Vehicle Data Hub

2004 Kia Optima problems

NHTSA has received 306 complaints about the 2004 Kia Optima, and 26% of them involve latches & locks. Next are electrical system (15%) and body & structure (14%).

At a glance

Complaints
306 filed with NHTSA
Most reported
Latches & locks 27% of complaints
Crashes and fires
14 and 4
Injuries and deaths
10 and 0
Typical mileage
80,000 miles 251 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%.

When problems show up

Complaints by mileage, 2004 Kia Optima Complaints by odometer reading in 20,000-mile steps. The median is about 80,000 miles. 0k to 20k miles: 36 complaints 20k to 40k miles: 15 complaints 40k to 60k miles: 25 complaints 60k to 80k miles: 42 complaints 80k to 100k miles: 46 complaints 100k to 120k miles: 37 complaints 120k to 140k miles: 32 complaints 140k to 160k miles: 12 complaints 160k to 180k miles: 5 complaints 180k to 200k miles: 1 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 80,000 miles
Based on 251 complaints that include mileage. 30% 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 miles36
20k to 40k miles15
40k to 60k miles25
60k to 80k miles42
80k to 100k miles46
100k to 120k miles37
120k to 140k miles32
140k to 160k miles12
160k to 180k miles5
180k to 200k miles1
200k+ miles0

What the data shows

Of the 251 complaints that include odometer readings, half describe a problem before roughly 80,000 miles. For latches & locks specifically, the median reported mileage is about 92,000 miles (75 complaints with mileage).

Safety-related details: 14 complaints mention a crash; 4 complaints mention a fire; 10 injuries reported.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2004 ranks 15th most-complained-about out of 20 model years of the Kia Optima with enough data (90 complaints in that window). It is also covered by 1 safety recall campaign.

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.

Tl*the contact owns a 2004 kia optima. The contact was traveling at speeds of 15 MPH in rainy weather. The vehicle ahead of him stopped suddenly. The contact was unable to stop the vehicle and crashed into the rear of the preceding vehicle. The air bags did not deploy upon impact. The contact was injured. A police report was filed. The contacts vehicle was destroyed. The failure and current mileages were 82,500.

Reported at 82,500 miles, March 2010 CrashInjury

Tl* the contact owned a 2004 kia optima. While driving at an unknown speed, an abnormal clicking noise emitted from the vehicle. The power steering failed and the wheels shook violently. The brakes failed to stop the vehicle and it crashed into a wall. The air bags deployed and an unknown substance emitted into the contacts eyes. The contact sustained burns to the body and lacerations to both eyes that required medical attention. A police report was filed. The vehicle was towed and deemed destroyed.

September 2015 CrashInjury

Tl*the contact owns a 2004 kia optima. The contact stated that the check engine light illuminated. The vehicle was taken to an authorized dealer where the contact was informed that the failure was a gas fume leak and the accelerator sensor needed to be replaced because it caused the vehicle to accelerate and decelerate without warning. The failure mileage was approximately 100,000. The current mileage was 129,548.

Reported at 100,000 miles, March 2010

Tl*the contact owns a 2004 kia optima. While driving approximately 10 MPH, an extremely loud sound of metal to metal emitted outside of the vehicle. The contact drove onto the emergency lane and noticed the front driver's side suspension and frame completely fractured due to rust corrosion. The vehicle was towed to the residence. The failure was associated with recall NHTSA campaign id number 09v183000 (suspension: front); however, the VIN was not included. The vehicle was not repaired.

Reported at 85,854 miles, June 2011

Other model years of the Optima

Best and worst years for the Kia Optima