Fuel economy & running costsGasoline
#4 of 2,900 · GMC cars
2027 GMCTerrain AWD Denali/AT4
Small Sport Utility Vehicle 4WD · All-Wheel Drive · 1.5 L 4-cyl turbo
25MPGcombined
24city
26highway
A year of fuel$2,700
CO₂ from the tailpipe359 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 479 fuel-efficient SUVs
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Summary
2027 GMC Terrain AWD Denali/AT4 by GMC. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 2027fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 25fueleconomy.gov · 3 Oct 2026
- City MPG
- 24fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 26fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $2,700fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 359 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- SUVfueleconomy.gov · 3 Oct 2026
- EPA class
- Small Sport Utility Vehicle 4WDfueleconomy.gov · 3 Oct 2026
- Drive
- All-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 1.5 L 4-cyl turbofueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic 8-spdfueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More GMC cars
See the list
#1 2027 · GMC Acadia AWD 21Combined MPG $3,200Fuel / year #2 2027 · GMC Acadia FWD 22Combined MPG $3,050Fuel / year #3 2027 · GMC Terrain AWD 25Combined MPG $2,700Fuel / year #5 2027 · GMC Terrain FWD 26Combined MPG $2,600Fuel / year 
#6 2027 · GMC Yukon 2WD 17Combined MPG $3,950Fuel / year #7 2027 · GMC Yukon 2WD 17Combined MPG $4,850Fuel / year Where it ranks on CarCody
- GMC Cars: Every Model and Year With MPG2900 listed
- Most Fuel-Efficient SUVs in 2026#180 of 479
Sources
- fueleconomy.gov/feg/noframes/50413.shtml· checked 3 Oct 2026