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GMC Fuel Economy and Fuel Cost by Model

GMC has 13 models with EPA fuel economy ratings between 2000 and 2027. In model year 2026 the combined ratings of its models run 20–27 MPG. The most efficient is the 2026 GMC Terrain at 27 MPG, about $2,420 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). 3 of its models offer a hybrid, plug-in hybrid or electric version.

Models

13

2000–2027

Most efficient, MY2026

27MPG

GMC Terrain

Cheapest to fuel, MY2026

$2,420/yr

GMC Terrain

Electrified models

3

hybrid, plug-in or electric

Most efficient GMC models, MY2026

GMC models ranked by best combined rating, MY2026
1
2026 GMC Terrain
Small SUVs
27$2,420
2
2026 GMC Sierra
Standard pickups
25$3,730
3
2026 GMC Yukon
Standard SUVs
23$4,100
4
2026 GMC Acadia
Standard SUVs
22$2,970
5
2026 GMC Canyon
Standard pickups
20$3,270

All GMC models

GMC models: latest model year ratings and annual fuel cost
ModelModel yearsPowertrainsLatest MYCombined$/yr
GMC Sierra 2000–2026 Gas, Electric, Diesel 2026 15–25 $1,360–$5,360
GMC Yukon 2000–2027 Gas, Diesel 2027 16–23 $3,900–$4,930
GMC Terrain 2010–2027 Gas 2027 25–26 $2,510–$2,640
GMC Acadia 2007–2027 Gas 2027 21–22 $2,970–$3,110
GMC Hummer EV 2024–2025 Electric 2025 47–53 MPGe $1,760–$1,970
GMC Canyon 2004–2026 Gas 2026 16–20 $3,270–$4,150
GMC Savana Passenger 2000–2017 Gas 2017 12–13 $5,180–$5,260
GMC Savana Cargo 2000–2015 Gas 2015 12 $5,390–$5,440
GMC Envoy 2002–2009 Gas 2009 16–17 $3,840–$4,080
GMC Jimmy 2000–2004 Gas 2004 15–16 $4,080–$4,360
GMC Sonoma 2000–2004 Gas 2004 15 $4,360
GMC Safari Cargo 2000–2005 Gas 2005 14–17 $3,840–$4,670
GMC Safari Passenger 2000–2005 Gas 2005 14–16 $4,080–$4,670

Ratings and costs are for each model's latest model year; costs use the current EIA price set and 15,000 miles a year.

GMC by size class

  • Standard pickups: 3
  • Standard SUVs: 5
  • Small SUVs: 1
  • Vans: 4
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · residential electricity 18.3¢/kWh (U.S. average, Jul 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

Which GMC gets the best gas mileage?

In model year 2026, the most efficient GMC is the 2026 GMC Terrain at 27 MPG combined. Next is the 2026 GMC Sierra at 25 MPG.

What is the cheapest GMC to fuel?

In model year 2026, the 2026 GMC Terrain is the cheapest GMC to fuel: about $2,420 a year at 15,000 miles, using regular gasoline $4.36/gal (U.S. average, Sep 2026).

How many GMC models does EPA rate?

EPA lists 13 GMC models for model years 2000 to 2027. 5 of them have ratings for MY2026.

Does GMC make hybrid or electric cars?

Yes. Hybrid: 2 models; Electric: 2 models.

What MPG do GMC cars get?

Combined ratings across GMC models run 20–27 MPG for MY2026, from the 2026 GMC Canyon to the 2026 GMC Terrain.