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Fuel systemPart report

2021 Kia Sportage Fuel system Problems

Complaints
2about this part
Share
4%of 54 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the fuel system of the 2021 Kia Sportage, 4% of the 54 complaints for this model year.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

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

“While driving southbound on Route 93 on 6/11/2026 during the morning commute, my 2021 Kia Sportage suddenly sputtered and lost the ability to accelerate. I was traveling about 65 mph in heavy traffic when the vehicle abruptly lost power without any warning lights or prior symptoms. As my speed dropped, I had to cross multiple lanes to reach the breakdown lane, creating a dangerous situation for me and surrounding drivers. The vehicle had to be towed to a repair shop, where I was informed that the high‑pressure fuel pump had failed and needed to be replaced. …”

NHTSA complaint #11743759, filed 2026-06

“On June 14, 2026, the driver experienced sudden rough engine running followed immediately by a flashing check engine light. The vehicle was towed to the selling dealer, which has performed all prior maintenance. The vehicle is currently at the dealership and available for inspection. Technician notes show DTC P1326 was stored — the Knock Sensor Detection System code associated with connecting rod bearing wear on Kia's Theta II engine family. The technician performed an audible knock check only (none heard) and cleared the code. …”

NHTSA complaint #11752678, filed 2026-07

Fuel system: other model years

YearComplaintsShare of year
2026414%
202512%
202445%
2023147%
202237%
202124%
202095%
2019710%
2018117%
2017246%
201697%
201575%
201486%
201392%
201272%
2011106%
200956%
200822%
200723%
200665%
20051421%
20026729%
20016227%
20009030%
19993813%
1998248%
19971810%
199624%
199535%

Other parts of the 2021 Kia Sportage

Engine
23 complaints
Other or unknown
16 complaints
Engine cooling
7 complaints
Electrical system
6 complaints
Transmission and drivetrain
4 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Exterior lighting
2 complaints
Air bags
1 complaints
Equipment
1 complaints
Lane departure
1 complaints
Body and structure
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2021 Kia Sportage

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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