2018 · Large Car · Hybrid
2018 Hyundai Ioniq MPG & fuel economy
The 2018 Hyundai Ioniq is a large car offered in 2 EPA-rated configurations. The most efficient version returns 58 MPG combined (57 city / 59 highway) on regular gasoline. Across the lineup, combined ratings range from 55 to 58 MPG. Efficiency is unchanged from the 2017 model. Among 31 large cars rated for 2018, it ranks 1st for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $802 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2018 Hyundai Ioniq's fuel average is 24.7 km/L (4.1 L/100 km), or 58 MPG combined: 24.2 km/L in the city and 25.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 57 | 24.2 | 4.1 |
| Highway | 59 | 25.1 | 4.0 |
| Combined | 58 | 24.7 | 4.1 |
How it ranks among 2018 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 | 57 MPG | 59 MPG | 58 MPG | — | $802 |
| FWD · 1.6L 4-cyl · 6-speed dual-clutch Ioniq |
Hybrid | 55 MPG | 54 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
- 154 g/mi
- EPA fuel economy score
- 10/10
- EPA greenhouse gas score
- 10/10
2018 Hyundai Ioniq vs. rivals
Compare the 2018 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: 2018 Hyundai Ioniq EV (136 MPGe), 2018 Hyundai Ioniq Plug-in Hybrid (119 MPGe + 52 MPG)
Frequently asked questions
What is the gas mileage of the 2018 Hyundai Ioniq?
Up to 58 MPG combined (57 city / 59 highway); ratings range from 55 to 58 MPG depending on configuration.
What fuel does the 2018 Hyundai Ioniq use?
Regular gasoline.
What is the fuel average in km/L for the 2018 Hyundai Ioniq?
The 2018 Hyundai Ioniq's fuel average is 24.7 km/L (4.1 L/100 km), or 58 MPG combined: 24.2 km/L in the city and 25.1 km/L on the highway.
How much does it cost to fuel the 2018 Hyundai Ioniq per year?
About $802 at 15,000 miles a year with $3.10/gal regular gas, or $5.34 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.