2020 head-to-head · Midsize & Large SUV

2020 GMC Acadia vs Subaru Ascent

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

Swap sides
✓ Cheaper to run
$1,938/ year to fuel
24 MPG
✓ Cheaper to run
$2,022/ year to fuel
23 MPG

The 2020 GMC Acadia is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,938 a year to fuel (24 MPG), versus $2,022 for the 2020 Subaru Ascent (23 MPG). That's roughly $84 a year, or about $421 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 Acadia
  • Subaru Ascent

Side by side

GMC AcadiaSubaru Ascent
$1,938 Your annual fuel cost $2,022
24 MPG Combined efficiency 23 MPG
21 MPG City 21 MPG
28 MPG Highway 27 MPG
362 g/mi Tailpipe CO₂ (g/mi) 386 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
2.0L 4-cyl turbo Engine / motor 2.4L 4-cyl turbo
9-speed automatic Transmission CVT
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 Acadia vs Subaru Ascent across model years

  • GMC Acadia
  • Subaru Ascent

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 55 2020 midsize & large SUVs, the GMC Acadia ranks 8th and the Subaru Ascent 10th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 GMC Acadia or the 2020 Subaru Ascent?

Measured by cost to drive, the GMC Acadia. The GMC Acadia is rated 24 MPG combined and the Subaru Ascent 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 GMC Acadia vs. the Subaru Ascent per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,938 for the GMC Acadia and $2,022 for the Subaru Ascent.

GMC Acadia vs Subaru Ascent in other years

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