2020 Hyundai Kona Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 09/08/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 157 complaints citing each category; one complaint can cite several. Full breakdown on the 2020 Hyundai Kona overview page.
What owners report
“My vehicle has a very rough idle-vibrating at idle or stopped and not shifting properly-gear slipping. There is sluggish acceleration or jerking and the problem…”NHTSA complaint 11647527 — filed 03/10/2025
“Vehicle has problems shifting between 1st and 2nd gear. Stutters and has issues accelerating. Has almost caused me to be hit while turning left against…”NHTSA complaint 11640412 — filed 02/03/2025
“When stopped at a light, I hit the gas and the car just sputtered. The car jolted and did not move, finally, hit the gas…”NHTSA complaint 11616081 — filed 09/23/2024
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2020 Hyundai Kona have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2020 Hyundai Kona: 20 of 157 complaints on file (12.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2020 Hyundai Kona have in total?
157 complaints were on file with NHTSA as of 09/08/2026. Across all categories, 8 involved a crash, 3 involved a fire, 12 reported injuries, and 1 reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
