2021 Hyundai Sonata Hybrid: Recalls, Problems & MPG
Here are the deets on the 2021 Hyundai Sonata Hybrid: 0 recalls, 55 owner complaints and up to 47 mpg combined.
Recalls
No recalls on file for this model year. Still worth a VIN check.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 2 injuries and 0 deaths were reported.
What owners describe
- Electrical (25): the most common themes are electrical failure (22), door / lock issues (7), stalls / loses power (3).
- Engine (21): the most common themes are leaks (9), overheating (8), electrical failure (8).
- Other / unknown (7): the most common themes are electrical failure (3).
- Fuel & propulsion (5): the most common themes are electrical failure (4).
The 2021 Hyundai Sonata Hybrid has 55 owner complaints, ranking #6 of 16 Sonata Hybrid model years for complaints (about average; the typical year has 50). Complaints peaked in 2024 (22 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 28,273 miles. Neighboring years: 2020 (16 complaints, 1 recalls), 2022 (19 complaints, 0 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 2.0 L 4-cyl hybrid | Automatic (AM-S6) | Front-Wheel Drive | 45 | 51 | 47 | Regular |
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 Sonata Hybrid.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2021 Hyundai Sonata Hybrid have any recalls?
NHTSA doesn't list any vehicle recalls for the 2021 Hyundai Sonata Hybrid. Check your VIN at nhtsa.gov/recalls to be sure.
What are the most common 2021 Hyundai Sonata Hybrid problems?
Owners have filed 55 complaints with NHTSA. The most-reported areas are electrical (25), engine (21), other / unknown (7).
What gas mileage does the 2021 Hyundai Sonata Hybrid get?
EPA ratings run up to 47 mpg combined (2.0 L, Automatic (AM-S6)), across 1 engine and transmission combos.
Where can I get a 2021 Hyundai Sonata 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.