2026 head-to-head · Midsize & Large SUV
2026 Buick Enclave vs GMC Acadia
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 Buick Enclave (22 MPG) costs about $2,114 a year to fuel and the 2026 GMC Acadia (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
- Buick Enclave
- GMC Acadia
Side by side
| Buick Enclave | GMC Acadia | |
|---|---|---|
| $2,114 | Your annual fuel cost | $2,114 |
| 22 MPG | Combined efficiency | 22 MPG |
| 20 MPG | City | 20 MPG |
| 25 MPG | Highway | 26 MPG |
| 404 g/mi | Tailpipe CO₂ (g/mi) | 404 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 | 2.5L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed automatic |
| 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.
Buick Enclave vs GMC Acadia across model years
- Buick Enclave
- GMC Acadia
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 Buick Enclave ranks 40th and the GMC Acadia 39th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2026 Buick Enclave vs. the GMC Acadia per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,114 for the Buick Enclave and $2,114 for the GMC Acadia.
Buick Enclave vs GMC Acadia in other years
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