Does the 2013 GMC Terrain FWD take premium or regular gas?

The EPA lists the 2013 GMC Terrain FWD 3.6L 6-cyl, Automatic 6-spd, FWD as taking flex-fuel. Combined MPG is 20, and at today's gas prices that's about $3,100 a year in fuel.

← all 2013 GMC Terrain FWD trims

2013 GMC Terrain FWD — 3.6L 6-cyl, Automatic 6-spd, FWD

This 2013 GMC Terrain FWD (3.6L 6-cyl, Automatic 6-spd, FWD) is flex-fuel (gasoline or E85). FLEX-FUEL

MPG combined (17 city / 24 hwy)

$3,100

est. fuel cost / year (EPA, 15k mi)

454 g/mi

tailpipe CO₂

EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.

Other 2013 GMC Terrain FWD trims

Trim	Fuel	MPG	Fuel/yr
2.4L 4-cyl, Automatic 6-spd, FWD	REGULAR	26	$2,192
3.6L 6-cyl, Automatic 6-spd, FWD	REGULAR	20	$2,850
2.4L 4-cyl, Automatic 6-spd, FWD	FLEX-FUEL	26	$2,400

EPA fuel type: Gasoline or E85 · class: Small Sport Utility Vehicle 2WD · engine: 3.6L 6-cyl · transmission: Automatic 6-spd · drive: FWD · MPG retrieved 2026-07-24.