Letter below was sent to Hyundai corporate 7 Feb 22. They replied I should work with my Dealership to resolve the issue. Dealership cannot duplicate the fault. Vehicle has 7 speed DCT and currently has about 40k miles. "SUBJECT: 2020 Hyundai Kona DCT disengages and/or makes loud banging noise upon normal acceleration from standing stop. Occurrence is random but more prevalent in warm…
2020 Hyundai Kona powertrain problems
severe 17 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Complaints
17
Recalls
0
Avg fix
$2,500
1fire
What stands out
Of the 8 model years of Hyundai Kona we track for powertrain problems, this one carries the most owner complaints on file — 17.
What owners are reporting 4 most recent
For the last 2 weeks I’ve been hearing weird engine noises. Like metal pieces being grinded. The car has issues accelerating. Will not change gears properly causing the car to redline on the tachometer. Just today I hear noises a lot more frequently and as I’m driving and coming to a slow turn the car stalled out on me. I quickly put the car in park and started the car and it started back up. But…
The timing system was repaired in February 2025. After similar symptoms of vehicle stalling, the check engine light came on Found a software update that needed to be completed to determine if engine needed replaced. Dealership has refused for seven weeks to complete the entire job of the update which includes running a diagnostic of codes. Instead, they have been arguing that the timing system…
Vehicle hesitates and does not accelerate from a complete stop, then jerks and changes into 2nd gear. Same hesitation and lack of power to accelerate occurs at 3rd gear. Causes a near accident when the car would not accelerate as I pulled into normal traffic
Had powertrain trouble with your 2020 Hyundai Kona?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2020 Hyundai Kona?
It's a meaningful issue. 17 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Based on the 17 complaints filed, powertrain issues most often appear around 62,667 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2020/Hyundai/Kona.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.