"How reliable is the 2011 Kia Optima?"

"Based on 767 NHTSA complaints, the 2011 Kia Optima has a median complaint mileage of 90000 miles. The most common issue is Engine."

"What are common problems with the 2011 Kia Optima?"

"The most frequently reported component in NHTSA complaints for the 2011 Kia Optima is Engine, accounting for a significant portion of the 767 total complaints filed."

2011 Kia Optima: Reliability Data

Source: NHTSA — 767 complaints

767

Total Complaints

90,000mi

Median Mileage

Engine

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

55,000 25th Percentile

90,000 Median Mileage

118,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Engine

251

Steering

Exterior Lighting

Electrical System

Unknown Or Other

Air Bags

Service Brakes

Power Train

Service Brakes, Hydraulic

Fuel/Propulsion System

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"PURCHASED A NEW 2011 VEHICLE, WHEN WE PURCHASED THE VEHICLE I WENT TO THE PARTS DEPT. AND ASK THAT THE ORDER SOME SEAT BELT EXTENDERS FOR ME. THE MANAGER SAID HE WOULD AFTER 5 WEEKS I CALLED THE PARTS DEPT. HE TOLD ME THEY HAVE NOT COME IN YET. ANOTHER WEEK GOES BY THEN I GET A CALL FROM THE REGIONA..."

"SINCE THE DAY THE CAR WAS DRIVEN OFF THE LOT, ON THE EXPRESSWAY, IT PULLED TO THE LEFT. BROUGHT IT TO THE DEALER, AND AN ALIGNMENT WAS PERFORMED. DEALER DECLARED THAT IT WAS FIXED. ON THE DRIVE HOME, THE PULL TO THE LEFT PERSISTED AS IT HAD DONE PREVIOUSLY. RETURNED THE CAR TO THE SAME SERVICE D..."

"CAR PULLS TO LEFT 100% OF THE TIME. CAR HAS BEEN INSPECTED BY KIA SERVICE AND MEETS ALL FACTORY SPECS. THIS APPEARS TO BE A DESIGN FLAW. KIA REQUIRES ALL 2011 OPTIMA'S TO BE REALIGNED PRIOR TO BEING SOLD. CUSTOMER SERVICE REP. SAID THAT ONE OF HER TEC. REPS. DRIVES A 2011 OPTIMA AND IT ALSO PULLS LE..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Engine 251 complaints

25th: 83,250 mi Median: 101,000 mi 75th: 130,000 mi

Steering 99 complaints

25th: 12,000 mi Median: 71,000 mi 75th: 98,000 mi

Exterior Lighting 81 complaints

25th: 59,000 mi Median: 83,837 mi 75th: 100,750 mi

Electrical System 60 complaints

25th: 43,428 mi Median: 85,650 mi 75th: 112,375 mi

Unknown Or Other 38 complaints

25th: 59,500 mi Median: 93,226 mi 75th: 113,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 80 GA: 71 CA: 60 TX: 58 NC: 36 IL: 31 NY: 30 MO: 29 VA: 27 OH: 26

Who Files Complaints?

0.7%

Original Owners

99.3%

Second+ Owners

Kia Optima — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2001	231	78,500	Frame And Members	26
2002	168	89,000	Suspension	28
2003	188	84,200	Latches/Locks/Linkages	10
2004	306	80,034	Latches/Locks/Linkages	14
2005	180	80,000	Latches/Locks/Linkages	7
2006	214	64,200	Air Bags	3
2007	217	79,000	Air Bags	20
2008	188	69,000	Air Bags	26
2009	166	65,000	Power Train	6
2010	98	70,000	Power Train	11
2012	1242	80,000	Engine	37
2013	1842	84,000	Engine	76
2014	767	71,500	Engine	35
2015	1370	78,500	Engine	56
2016	1029	67,278	Engine	42
2017	337	46,000	Engine	7
2018	320	41,000	Engine	12
2019	290	20,000	Engine	30
2020	182	54,540	Engine	9

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28