2021 · Large Car · Hybrid
2021 Hyundai Ioniq MPG & fuel economy
The 2021 Hyundai Ioniq is a large car offered in 2 EPA-rated configurations. The most efficient version returns 59 MPG combined (58 city / 60 highway) on regular gasoline. Across the lineup, combined ratings range from 55 to 59 MPG. That's up 1 MPG from the 2020 model. Among 27 large cars rated for 2021, it ranks 2nd for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $788 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2021 Hyundai Ioniq's fuel average is 25.1 km/L (4.0 L/100 km), or 59 MPG combined: 24.7 km/L in the city and 25.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 58 | 24.7 | 4.1 |
| Highway | 60 | 25.5 | 3.9 |
| Combined | 59 | 25.1 | 4.0 |
How it ranks among 2021 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Ioniq MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.6L 4-cyl · 6-speed dual-clutch Ioniq Blue |
Hybrid | 58 MPG | 60 MPG | 59 MPG | — | $788 |
| FWD · 1.6L 4-cyl · 6-speed dual-clutch Ioniq |
Hybrid | 54 MPG | 56 MPG | 55 MPG | — | $845 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 1.6L 4-cyl
- Transmission
- 6-speed dual-clutch
- Drivetrain
- FWD
- Passenger volume
- 96 cu ft
- Cargo volume
- 27 cu ft
- Tailpipe CO₂
- 151 g/mi
- EPA fuel economy score
- 10/10
- EPA greenhouse gas score
- 10/10
2021 Hyundai Ioniq vs. rivals
Compare the 2021 Ioniq
With any other car from any year, including other Ioniq model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 Hyundai Ioniq EV (133 MPGe), 2021 Hyundai Ioniq Plug-in Hybrid (119 MPGe + 52 MPG)
Frequently asked questions
What is the gas mileage of the 2021 Hyundai Ioniq?
Up to 59 MPG combined (58 city / 60 highway); ratings range from 55 to 59 MPG depending on configuration.
What fuel does the 2021 Hyundai Ioniq use?
Regular gasoline.
What is the fuel average in km/L for the 2021 Hyundai Ioniq?
The 2021 Hyundai Ioniq's fuel average is 25.1 km/L (4.0 L/100 km), or 59 MPG combined: 24.7 km/L in the city and 25.5 km/L on the highway.
How much does it cost to fuel the 2021 Hyundai Ioniq per year?
About $788 at 15,000 miles a year with $3.10/gal regular gas, or $5.25 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.