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Other or unknownPart report

2011 Kia Optima Other or unknown Problems

Complaints
41about this part
Share
7%of 594 total for the year
Median mileage
102,226miles
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

NHTSA recorded 41 complaints about the other or unknown of the 2011 Kia Optima, 7% of the 594 complaints for this model year. Where a mileage was given, the median is 102,226 miles. 1 of these say a crash was involved and 7 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving my car on a highway at traffic time when I noticed a small gas odor my brakes got really hard after that I pulled to the emergency lane and when I pull the handle to open my hood smoke and flames immediately came out, the car its trash now police took it to impound because of the fluids the car was leaking and safety issues.”

NHTSA complaint #11413542, filed 2021-04, 180,000 miles

“I was driving on the street at 40mph when I saw light smoke coming from under the hood I pulled over to get my two kids and myself out of the car shortly after we got out of the car flames started coming from under the hood I then called 911 for the fire department to come put the flames out when they finally did the whole car was burnt to a crisp”

NHTSA complaint #11166761, filed 2019-01, 96,453 miles

“So one of the Kia dealers in the state of maine replaced the motor in our 2011 Optima, ever since then our air conditioning system has not been working. I've had it tested and recharged. Still no acc. I have diagnosed no power to the AC pump. Also the headlights have new bulbs in low beam and are dim..??”

NHTSA complaint #11330295, filed 2020-06, 145,000 miles

“Saturday, may 5, 2018, we were driving east on I-85 in greensboro, nc when we heard what sounded like a gunshot, and then glass was raining down on us when the sunroof exploded. The sunroof had been open the entire day. It was overcast and mid 80's with low humidity. We had the sunroof tilted open and the sunshade pulled back.”

NHTSA complaint #11092053, filed 2018-05, 110,000 miles

“While driving my car it started to act sluggish so I pulled over and minutes after getting out of the car it started on fire. The fire department was called the fire was extinguished, but not before the car was a total loss”

NHTSA complaint #11165647, filed 2019-01, 180,000 miles

Other or unknown: other model years

YearComplaintsShare of year
20201812%
20194320%
20183917%
20173313%
201612316%
201514014%
20149015%
201318914%
20128810%
2011417%
201057%
200933%
200896%
200742%
200696%
200564%
2004125%
200375%
200211%
200143%

Other parts of the 2011 Kia Optima

Engine
256 complaints
Steering
100 complaints
Exterior lighting
88 complaints
Electrical system
63 complaints
Brakes
47 complaints
Air bags
31 complaints
Fuel system
26 complaints
Transmission and drivetrain
25 complaints
Body and structure
21 complaints
Vehicle speed control
19 complaints
Suspension
18 complaints
Visibility (wipers, defrost, mirrors)
11 complaints

← All problems reported for the 2011 Kia Optima

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology