MotorDeets

2021 Hyundai Ioniq Plug-in Hybrid: Recalls, Problems & MPG

Here are the deets on the 2021 Hyundai Ioniq Plug-in Hybrid: 0 recalls, 5 owner complaints and up to 52 mpg combined.

0vehicle recalls
5owner complaints
0mention a crash
52best combined mpg
2021 Hyundai Ioniq Plug-in Hybrid
Photo: Vauxford · CC BY-SA 4.0 · Wikimedia Commons. Representative photo of this generation; trim may differ.

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, 0 injuries and 0 deaths were reported.

Electrical2
Forward collision avoidance2
Brakes2
Speed control / throttle1
Other / unknown1
Seat belts1

What owners describe

The 2021 Hyundai Ioniq Plug-in Hybrid has 5 owner complaints, ranking #3 of 6 Ioniq Plug-in Hybrid model years for complaints (about average; the typical year has 4). Complaints peaked in 2022 (2 filed that year). The typical problem showed up when the car was about 3 years old, at a median of 3,400 miles. Neighboring years: 2020 (5 complaints, 0 recalls), 2022 (3 complaints, 0 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
1.6 L 4-cyl hybridAutomatic (AM-S6)Front-Wheel Drive525152Regular Gas and Electricity

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 Ioniq Plug-in 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 Ioniq Plug-in 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 Ioniq Plug-in 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 Ioniq Plug-in 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 Ioniq Plug-in Hybrid manual

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FAQ

Does the 2021 Hyundai Ioniq Plug-in Hybrid have any recalls?

NHTSA doesn't list any vehicle recalls for the 2021 Hyundai Ioniq Plug-in Hybrid. Check your VIN at nhtsa.gov/recalls to be sure.

What are the most common 2021 Hyundai Ioniq Plug-in Hybrid problems?

Owners have filed 5 complaints with NHTSA. The most-reported areas are electrical (2), forward collision avoidance (2), brakes (2).

What gas mileage does the 2021 Hyundai Ioniq Plug-in Hybrid get?

EPA ratings run up to 52 mpg combined (1.6 L, Automatic (AM-S6)), across 1 engine and transmission combos.

Where can I get a 2021 Hyundai Ioniq Plug-in 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 Ioniq Plug-in Hybrid years

201720182019202020212022