2021 KIA RIO Problems, Complaints & Recalls

Source: NHTSA · Updated Dec 28, 2025 · 15 owner complaints analyzed

Compared with other RIO years
Far fewer complaints than other years 21st of 24 for complaints
NHTSA crash rating
Not rated

Owners have filed 15 complaints with NHTSA about the 2021 KIA RIO. That ranks 21st out of 24 RIO model years for complaints. The most reported problem area is unknown or other (6 complaints, 40%). Complaints mention 2 crashes. There are 2 safety recalls covering this model year.

KIA RIO
2017 Kia Rio (YB) S 5-door hatchback. Photographed in Fremantle, Western Australia , Australia.. Representative photo; appearance varies by model year. Photo: EurovisionNim, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2021 KIA RIO problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Unknown or Other6
Steering4
Service Brakes3
Engine2
Power Train2
Back Over Prevention1
Electrical System1
Fuel/propulsion System1
Lane Departure1
Seat Belts1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Unknown or Other640%———
Steering427%———
Service Brakes320%———
Engine213%———
Power Train213%———
Back Over Prevention17%———
Electrical System17%———
Fuel/propulsion System17%———
Lane Departure17%———
Seat Belts17%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2022, with 6 complaints
2021: 1202112022: 6202262023: 6202362025: 220252

n = 15 complaints · Source: NHTSA

2021 KIA RIO recalls (2)

Tap a recall to see the problem, the risk and the fix.

Steering:columnMay 5, 2022 · NHTSA campaign 22V304000 · 30 vehicles

Problem: Kia Motors America (Kia) is recalling certain 2021-2022 Rio and Forte vehicles. A bolt in the steering column may not be secured properly, which can cause the steering column to detach from the steering rack and result in a loss of steering control.

Risk: Loss of steering control can increase the risk of a crash.

Fix: Dealers will tighten the lower steering column u-joint retention bolt, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC235.

Service brakes, hydraulic:foundation components:master cylinderDec 1, 2021 · NHTSA campaign 21V936000 · 87 vehicles

Problem: Kia Motors America (Kia) is recalling certain 2020-2021 Rio vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.

Risk: Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.

Fix: Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed January 11, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC223.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Back up camera sometimes flips sides, so that obstacles on the right side of the car are shown on the left side of the camera screen. Sometimes the camera doesn't work at all.

Unknown or Other · received Dec 28, 2025 · NHTSA complaint 11707375

Steering Gear Assembly completely broke at 81,000 miles. My daughter was backing up in a busy street at 5pm and lost 100 percent of steering control. Lucking cars dodged her and she didn’t get hurt or worse.

Steering · received May 14, 2025 · NHTSA complaint 11660866

Placed car in park got out to open a gate. Car took off forward even when shifter was in Park Position and almost ran a child over.

Power Train · received Nov 14, 2023 · NHTSA complaint 11555136

Center Console Display blank (screen black) upon startup unable to see cameras and backing up affected creating safety concern.

Electrical System · received Aug 24, 2023 · NHTSA complaint 11540589

seatbelts in rear are inoperable/anti theft not working. Kia dealership told me that its not their issue about the anti theft. I have been told on 3 separate occasions that my seatbelts have been ordered but they haven’t!!!! No one is following up with me, when I call I get told “until they can…

Seat Belts · received May 2, 2023 · NHTSA complaint 11520150

Other KIA RIO years

← 2020 RIO · 2022 RIO →

See all KIA RIO problems by year, every KIA model, or the KIA VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 KIA RIO?

Owners most often report unknown or other, steering, service brakes problems. The top one, unknown or other, accounts for 6 complaints.

Was there a recall on the 2021 KIA RIO?

Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 KIA RIO a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other RIO model years, the 2021 has far fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.