MotorDeets

2021 Hyundai Elantra Hybrid: Recalls, Problems & MPG

Here are the deets on the 2021 Hyundai Elantra Hybrid: 4 recalls, 29 owner complaints and up to 50 mpg combined.

4vehicle recalls
29owner complaints
0mention a crash
50best combined mpg
2021 Hyundai Elantra Hybrid
Photo: Charles from Port Chester, New York · CC BY 2.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

4 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Seat belts, Seat belts Vehicle recall #21V796000 · 2021 · 978 vehicles

What's wrong: In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioner(s) May explode upon deployment.

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

The fix: Dealers will replace the seat belt pretensioners, free of charge. Owner notification letters were mailed February 10, 2022.

Seat belts, Seat belts Vehicle recall #22V354000 · 2022 · 230,233 vehicles

What's wrong: In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners May explode upon deployment.

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

The fix: Dealers will secure the seat belt pretensioner(s) with a cap, free of charge. Owner notification letters were mailed August 28, 2022.

Speed control / throttle, Electrical Vehicle recall #23V589000 · 2023 · 37,997 vehicles

What's wrong: A software error in the motor control unit May cause unintended vehicle acceleration after the brake pedal is released.

Why it matters: Unintended vehicle acceleration can increase the risk of a crash.

The fix: Dealers will update the motor control unit software, free of charge. Owner notification letters were mailed September 29, 2023.

Backup camera Vehicle recall #24V879000 · 2024 · 226,118 vehicles

What's wrong: 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."

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

The fix: Dealers will replace the rearview camera, free of charge. Owner notification letters were mailed January 14, 2025.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 0 injuries and 0 deaths were reported.

Electrical11
Speed control / throttle10
Engine8
Brakes5
Other / unknown4
Forward collision avoidance3
Fuel & propulsion3
Suspension1

What owners describe

The 2021 Hyundai Elantra Hybrid has 29 owner complaints, ranking #3 of 6 Elantra Hybrid model years for complaints (about average; the typical year has 22). Complaints peaked in 2023 (12 filed that year). The typical problem showed up when the car was about 2 years old, at a median of 17,325 miles. Neighboring years: 2022 (40 complaints, 4 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
1.6 L 4-cyl hybridAutomatic (AM-S6)Front-Wheel Drive495250Regular

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2021 Hyundai Elantra Hybrid.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
Check 2021 Hyundai Elantra Hybrid manual
Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
Check 2021 Hyundai Elantra Hybrid manual
ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
Check 2021 Hyundai Elantra Hybrid manual
Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2021 Hyundai Elantra Hybrid manual

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FAQ

Does the 2021 Hyundai Elantra Hybrid have any recalls?

Yes. NHTSA lists 4 vehicle recalls for the 2021 Hyundai Elantra Hybrid. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2021 Hyundai Elantra Hybrid problems?

Owners have filed 29 complaints with NHTSA. The most-reported areas are electrical (11), speed control / throttle (10), engine (8).

What gas mileage does the 2021 Hyundai Elantra Hybrid get?

EPA ratings run up to 50 mpg combined (1.6 L, Automatic (AM-S6)), across 1 engine and transmission combos.

Where can I get a 2021 Hyundai Elantra Hybrid repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Elantra Hybrid years

202120222023202420252026