Model year 2021 · Large Cars, Midsize Cars

2021 Hyundai Ioniq: recalls, fuel economy and safety ratings

EPA rates the 2021 Hyundai Ioniq at 52–59 mpg combined (gas versions) and 133 MPGe combined with 170 miles of EPA-rated range across 4 versions. NHTSA lists 0 safety recalls and 20 owner complaints for this model year.

Safety recalls

0

EPA combined mpg

52–59

NHTSA overall rating

—

Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT

NHTSA lists this vehicle as IONIQ ELECTRIC, IONIQ HYBRID, IONIQ PLUG-IN HYBRID.

Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Hyundai dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.

2021 Hyundai Ioniq recalls

NHTSA's recall file lists 0 safety recalls for the 2021 Hyundai Ioniq, newest first.

No recalls are listed for the 2021 Hyundai Ioniq in NHTSA's recall file as of Oct 27, 2026.

Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.

2021 Hyundai Ioniq fuel economy by version

EPA city/highway/combined estimates for each engine, transmission and drive combination; electric figures are in MPGe (miles per gallon equivalent). Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.

2021 Hyundai Ioniq EPA fuel economy
VersionEngineTransmissionDriveFuelCity/Hwy/CombElectric rangeFuel cost/yrCO2 g/mi
Ioniq1.6L 4-cyl hybridAutomatic 6-speedFront-Wheel DriveRegular54/56/55 mpg—$1,200162
Ioniq Blue1.6L 4-cyl hybridAutomatic 6-speedFront-Wheel DriveRegular58/60/59 mpg—$1,150151
Ioniq ElectricElectric (100 kW AC PMSM)Single-speedFront-Wheel DriveElectricity145/121/133 MPGe170 mi
25.4 kWh/100 mi
$5500
Ioniq Plug-in Hybrid1.6L 4-cyl plug-in hybridAutomatic 6-speedFront-Wheel DriveRegular Gas and Electricity / Electricity52/51/52 mpg
119 MPGe on electricity
29 mi$1,30074

Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.

EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.

2021 Hyundai Ioniq crash-test ratings

NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.

2021 Hyundai Ioniq NHTSA 5-Star Safety Ratings
Tested vehicleOverallFrontalSideRolloverRollover riskForward collision warning
2021 Hyundai Ioniq EV 4 DR FWDNot ratedNot ratedNot ratedNot rated—Standard
2021 Hyundai Ioniq HEV 4 DR FWDNot ratedNot ratedNot ratedNot rated—Standard
2021 Hyundai Ioniq Plug-in Hybrid 4 DR FWDNot ratedNot ratedNot ratedNot rated—Standard

Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.

Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.

2021 Hyundai Ioniq owner complaints

Owners have filed 20 complaints with NHTSA about the 2021 Hyundai Ioniq, most recently on Jul 16, 2026. 0 mention a crash, 0 a fire, 0 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.

Most-cited components in 2021 Hyundai Ioniq complaints
Component named in complaintsMentions
Electrical system9
Forward collision avoidance: Adaptive cruise control5
Service brakes5
Unknown or other4
Vehicle speed control3
Back over prevention: Sensing system: Camera1
Electrical system: 12v/24v/48v battery1
Electrical system: Adas: Parking assist: Sensors1
Engine1
Fuel/propulsion system1

Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.

Had a safety problem with your vehicle? You can report it to NHTSA at nhtsa.gov/report-a-safety-problem.

Other Hyundai Ioniq model years

Hyundai Ioniq by model year
YearCombinedRecallsComplaintsOverall rating
2022 Ioniq52–59 mpg027—
2020 Ioniq52–58 mpg · 133 MPGe131—
2019 Ioniq52–58 mpg · 136 MPGe233—
2018 Ioniq52–58 mpg · 136 MPGe317—
2017 Ioniq55–58 mpg · 136 MPGe551—

All Hyundai Ioniq years compared · Decode a VIN

Other 2021 Hyundai models

Sources

  • Recalls: NHTSA recall flat file (FLAT_RCL_POST_2010), dated Oct 27, 2026, plus a live check of api.nhtsa.gov in your browser.
  • Complaints: NHTSA consumer complaint flat files (COMPLAINTS_RECEIVED), counts only — we do not republish complaint text.
  • Crash tests: NHTSA 5-Star Safety Ratings API.
  • Fuel economy: FuelEconomy.gov vehicles file (U.S. DOE and EPA), dated Sep 29, 2026.
  • NHTSA, EPA and DOE do not endorse OpenVIN. Vehicle names identify vehicles only; OpenVIN is not affiliated with Hyundai.