2023 head-to-head · Full-Size Pickup
2023 GMC Sierra Diesel vs Toyota Tundra Hybrid
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 $3.70/gal diesel fuel and $3.10/gal regular gas, the most efficient 2023 GMC Sierra Diesel (26 MPG) costs about $2,135 a year to fuel and the 2023 Toyota Tundra Hybrid (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 Sierra Diesel
- Toyota Tundra Hybrid
Side by side
| GMC Sierra Diesel | Toyota Tundra Hybrid | |
|---|---|---|
| $2,135 | Your annual fuel cost | $2,114 |
| 26 MPG | Combined efficiency | 22 MPG |
| 24 MPG | City | 20 MPG |
| 29 MPG | Highway | 24 MPG |
| 396 g/mi | Tailpipe CO₂ (g/mi) | 408 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Diesel | Powertrain | Hybrid |
| Diesel | Fuel | Regular gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 3.4L 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.
GMC Sierra Diesel vs Toyota Tundra Hybrid across model years
- GMC Sierra Diesel
- Toyota Tundra Hybrid
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 20 2023 full-size pickups, the GMC Sierra Diesel ranks 9th and the Toyota Tundra Hybrid 8th for lowest fuel cost.
The powertrains differ: the GMC Sierra Diesel is a diesel, while the Toyota Tundra Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2023 GMC Sierra Diesel or the 2023 Toyota Tundra Hybrid?
Measured by cost to drive, the Toyota Tundra Hybrid. The GMC Sierra Diesel is rated 26 MPG combined and the Toyota Tundra Hybrid 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 GMC Sierra Diesel vs. the Toyota Tundra Hybrid per year?
At 15,000 miles a year with $3.70/gal diesel fuel and $3.10/gal regular gas, about $2,135 for the GMC Sierra Diesel and $2,114 for the Toyota Tundra Hybrid.
GMC Sierra Diesel vs Toyota Tundra Hybrid in other years
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