2015 GMC Terrain FWD
Fuel economy & running costsGasoline
#627 of 2,900 · GMC cars

2015 GMCTerrain FWD

Small Sport Utility Vehicle 2WD · Front-Wheel Drive · 3.6 L 6-cyl

19MPGcombined
17city
24highway
A year of fuel$3,550
CO₂ from the tailpipe462 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.

Against the 2,900 GMC cars

Combined MPG 19 MPGbest 32 · avg 17
Annual fuel cost $3,550best $900 · avg $4,328

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

The 2015 GMC Terrain FWD is a gasoline SUV with front-wheel drive and a 3.6 L six-cylinder engine. GMC identifies this configuration as a Small Sport Utility Vehicle 2WD, and it has an automatic six-speed transmission. Its EPA fuel economy is 17 MPG in the city, 24 MPG on the highway and 19 MPG combined. The listed annual fuel cost is USD 3550, while tailpipe emissions are 462 g of CO2 per mile. The FWD designation and two-wheel-drive classification distinguish this Terrain configuration. Buyers can use the separate city and highway figures to see how the official ratings vary by driving category, then consider the combined estimate and annual cost when comparing fuel use. The model year, engine and transmission complete the main details for this version of the Terrain.

Who it is for

This Terrain suits shoppers looking for a front-wheel-drive gasoline SUV with a six-cylinder engine. The city, highway and combined ratings offer several figures for assessing fuel use.

What is good

  • Front-wheel drive is specified.
  • 3.6 L six-cylinder engine.
  • Highway rating is 24 MPG.
  • Automatic six-speed transmission.

What to know first

  • Combined fuel economy is 19 MPG.
  • Annual fuel cost is USD 3550.
  • Tailpipe CO2 is 462 g per mile.

Verdict

The 2015 Terrain FWD has a 3.6 L six-cylinder engine and automatic six-speed transmission. Its 19 MPG combined rating and USD 3550 annual fuel cost are key figures for buyers considering fuel use.

Details

Model year
2015fueleconomy.gov · 3 Oct 2026

Efficiency

Combined MPG
19fueleconomy.gov · 3 Oct 2026
City MPG
17fueleconomy.gov · 3 Oct 2026
Highway MPG
24fueleconomy.gov · 3 Oct 2026

Running cost

Annual fuel cost
$3,550fueleconomy.gov · 3 Oct 2026
CO₂ (tailpipe)
462 g/mifueleconomy.gov · 3 Oct 2026

Car

Body
SUVfueleconomy.gov · 3 Oct 2026
EPA class
Small Sport Utility Vehicle 2WDfueleconomy.gov · 3 Oct 2026
Drive
Front-Wheel Drivefueleconomy.gov · 3 Oct 2026

Powertrain

Engine
3.6 L 6-cylfueleconomy.gov · 3 Oct 2026
Transmission
Automatic 6-spdfueleconomy.gov · 3 Oct 2026
Fuel
Gasolinefueleconomy.gov · 3 Oct 2026

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Sources