2021 Kia K5 used buying checklist
What to check on a used 2021 Kia K5 before you pay, based on what owners report, its recalls and the repairs the maker covers. Print it and take it to the test drive.
Test for the problems owners report most
The most reported problems of this model year, with what to look for on the test drive.
- Check engine light30 owner complaints, usually around 90,000 miles
Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.
- Sudden loss of power11 owner complaints
Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.
- Fuel leak9 owner complaints
Watch for fuel smells, hard starting and the check engine light, and make sure the fuel gauge works.
Make sure these recalls were done
Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.
- Fuel system, gasolineRecall number 25V794000, Nov 17, 2025
- Air bagsRecall number 23V149000, Mar 7, 2023
- Power trainRecall number 22V760000, Oct 11, 2022
- Fuel system, gasolineRecall number 21V519000, Jul 8, 2021
- Lane departureRecall number 21V447000, Jun 14, 2021
- Air bagsRecall number 21V164000, Mar 11, 2021
Repairs the maker may still cover
Warranty extensions can cover a known problem beyond the normal warranty. Check whether this car is still within the time or mileage limit.
- Owner notification (WTY037)Aug 17, 2024
- Request for reimbursement form (WTY037)Aug 17, 2024
- Dealer principal memo (WTY037)Aug 15, 2024
- Dealer parts and service manager memo (WTY037)Aug 15, 2024
- Question and answer (WTY037)Aug 15, 2024
Service bulletins worth asking about
Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.
- Infotainment software update procedureApr 14, 2026
Before you pay
- Decode the VIN and make sure it matches the title, the registration and the car itself.
- Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
- Ask for service records, especially oil changes and any transmission fluid service.
- Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
- Have an independent mechanic inspect the car before you sign anything.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2021 Kia K5?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history