2021 head-to-head · Small SUV

2021 GMC Terrain vs Mitsubishi Outlander

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

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✓ Cheaper to run
$1,722/ year to fuel
27 MPG
✓ Cheaper to run
$1,722/ year to fuel
27 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2021 GMC Terrain (27 MPG) costs about $1,722 a year to fuel and the 2021 Mitsubishi Outlander (27 MPG) about $1,722.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • GMC Terrain
  • Mitsubishi Outlander

Side by side

GMC TerrainMitsubishi Outlander
$1,722 Your annual fuel cost $1,722
27 MPG Combined efficiency 27 MPG
25 MPG City 24 MPG
30 MPG Highway 30 MPG
90 cu ft Passenger volume —
13 cu ft Cargo volume —
329 g/mi Tailpipe CO₂ (g/mi) 331 g/mi
6/10 EPA fuel economy score 6/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.5L 4-cyl turbo Engine / motor 2.0L 4-cyl
9-speed automatic Transmission CVT
FWD Drivetrain FWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

GMC Terrain vs Mitsubishi Outlander across model years

  • GMC Terrain
  • Mitsubishi Outlander

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Among 92 2021 small SUVs, the GMC Terrain ranks 36th and the Mitsubishi Outlander 35th for lowest fuel cost.

Frequently asked questions

How much does it cost to fuel the 2021 GMC Terrain vs. the Mitsubishi Outlander per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,722 for the GMC Terrain and $1,722 for the Mitsubishi Outlander.

GMC Terrain vs Mitsubishi Outlander in other years

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