2021 · Full-Size Pickup · Gas
2021 Nissan Frontier MPG & fuel economy
The 2021 Nissan Frontier is a full-size pickup offered in 2 EPA-rated configurations. The most efficient version returns 20 MPG combined (18 city / 24 highway) on regular gasoline. Across the lineup, combined ratings range from 19 to 20 MPG. Efficiency is unchanged from the 2020 model. Among 17 full-size pickups rated for 2021, it ranks 12th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,325 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 Nissan Frontier's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 10.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 18 | 7.7 | 13.1 |
| Highway | 24 | 10.2 | 9.8 |
| Combined | 20 | 8.5 | 11.8 |
How it ranks among 2021 Full-Size Pickups
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Frontier MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 3.8L 6-cyl · 9-speed automatic Frontier 2WD |
Gas | 18 MPG | 24 MPG | 20 MPG | — | $2,325 |
| Part-time 4WD · 3.8L 6-cyl · 9-speed automatic Frontier 4WD |
Gas | 17 MPG | 23 MPG | 19 MPG | — | $2,447 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.8L 6-cyl
- Transmission
- 9-speed automatic
- Drivetrain
- RWD
- Tailpipe CO₂
- 445 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2021 Nissan Frontier vs. rivals
Compare the 2021 Frontier
With any other car from any year, including other Frontier model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2021 Nissan Frontier?
Up to 20 MPG combined (18 city / 24 highway); ratings range from 19 to 20 MPG depending on configuration.
What fuel does the 2021 Nissan Frontier use?
Regular gasoline.
What is the fuel average in km/L for the 2021 Nissan Frontier?
The 2021 Nissan Frontier's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 10.2 km/L on the highway.
How much does it cost to fuel the 2021 Nissan Frontier per year?
About $2,325 at 15,000 miles a year with $3.10/gal regular gas, or $15.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.