Vehicle Data Hub

2020 Kia Optima problems

NHTSA has received 221 complaints about the 2020 Kia Optima, and 50% of them involve engine. Next are drivetrain & axles (12%) and electrical system (6%).

At a glance

Complaints
221 filed with NHTSA
Most reported
Engine 50% of complaints
Crashes and fires
9 and 6
Injuries and deaths
9 and 0
Typical mileage
60,000 miles 35 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Engine 50%
  • Drivetrain & axles 12%
  • Electrical system 6%
  • Fuel system 6%
  • Brakes 4%
  • Air bags 3%
  • Cruise control 3%
  • Forward collision avoidance 3%
  • Seat belts 2%
  • Lighting <1%

When problems show up

Complaints by mileage, 2020 Kia Optima Complaints by odometer reading in 20,000-mile steps. The median is about 60,000 miles. 0k to 20k miles: 10 complaints 20k to 40k miles: 3 complaints 40k to 60k miles: 4 complaints 60k to 80k miles: 3 complaints 80k to 100k miles: 4 complaints 100k to 120k miles: 4 complaints 120k to 140k miles: 4 complaints 140k to 160k miles: 1 complaints 160k to 180k miles: 1 complaints 180k to 200k miles: 1 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 60,000 miles
Based on 35 complaints that include mileage. 49% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles10
20k to 40k miles3
40k to 60k miles4
60k to 80k miles3
80k to 100k miles4
100k to 120k miles4
120k to 140k miles4
140k to 160k miles1
160k to 180k miles1
180k to 200k miles1
200k+ miles0

What the data shows

Of the 35 complaints that include odometer readings, half describe a problem before roughly 60,000 miles. For engine specifically, the median reported mileage is about 116,000 miles (15 complaints with mileage).

Safety-related details: 9 complaints mention a crash; 6 complaints mention a fire; 9 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2020 ranks 10th most-complained-about out of 20 model years of the Kia Optima with enough data (178 complaints in that window).

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

Stable track control failed to work, the driver seatbelt did not tighten & stayed loose, & air bags did not deploy upon hitting the ditch & small trees resulting after hitting ice/water upon coming to a stop sign at a “T” cross road.

February 2026 CrashInjury

It is impossible to use the brake pedal if the shoe size is us10+. The distance between the floor and the knee airbag mechanism does not allow the use of the brake pedal.

Reported at 20 miles, March 2020

The contact owns a 2020 Kia Optima. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, and the vehicle was connected to a diagnostic machine. The DTC indicated a glow relay failure. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 118,000.

Reported at 118,000 miles, February 2025

Other model years of the Optima

Best and worst years for the Kia Optima