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2020 Kia Rio problems: engine and transmission complaints and recalls

HIGH COMPLAINT SIGNAL
43%
10 of 23 relevant owner complaints are about the engine, transmission or fuel system

43% of relevant owner complaints filed with NHTSA on the 2020 Kia Rio are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.

Worse than 53% of the 1,789 model years we track (2010–2023).

Excludes 4 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 37%).

NHTSA data checked October 3, 2026
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Does the 2020 Kia Rio have transmission problems?

Owner complaints say yes, as a model-year pattern. 10 of 23 relevant complaints filed with NHTSA about the 2020 Kia Rio concern the engine, transmission or fuel system (43%), and the largest group is filed under power train (5). On a test drive, check for shuddering, slipping, delayed or harsh shifts, or a whine at speed. 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.

Drivetrain complaints
10
engine, transmission, fuel
Total complaints
27
this model year
Fires reported
5
owner-reported
Recall campaigns
1
3 crashes · 1 injuries

Complaints by component

UNKNOWN OR OTHER8 · 30%
ELECTRICAL SYSTEM5 · 19%
POWER TRAIN5 · 19%
ENGINE5 · 19%
STEERING4 · 15%
SERVICE BRAKES3 · 11%

The years either side

2010
44%
7 of 26
2011
too few complaints
2012
64%
29 of 54
2013
52%
61 of 153
2014
67%
30 of 52
2015
60%
28 of 52
2016
62%
43 of 77
2017
43%
12 of 31
2018
67%
16 of 28
2019
too few complaints
2020
43%
10 of 27
2021
too few complaints
2022
too few complaints
2023
too few complaints

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Other subcompact cars with no elevated signal in 2020

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

POWER TRAIN03/17/2026
The contact owns a 2020 Kia Rio. The contact stated that while coming to a stoplight, the vehicle unexpectedly stalled. There was no warning light illuminated. The vehicle did not need to be restarted. The vehicle was taken to the dealer; however, the vehicle was not diagnosed or repaired. The contact was informed by t…
POWER TRAIN06/09/2025
I was driving up a hill and it would not go past 20-30 mph, and the rpm will sometimes go up when not accelerating. The transmission does not shift when driving and will sometimes make the car stop and go stop and go continuously. Tried accelerating but the rpm would go up while the mph would not.
ENGINE10/27/2024
Recall SC223 Brake master cylinder. Rough metal edges can pinatrate Seals causing leaks poor braking functionality. NHTSA Capaign ID# 21V936000. Nov.30th.2021, 87 vehicles effected. Clay Cooley kia refused to honor the recall and fix the problem with my vehicle on 10/25/2024. Recall on the catalytic converters. Rec…

Three of 10 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Recall campaigns on the 2020 Kia Rio (1)

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
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…

This does not say whether a particular car has an open, unrepaired recall. That depends on the VIN.

Before you buy a 2020 Kia Rio

Questions people ask about the 2020 Kia Rio

Does the 2020 Kia Rio have transmission problems?

Owner complaints say yes, as a model-year pattern. 10 of 23 relevant complaints filed with NHTSA about the 2020 Kia Rio concern the engine, transmission or fuel system (43%). Before buying one, have an independent mechanic check the transmission and ask the seller whether it has been repaired or replaced.

Are there engine or transmission recalls on the 2020 Kia Rio?

NHTSA lists 1 recall campaign on the 2020 Kia Rio. Whether a specific car still has one open depends on its VIN.

Which Kia Rio years are better?

The 2020 has the lowest engine and transmission complaint share of the Kia Rio years we track (43%). The other years run higher.

Should I buy a 2020 Kia Rio?

That depends on the car in front of you, not just the model year. The 2020 Kia Rio has an elevated transmission complaint pattern, so treat it as a car that needs proof: service records showing transmission work, a cold-start test drive, and an independent pre-purchase inspection focused on the transmission. A well-kept or already-repaired example can be a fine car; an unknown one is a gamble.

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Experimental 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.