2018 head-to-head · Full-Size Pickup
2018 GMC Sierra vs Nissan Titan
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 2018 GMC Sierra is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel (20 MPG), versus $2,583 for the 2018 Nissan Titan (18 MPG). That's roughly $258 a year, or about $1,292 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
- GMC Sierra
- Nissan Titan
Side by side
| GMC Sierra | Nissan Titan | |
|---|---|---|
| $2,325 | Your annual fuel cost | $2,583 |
| 20 MPG | Combined efficiency | 18 MPG |
| 18 MPG | City | 15 MPG |
| 24 MPG | Highway | 21 MPG |
| 448 g/mi | Tailpipe CO₂ (g/mi) | 505 g/mi |
| 4/10 | EPA fuel economy score | 3/10 |
| 4/10 | EPA greenhouse gas score | 3/10 |
| Flex-fuel | Powertrain | Gas |
| Regular gasoline or E85 | Fuel | Regular gasoline |
| 4.3L 6-cyl | Engine / motor | 5.6L 8-cyl |
| 6-speed automatic | Transmission | 7-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 vs Nissan Titan across model years
- GMC Sierra
- Nissan Titan
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 12 2018 full-size pickups, the GMC Sierra ranks 4th and the Nissan Titan 10th for lowest fuel cost.
The powertrains differ: the GMC Sierra is a flex-fuel model, while the Nissan Titan is a conventional gas model.
Frequently asked questions
Which is more fuel-efficient, the 2018 GMC Sierra or the 2018 Nissan Titan?
Measured by cost to drive, the GMC Sierra. The GMC Sierra is rated 20 MPG combined and the Nissan Titan 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 GMC Sierra vs. the Nissan Titan per year?
At 15,000 miles a year with $3.10/gal regular gas, about $2,325 for the GMC Sierra and $2,583 for the Nissan Titan.
GMC Sierra vs Nissan Titan in other years
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