2021 Hyundai Elantra Recalls, Problems & MPG

NHTSA lists 6 safety recalls and 162 owner complaints for the 2021 Hyundai Elantra. The EPA rates it 28 to 54 MPG combined, depending on engine and drivetrain.

Recalls
6
Owner complaints
162
Crashes / fires reported
8 / 1
EPA combined
28–54 MPG

2021 Hyundai Elantra recalls

  • Back Over PreventionNov 21, 2024 · NHTSA 24V879000+

    Risk: A rearview image that does not display reduces the driver's visibility and increases the risk of a crash.

    Fix: Dealers will replace the rearview camera, free of charge. Owner notification letters were mailed January 14, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 271.

    Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe, Santa Fe HEV, Elantra, Elantra HEV and 2022 Elantra N and Santa Fe PHEV vehicles. Due to a damaged printed circuit board, the rearview camera image may fail to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

  • Seat BeltsMay 19, 2022 · NHTSA 22V354000+

    Risk: An exploding seat belt pretensioner can project metal fragments into the vehicle, strike vehicle occupants, and result in injury.

    Fix: Dealers will secure the seat belt pretensioner(s) with a cap, free of charge. Owner notification letters were mailed August 28, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 229. This recall expands and replaces NHTSA recall numbers 21V-796, 22V-069, 22V-218, and 22V-123 for Accent, Elantra, and Elantra HEV vehicles. All Accent, Elantra, and Elantra HEV vehicles already repaired under the previous recalls will need to have the new remedy completed.

    Hyundai Motor America (Hyundai) is recalling certain 2020-2022 Accent, 2021-2022 Elantra, and 2021-2022 Elantra HEV vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners may explode upon deployment.

  • Seat BeltsApr 1, 2022 · NHTSA 22V218000+

    Risk: Exploding seat belt pretensioners can project metal fragments into the vehicle, strike vehicle occupants, and result in injury.

    Fix: Dealers will replace the seat belt pretensioners, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed on May 31, 2022. A second notice will be sent once remedy parts become available. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 223. This recall is replaced by NHTSA recall number 22V-354. Vehicles already repaired under this recall will need to have the new remedy completed.

    Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Elantra and 2020 Accent vehicles. In the event of a crash, the front driver and passenger-side seat belt pretensioners may explode upon deployment.

  • VisibilityDec 28, 2021 · NHTSA 21V00M000+

    Risk: A windshield that detaches from a vehicle during a crash can increase the risk of injury.

    Fix: Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.

    Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.

  • Seat BeltsOct 13, 2021 · NHTSA 21V796000+

    Risk: An exploding seat belt pretensioner could project metal fragments into the vehicle, striking vehicle occupants and resulting in injury.

    Fix: Dealers will replace the seat belt pretensioners, free of charge. Owner notification letters were mailed February 10, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 211 and 009G. This recall is replaced by NHTSA recall numbers 22V-354 for Elantra and Elantra HEV vehicles, 22V-458 for Venue vehicles, and 23V-094 for Genesis vehicles. Elantra, Elantra HEV, Venue, and Genesis vehicles already repaired under this recall will need to have the new remedies completed.

    Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra, Elantra HEV, Venue, Genesis GV80 and 2022 Genesis GV70 vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioner(s) may explode upon deployment.

  • SeatsApr 28, 2021 · NHTSA 21V302000+

    Risk: An improperly welded seat back recliner could separate from the seat back frame during a crash, increasing the risk of injury.

    Fix: Dealers will inspect and if necessary, replace the seat back frame assembly, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Hyundai customer service at 1-888-371-9460. Hyundai's number for this recall is 204.

    Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra vehicles. The driver and front passenger seat back recliners may have been improperly welded.

Recall repairs are free. Enter your VIN at nhtsa.gov/recalls to see if yours still needs one.

Most reported 2021 Hyundai Elantra problems

Owner complaints to NHTSA by system. One complaint can name more than one system.

  • Electrical System42
  • Forward Collision Avoidance35
  • Unknown or Other33
  • Seat Belts27
  • Engine22
  • Vehicle Speed Control21
  • Service Brakes13
  • Power Train8

2021 Hyundai Elantra gas mileage

EPA ratings for each version (city / highway / combined).

VersionEngineCityHwyComb.Fuel / yr
Elantra Hybrid Blue1.6 L 4 cyl, Automatic (AM-S6)535654$1,200
Elantra Hybrid1.6 L 4 cyl, Automatic (AM-S6)495250$1,300
Elantra2.0 L 4 cyl, Automatic (AV-S1)334337$1,750
Elantra2.0 L 4 cyl, Automatic (AV-S1)314135$1,850
Elantra1.6 L 4 cyl, Automatic (AM-S7)283631$2,050
Elantra1.6 L 4 cyl, Manual 6-spd253428$2,300

Real-world mileage depends on how and where you drive. Logbay compares your actual MPG with these EPA numbers.

Questions

Does the 2021 Hyundai Elantra have any recalls?

Yes. NHTSA lists 6 recalls for the 2021 Hyundai Elantra, most recently for the back over prevention (Nov 21, 2024). Recall repairs are free at a dealer; check your VIN at nhtsa.gov/recalls.

What are the most common 2021 Hyundai Elantra problems?

Owners filed 162 complaints with NHTSA. The most reported areas are electrical system (42), forward collision avoidance (35), unknown or other (33).

What gas mileage does the 2021 Hyundai Elantra get?

The EPA rates the 2021 Hyundai Elantra at 28 to 54 MPG combined (best version: 53 city / 56 highway).

Sources: NHTSA recalls and owner complaints (api.nhtsa.gov), EPA fuel economy (fueleconomy.gov). Updated Oct 26, 2026. Complaint counts are unverified owner reports.