2018 Hyundai Tucson Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/12/2026
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 384 complaints citing each category; one complaint can cite several. Full breakdown on the 2018 Hyundai Tucson overview page.
What owners report
“The vehicle almost stalls and doesn't want to take off 1st thing in the morning then suddenly it accelerates abruptly well above the amount of…”NHTSA complaint 11440075 — filed 11/10/2021
“About 6 months of owning this vehicle, I started noticing while sitting in traffic that when letting off of the brake the car would start…”NHTSA complaint 11437991 — filed 10/24/2021
“Hyundai has historically had an issue with the dual-clutch transmission and the vehicle is available for inspection upon request. The vehicle frequently shutters / shakes…”NHTSA complaint 11437551 — filed 10/20/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2018 Hyundai Tucson have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2018 Hyundai Tucson: 100 of 384 complaints on file (26%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2018 Hyundai Tucson have in total?
384 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 13 involved a crash, 9 involved a fire, 10 reported injuries, and none 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.
