kia K5 problems
0 safety recalls. 140 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I've took my lease vehicle too dealer for the same problem 3 time car shake no matte what speed check engine light flashes code P0302 cylinder 2 misfire
TRANSMISSION REQUIRES TOTAL REPLACEMENT WITHIN 5 DAYS OF PURCHASE OF NEW CAR. VEHICLE WAS PARKED WHEN TRANSMISSION FLUID LEAK WAS DISCOVERED. IT WAS DRIVEN BACK TO THE DEALER, WHICH IS NEARBY, BUT THIS EXPERIENCE HAS SHAKEN OUR FAITH IN THE SAFETY AND BUILD QUALITY OF THIS…
Blower motor stops working, have to take fuse box cover off and move fuse assembly to regain function of blower motor. Replacing fuse only helped for a couple of months.
Ever since I bought my car in July of 2025 cash I’ve been having issues. Shortly after purchasing my car began to stall , lose power repeatedly. I then took to southwest kia in Dallas they told me I had contaminated gas. They charged me $2,000 to clean my fuel lines , replace…
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2021 Kia K5 reliable?
Mostly yes. With a reliability score of 7.6 out of 10 based on 140 owner complaints filed with NHTSA, the 2021 Kia K5 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2021 Kia K5?
Based on NHTSA records, the most-reported issue is electrical, with 36 complaints filed. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Kia K5 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2021 Kia K5?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 140 complaints on file and the costliest repair averaging $1,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.