2026 head-to-head · Midsize & Large SUV
2026 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2026 GMC Acadia (22 MPG) costs about $2,114 a year to fuel and the 2026 Subaru Ascent (22 MPG) about $2,114.
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 Acadia | Subaru Ascent | |
|---|---|---|
| $2,114 | Your annual fuel cost | $2,114 |
| 22 MPG | Combined efficiency | 22 MPG |
| 20 MPG | City | 19 MPG |
| 26 MPG | Highway | 26 MPG |
| 404 g/mi | Tailpipe CO₂ (g/mi) | 405 g/mi |
| 4/10 | EPA fuel economy score | 4/10 |
| 4/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl turbo | Engine / motor | 2.4L 4-cyl turbo |
| 8-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 91 2026 midsize & large SUVs, the GMC Acadia ranks 39th and the Subaru Ascent 42nd for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2026 GMC Acadia vs. the Subaru Ascent per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,114 for the GMC Acadia and $2,114 for the Subaru Ascent.
GMC Acadia vs Subaru Ascent in other years
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