2024 head-to-head · Full-Size Pickup
2024 Ford F150 vs GMC Sierra 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.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, the most efficient 2024 Ford F150 (21 MPG) costs about $2,214 a year to fuel and the 2024 GMC Sierra Diesel (25 MPG) about $2,220.
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 Diesel
Side by side
| Ford F150 | GMC Sierra Diesel | |
|---|---|---|
| $2,214 | Your annual fuel cost | $2,220 |
| 21 MPG | Combined efficiency | 25 MPG |
| 19 MPG | City | 23 MPG |
| 25 MPG | Highway | 29 MPG |
| 425 g/mi | Tailpipe CO₂ (g/mi) | 399 g/mi |
| 4/10 | EPA fuel economy score | 5/10 |
| 4/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Diesel |
| Regular gasoline | Fuel | Diesel |
| 2.7L 6-cyl turbo | Engine / motor | 3.0L 6-cyl turbo |
| 10-speed automatic | Transmission | 10-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 Diesel across model years
- Ford F150
- GMC Sierra 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 19 2024 full-size pickups, the Ford F150 ranks 10th and the GMC Sierra Diesel 13th for lowest fuel cost.
The powertrains differ: the Ford F150 is a conventional gas model, while the GMC Sierra Diesel is a diesel.
Frequently asked questions
Which is more fuel-efficient, the 2024 Ford F150 or the 2024 GMC Sierra Diesel?
Measured by cost to drive, the Ford F150. The Ford F150 is rated 21 MPG combined and the GMC Sierra Diesel 25 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2024 Ford F150 vs. the GMC Sierra Diesel per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.70/gal diesel fuel, about $2,214 for the Ford F150 and $2,220 for the GMC Sierra Diesel.
Ford F150 vs GMC Sierra Diesel in other years
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