2021 · Midsize Car · Hybrid
2021 Toyota Prius MPG & fuel economy
The 2021 Toyota Prius is a midsize car offered in 3 EPA-rated configurations. The most efficient version returns 56 MPG combined (58 city / 53 highway) on regular gasoline. Across the lineup, combined ratings range from 49 to 56 MPG. Efficiency is unchanged from the 2020 model. Among 54 midsize cars rated for 2021, it ranks 6th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $830 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 Toyota Prius's fuel average is 23.8 km/L (4.2 L/100 km), or 56 MPG combined: 24.7 km/L in the city and 22.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 58 | 24.7 | 4.1 |
| Highway | 53 | 22.5 | 4.4 |
| Combined | 56 | 23.8 | 4.2 |
How it ranks among 2021 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Prius MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.8L 4-cyl · CVT Prius Eco |
Hybrid | 58 MPG | 53 MPG | 56 MPG | — | $830 |
| FWD · 1.8L 4-cyl · CVT Prius |
Hybrid | 54 MPG | 50 MPG | 52 MPG | — | $894 |
| Part-time 4WD · 1.8L 4-cyl · CVT Prius AWD |
Hybrid | 51 MPG | 47 MPG | 49 MPG | — | $949 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.8L 4-cyl
- Transmission
- CVT
- Drivetrain
- FWD
- Passenger volume
- 91 cu ft
- Cargo volume
- 27 cu ft
- Tailpipe CO₂
- 158 g/mi
- EPA fuel economy score
- 10/10
- EPA greenhouse gas score
- 10/10
2021 Toyota Prius vs. rivals
Compare the 2021 Prius
With any other car from any year, including other Prius model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2021 Toyota Prius?
Up to 56 MPG combined (58 city / 53 highway); ratings range from 49 to 56 MPG depending on configuration.
What fuel does the 2021 Toyota Prius use?
Regular gasoline.
What is the fuel average in km/L for the 2021 Toyota Prius?
The 2021 Toyota Prius's fuel average is 23.8 km/L (4.2 L/100 km), or 56 MPG combined: 24.7 km/L in the city and 22.5 km/L on the highway.
How much does it cost to fuel the 2021 Toyota Prius per year?
About $830 at 15,000 miles a year with $3.10/gal regular gas, or $5.54 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.