2021 Hyundai Ioniq
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2021 models.

- Class
- Midsize Cars
- Body styles
- Electric 4dr Hatch, Hybrid Essential 4dr Hatch, Hybrid Preferred/Luxury4dr Hatch
- Engines
- 1.6L 4-cyl
- Drivetrain
- Front-Wheel Drive
- Fuel
- EV, Hybrid, Plug-in Hybrid
- MPG (best)
- 59 combined · 58 city / 60 hwy
- EV range
- 170 mi · 2.25 h on 240 V
- Length
- 176 in
- Curb weight
- 3,020–3,371 lb
- NHTSA rating
- Not rated
- Recalls
- 0 campaigns
Pros & cons
What's good
- Excellent fuel economyUp to 59 MPG combined — 115% better than the average 2021 midsize car (27.4 MPG).
- Hybrid version availableOffered as a hybrid, plug-in hybrid and electric as well as gas.
- No recalls so far
Watch out for
No weak spots against similar models in the data.
Calculated from EPA, NHTSA and vPIC data against 22 similar 2021 models — not a review. How we calculate this →
Overview
The 2021 Hyundai Ioniq is a midsize car offered with a 1.6L 4-cyl engine, including a hybrid version and front-wheel drive.
It measures about 176 inches long and 72 inches wide on a 106-inch wheelbase, with a curb weight of roughly 3,371 lb (Electric 4dr Hatch).
EPA rates its most efficient version at 59 MPG combined (58 city / 60 highway), 115% better than the 2021 midsize car average of 27.4 MPG, for an estimated $550 a year in fuel.
The electric version has an EPA-rated range of up to 170 miles and takes about 2.25 hours to charge on a 240-volt Level 2 charger.
NHTSA has not published a 5-Star overall rating for this model year.
It has 0 recall campaigns on file and owners have filed 20 complaints with NHTSA since 2015, most often about the electrical system.
What changed for 2021
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2020 Ioniq — a carry-over year in the data.
Compared with 2020; trim, feature and price changes aren't covered. See the 2020 Ioniq →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| Electric 4dr Hatch | 176 in | 71.7 in | 57.1 in | 106.3 in | 61.4 / 62.2 in | 3,371 lb | 54/46 |
| Hybrid Essential 4dr Hatch | 176 in | 71.7 in | 57.1 in | 106.3 in | 61.4 / 62.2 in | 3,020 lb | 54/46 |
| Hybrid Preferred/Luxury4dr Hatch | 176 in | 71.7 in | 57.1 in | 106.3 in | 61.4 / 62.2 in | 3,256 lb | 54/46 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| Ioniq Electric EV | 100 kW AC PMSM | Automatic (A1) | Front-Wheel Drive | 170 mi · 25.3864 kWh/100mi | – | $550 | – |
| Ioniq Blue Hybrid | 1.6L 4-cyl | Automatic (AM-S6) | Front-Wheel Drive | 58 / 60 / 59 | +145% | $1,150 | 151 |
| Ioniq Hybrid | 1.6L 4-cyl | Automatic (AM-S6) | Front-Wheel Drive | 54 / 56 / 55 | +128% | $1,200 | 162 |
| Ioniq Plug-in Hybrid Plug-in Hybrid | 1.6L 4-cyl | Automatic (AM-S6) | Front-Wheel Drive | 52 / 51 / 52 | +90% | $1,300 | 74 |
EPA estimates; "vs. class" is combined MPG against the 2021 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2021 Hyundai Ioniq.
Similar 2021 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2021 Hyundai Ioniq (this car) | 59 MPG | Not rated | 0 |
| 2021 Toyota Corolla | 52 MPG | ★★★★★ | 1 |
| 2021 Honda Civic | 36 MPG | ★★★★★ | 4 |
| 2021 Nissan GT-R | 18 MPG | Not rated | 1 |
| 2021 Toyota Prius | 56 MPG | ★★★★★ | 0 |
| 2021 Subaru Impreza | 32 MPG | ★★★★★ | 2 |
| 2021 Hyundai Elantra | 54 MPG | ★★★★★ | 7 |
Recalls (0)
No vehicle recalls on file with NHTSA for the 2021 Hyundai Ioniq.
Check your VIN for open recalls at NHTSA ↗Not every 2021 Hyundai Ioniq is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2021 Hyundai Ioniq buyer's checklist
- Run the VIN at nhtsa.gov/recalls. No recalls on file, but check anyway.
- Electrical System — 9 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Forward Collision Avoidance › Adaptive Cruise Control — 5 owner reports. Make sure driver-assist systems and the backup camera work without error messages.
- Service Brakes — 5 owner reports. Brake firmly from speed; check for pulling, pulsing pedal or ABS warning light.
- Mileage to watch. Owners typically reported problems around 19,000 miles; ask what was repaired near that point.
- Battery health. Ask for a battery state-of-health report, check the remaining battery warranty, and compare the displayed range at 100% charge with the EPA's 170 miles.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2021 Hyundai Ioniq. Not a substitute for a professional inspection.
Other Ioniq years
Compare all years →| Year | MPG (best) | Length | Overall | Recalls | Complaints |
|---|---|---|---|---|---|
| 2022 Ioniq | 59 | 176 in | Not rated | 0 | 27 |
| 2020 Ioniq | 58 | 176 in | Not rated | 1 | 31 |
| 2019 Ioniq | 58 | 176 in | Not rated | 2 | 33 |
| 2018 Ioniq | 58 | 176 in | Not rated | 3 | 17 |
| 2017 Ioniq | 58 | 176 in | Not rated | 5 | 51 |
Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Hyundai. How we calculate this →