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2021 Hyundai Elantra problems: engine and transmission complaints and recalls
No elevated drivetrain complaint concentration in the available NHTSA records for the 2021 Hyundai Elantra. Engine, transmission and fuel system account for 20% of relevant complaints.
Better than 87% of the 1,790 model years we track (2010–2023).
Excludes 32 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 15%).
Does the 2021 Hyundai Elantra have engine or transmission problems?
Not as a pattern, going by owner complaints. 20 of 99 relevant complaints filed with NHTSA about the 2021 Hyundai Elantra concern the engine, transmission or fuel system (20%). For comparison, the 2020 scores 66% and the 2022 scores 30%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.
Complaints by component
The years either side
Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.
How the 2021 compares with other Hyundai Elantra years
Of the 14 Hyundai Elantra years with enough complaints to score, the 2021 is the 2nd-best on engine and transmission share (20%). The worst is the 2019 (76%), the best the 2010 (15%). By volume, the 2021 drew 131 complaints (20 drivetrain), against 259 for the 2020 and 118 for the 2022.
Hyundai Elantra years to avoid and best years →
2010 Elantra problems · 2011 Elantra problems · 2012 Elantra problems · 2013 Elantra problems · 2014 Elantra problems · 2015 Elantra problems · 2016 Elantra problems · 2017 Elantra problems · 2018 Elantra problems · 2019 Elantra problems · 2020 Elantra problems · 2021 · 2022 Elantra problems · 2023 Elantra problems
The rest of the picture on the 2021 Hyundai Elantra
- Up to 15 owner reports, with the ones about your car's own engine first.
- What to ask the seller and what to check on the test drive, for this car.
- Two cars side by side, if you are deciding between them.
What one owner reported
One of 20 drivetrain complaints. The full report shows up to 15, with quotes about the engine in the car you are looking at first.
2021 Hyundai Elantra engine and transmission recalls
No engine or transmission recalls. NHTSA lists 6 recall campaigns on the 2021 Hyundai Elantra, none of them for the engine, transmission or fuel system. A recall is the manufacturer admitting a defect and paying to fix it; whether a specific car still has one open depends on its VIN, which the full report checks. The owner complaints above are a separate record and often point at problems that never became a recall.
6 other recalls on this model year (airbags, lighting, brakes and the rest)
Source: NHTSA recall campaigns filed against this year, make and model; one of NHTSA's listings did not answer when this page was built, so the list may be incomplete. Checked October 3, 2026.
Checking one particular 2021 Hyundai Elantra? This page is about the model year. Accidents, title brands and odometer records belong to the individual car, and that is what a vehicle history report covers.
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Does the 2021 Hyundai Elantra have engine or transmission problems?
Not as a pattern, going by owner complaints. 20 of 99 relevant complaints filed with NHTSA about the 2021 Hyundai Elantra concern the engine, transmission or fuel system (20%). It describes the model year, not any one car, so an inspection still matters.
What is the most common problem with the 2021 Hyundai Elantra?
Going by NHTSA owner complaints, the most common problem filed against the 2021 Hyundai Elantra is forward collision avoidance: 32 of 131 complaints (24%) name it, followed by electrical system (30) and seat belts (27). A complaint can name more than one component, so these overlap. Engine, transmission and fuel-system complaints together make up 20% of the relevant total.
Is the 2021 Hyundai Elantra reliable?
On the engine and transmission, nothing stands out: 20% of relevant complaints filed with NHTSA concern the drivetrain, below the 33% line where we call a signal elevated. That is better than 87% of the 1,790 model years we track. Among the 14 Hyundai Elantra years we score, it ranks 2nd-best. Complaint data describes the model year, not one car, and it says nothing about trim, paint or electronics outside the drivetrain; an independent inspection still decides it.
Are there engine or transmission recalls on the 2021 Hyundai Elantra?
No. NHTSA lists 6 recall campaigns on the 2021 Hyundai Elantra, none of them for the engine, transmission or fuel system.
Which Hyundai Elantra years are better?
Among the Hyundai Elantra years we track, the 2010 (15%) has a lower engine and transmission complaint share than the 2021 (20%). Manufacturers fix things mid-generation, so the year before or after can be a different car. Every year side by side: https://thelanecheck.com/cars/hyundai-elantra
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Check a VINExperimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle. Combined across 2 body styles NHTSA files separately.