana Passenger ›
1996–2017
14 $4,401

Older models

Models last produced between 1984 and 2014

Model MPG Fuel cost/yr
C2500 Sierra ›
1989–1992
15 $4,195
Caballero Pickup ›
1984–1987
17 $3,623
Envoy ›
2002–2009
16 $3,851
Jimmy ›
1984–2004
17 $3,675
K2500 Sierra ›
1989–1992
14 $4,440
Pickup ›
1984–1995
16 $4,130
Rally ›
1984–1995
14 $4,508
S15 Cab Chassis ›
1984–1988
14 $4,281
S15 Pickup ›
1984–1990
21 $3,042
S15 Utility Body ›
1984
18 $3,300
Safari ›
1985–1993
18 $3,407
Safari Cargo ›
1994–2005
16 $3,850
Safari Passenger ›
1990–2005
16 $3,960
Sonoma ›
1991–2004
18 $3,402
Suburban ›
1984–1999
14 $4,791
Vandura ›
1984–1995
16 $4,088