2021 · Midsize Car · Plug-in hybrid
2021 Hyundai Ioniq Plug-in Hybrid MPG & fuel economy
The 2021 Hyundai Ioniq Plug-in Hybrid is a midsize car with one EPA-rated configuration. This plug-in hybrid covers about 29 miles on electricity (119 MPGe), then returns 52 MPG on gas. Efficiency is unchanged from the 2020 model. Among 54 midsize cars rated for 2021, it ranks 4th for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, it costs about $815 a year to fuel.
What will it cost you?
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Fuel average
The 2021 Hyundai Ioniq Plug-in Hybrid's fuel average is 22.1 km/L (4.5 L/100 km), or 52 MPG combined: 22.1 km/L in the city and 21.7 km/L on the highway. On electricity it is rated 119 MPGe.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City (gas) | 52 | 22.1 | 4.5 |
| Highway (gas) | 51 | 21.7 | 4.6 |
| Combined (gas) | 52 | 22.1 | 4.5 |
How it ranks among 2021 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Ioniq Plug-in Hybrid MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.6L 4-cyl · 6-speed dual-clutch Ioniq Plug-in Hybrid |
Plug-in hybrid | 123 MPGe + 52 MPG | 115 MPGe + 51 MPG | 119 MPGe + 52 MPG | 620 mi | $815 |
Specs (most efficient configuration)
- Fuel
- Regular gas + electricity
- Engine / motor
- 1.6L 4-cyl
- Transmission
- 6-speed dual-clutch
- Drivetrain
- FWD
- Electricity use
- 28 kWh/100 mi
- All-electric range
- 29 mi
- Charge time (240V)
- 2.2 hrs
- Passenger volume
- 96 cu ft
- Cargo volume
- 23 cu ft
- Tailpipe CO₂
- 74 g/mi
- EPA fuel economy score
- 10/10
- EPA greenhouse gas score
- 10/10
2021 Hyundai Ioniq Plug-in Hybrid vs. rivals
Compare the 2021 Ioniq Plug-in Hybrid
With any other car from any year, including other Ioniq Plug-in Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2021 Hyundai Ioniq EV (133 MPGe), 2021 Hyundai Ioniq (59 MPG)
Frequently asked questions
What is the gas mileage of the 2021 Hyundai Ioniq Plug-in Hybrid?
Up to 119 MPGe + 52 MPG combined.
What fuel does the 2021 Hyundai Ioniq Plug-in Hybrid use?
Regular gas + electricity.
What is the fuel average in km/L for the 2021 Hyundai Ioniq Plug-in Hybrid?
The 2021 Hyundai Ioniq Plug-in Hybrid's fuel average is 22.1 km/L (4.5 L/100 km), or 52 MPG combined: 22.1 km/L in the city and 21.7 km/L on the highway. On electricity it is rated 119 MPGe.
How much does it cost to fuel the 2021 Hyundai Ioniq Plug-in Hybrid per year?
About $815 at 15,000 miles a year with 18¢/kWh electricity and $3.10/gal regular gas, or $5.43 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.