Skip to content
Fuel systemPart report

2011 Kia Optima Fuel system Problems

Complaints
26about this part
Share
4%of 594 total for the year
Median mileage
86,500miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 26 complaints about the fuel system of the 2011 Kia Optima, 4% of the 594 complaints for this model year. Where a mileage was given, the median is 86,500 miles. 1 of these say a crash was involved and 4 a fire, according to the filers.

Example complaints

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

“When I go to fill up with fuel it won't allow me to pump but very little fuel before it spills out. I have to put very little in at a time before the pump clicks off. I haven't been able to completely fill up my tank since may without it taking 45 mins or so and it spilling out. I was parked at the gas station when this happened, with the car off.”

NHTSA complaint #11396380, filed 2021-02, 170,000 miles

“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

“Bought the car january of 2018.28 days of having the vehicle and I got a flat tire and come to find out my strut was never properly installed and thats what popped my tire.dan obrien tried to deny having a warranty to fix the car saying it was my fault.it was covered under warranty. I had to buy the new tire. When the recall for the engine came out,I took my car right in. They passed it. …”

NHTSA complaint #11219262, filed 2019-06, 101,700 miles

“Takata recall as soon as I turn the key the airbag light shows up, steady. It is on all the time, whether I am stationary or in motion. I have no idea if the airbags even work. There are also issues with the electrical system as the door often unlocks on its own, alarm goes off on it's own, lights flash inside every time I make a turn, left or right and the radio spazzes out”

NHTSA complaint #10979742, filed 2017-04, 84,000 miles

“Takata recall I was driving about 65mph on I-95 south back home to fl from visiting my family in sc when I started to smell gasoline fumes in my moving vehicle. I woke my girlfriend up and asked if she smelt it as well. She stated 'yeah, I can smell gas a little bit.' then I rolled the window down and the smell became extremely strong. I started to feel light headed and took the immediate exit (exit 33). I pulled into an exxon station and parked my vehicle. …”

NHTSA complaint #11176280, filed 2019-02, 89,843 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
2020139%
2019188%
2018136%
2017229%
2016628%
2015566%
2014488%
20131239%
2012546%
2011264%
201011%
200911%
200853%
200732%
200696%
2005107%
2004104%
2003129%
200266%
200132%

Other parts of the 2011 Kia Optima

Engine
256 complaints
Steering
100 complaints
Exterior lighting
88 complaints
Electrical system
63 complaints
Brakes
47 complaints
Other or unknown
41 complaints
Air bags
31 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 29, 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