2026 head-to-head · Full-Size Pickup
2026 Ford F150 vs GMC Sierra
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2026 Ford F150 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel (21 MPG), versus $2,325 for the 2026 GMC Sierra (20 MPG). That's roughly $111 a year, or about $554 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
- Ford F150
- GMC Sierra
Side by side
| Ford F150 | GMC Sierra | |
|---|---|---|
| $2,214 | Your annual fuel cost | $2,325 |
| 21 MPG | Combined efficiency | 20 MPG |
| 19 MPG | City | 18 MPG |
| 25 MPG | Highway | 21 MPG |
| 425 g/mi | Tailpipe CO₂ (g/mi) | 464 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 |
| 2.7L 6-cyl turbo | Engine / motor | 2.7L 4-cyl turbo |
| 10-speed automatic | Transmission | 8-speed automatic |
| RWD | Drivetrain | RWD |
✓ 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.
Ford F150 vs GMC Sierra across model years
- Ford F150
- GMC Sierra
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 21 2026 full-size pickups, the Ford F150 ranks 10th and the GMC Sierra 17th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Ford F150 or the 2026 GMC Sierra?
Measured by cost to drive, the Ford F150. The Ford F150 is rated 21 MPG combined and the GMC Sierra 20 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Ford F150 vs. the GMC Sierra per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,214 for the Ford F150 and $2,325 for the GMC Sierra.
Ford F150 vs GMC Sierra in other years
More 2026 comparisons
Ford F150 vs…
Or compare the 2026 Ford F150 with anything else: