2019 head-to-head · Small SUV

2019 GMC Terrain vs GMC Terrain Diesel

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
$1,661/ year to fuel
28 MPG
✓ Cheaper to run
$1,734/ year to fuel
32 MPG

The 2019 GMC Terrain is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, it costs about $1,661 a year to fuel (28 MPG), versus $1,734 for the 2019 GMC Terrain Diesel (32 MPG). That's roughly $74 a year, or about $368 over five years.

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
  • GMC Terrain Diesel

Side by side

GMC TerrainGMC Terrain Diesel
$1,661 Your annual fuel cost $1,734
28 MPG Combined efficiency 32 MPG
26 MPG City 28 MPG
30 MPG Highway 38 MPG
90 cu ft Passenger volume 90 cu ft
13 cu ft Cargo volume 13 cu ft
317 g/mi Tailpipe CO₂ (g/mi) 319 g/mi
6/10 EPA fuel economy score 7/10
6/10 EPA greenhouse gas score 6/10
Gas Powertrain Diesel
Regular gasoline Fuel Diesel
1.5L 4-cyl turbo Engine / motor 1.6L 4-cyl turbo
9-speed automatic Transmission 6-speed automatic
FWD Drivetrain AWD

✓ 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 GMC Terrain Diesel across model years

  • GMC Terrain
  • GMC Terrain Diesel

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 76 2019 small SUVs, the GMC Terrain ranks 15th and the GMC Terrain Diesel 26th for lowest fuel cost.

The powertrains differ: the GMC Terrain is a conventional gas model, while the GMC Terrain Diesel is a diesel.

Frequently asked questions

Which is more fuel-efficient, the 2019 GMC Terrain or the 2019 GMC Terrain Diesel?

Measured by cost to drive, the GMC Terrain. The GMC Terrain is rated 28 MPG combined and the GMC Terrain Diesel 32 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 GMC Terrain vs. the GMC Terrain Diesel per year?

At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $1,661 for the GMC Terrain and $1,734 for the GMC Terrain Diesel.

GMC Terrain vs GMC Terrain Diesel in other years

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