Model year guide

2021 Hyundai Ioniq

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2021 Hyundai Ioniq is worth — from official NHTSA and EPA data. 317 on record.

2021 Hyundai Ioniq — representative photo
Representative photo

2021 Hyundai Ioniq at a glance

Safety recallsNone
Combined55 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2021 Hyundai Ioniq recalls 0

No NHTSA safety-recall campaigns are on record for the 2021 Hyundai Ioniq.

Source: U.S. NHTSA, checked 8 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2021 Hyundai Ioniq MPG & running costs

Combined55 mpg
City54 mpg
Highway56 mpg
Est. annual fuel cost$1,200
EPA size classLarge Cars
TransmissionAutomatic (AM-S6)
Engine start-stopYes
Passenger volume96 cu ft
Cargo volume27 cu ft
5-yr fuel cost vs average new car$6,000 less

Source: U.S. EPA / DOE fueleconomy.gov.

Estimated 5-year cost to own

A rough guide to what running a 2021 Hyundai Ioniq costs over five years and 75,000 miles.

Fuel (5 yrs)$6,000
Fuel only$6,000
Per mile$0.08

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Dimensions & weight

Length
176.0 in
Width
71.7 in
Height
57.1 in
Wheelbase
106.3 in
Curb weight
3,020–3,371 lb
Front track
61.4 in
Rear track
62.2 in

Manufacturer-reported figures for the 2021 Hyundai Ioniq — ranges cover the 3 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.

Investigations & service bulletins

NHTSA defect investigations 1

Pedestrian alert sounds Closed

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that…

NHTSA #DP22005 · Electrical System · opened Jan 2023 · closed Aug 2023

An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.

Manufacturer service bulletins 26

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 26.

Some vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin outlines the combustion chamber cleaning procedure for vehicles diagnosed with this condition. All internal combustion engines consum…

Bulletin 26-EM-016H TSB · Engine · Oct 2026

Certain vehicles equipped with internal combustion engines may exhibit higher-than-expected engine oil consumption. This bulletin provides the inspection and repair procedures for vehicles exhibiting this condition. All internal combustion engines consume engi…

Bulletin 26-EM-015H TSB · Engine · Oct 2026

The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not suppl…

Bulletin DTN DL · Air Bags · Apr 2026

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been iden…

Bulletin DTN DCS · Air Bags · Apr 2026

This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lam…

Bulletin 25-BD-012H TSB · Exterior Lighting · Nov 2025

This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.

Bulletin 25-BE-020H TSB · Electrical System · Sep 2025

This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2024 2nd Navigation Map and Software Update Impr…

Bulletin 25-BE-002H TSB · Electrical System · May 2025

Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connectio…

Bulletin 25-01-024H-1 TSB · Electrical System · May 2025

Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remote commands, or other…

Bulletin 25-01-024H EM · Electrical System · Apr 2025

Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connectio…

Bulletin 25-01-024H TSB · Electrical System · Mar 2025

Source: NHTSA Office of Defects Investigation, listed for the IONIQ PLUG-IN HYBRID FWD. Model-year data, not specific to one car.

About the Hyundai Ioniq

The Hyundai Ioniq is a compact car which was manufactured and marketed by Hyundai from 2016 to 2022. A five-door liftback, it is marketed as the first Hyundai automobile to be offered without a standard internal combustion engine, but rather sold in hybrid, plug-in hybrid, and all-electric variants.

From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.

2021 Hyundai Ioniq vehicles on record

Other Hyundai Ioniq model years

2021 Hyundai Ioniq — frequently asked questions

Does the 2021 Hyundai Ioniq have any safety recalls?

NHTSA lists no safety-recall campaigns for the 2021 Hyundai Ioniq. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2021 Hyundai Ioniq get?

The 2021 Hyundai Ioniq has a U.S. EPA estimate of 55 mpg combined (54 city / 56 highway).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.