2019 Subaru Ascent Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 11/01/2026
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 443 complaints citing each category; one complaint can cite several. Full breakdown on the 2019 Subaru Ascent overview page.
What owners report
“WHEN TRYING TO ACCELERATE AROUND A TRUCK ON A HIGHWAY, THE CAR REFUSED, FELT LIKE IT WAS GOING TO STALL AND EVERY LIGHT ON THE…”NHTSA complaint 11331614 — filed 06/29/2020
“CHECK ENGINE LIGHT - DIAGNOSIS ' VEHICLE LOSES POWER AFTER RAPID ACCELERATION ABOVE 45MPH. A WHOOSHING SOUND OCCURS AND THEN ACCELERATION IS LIMITED. ALL WARNING…”NHTSA complaint 11307822 — filed 02/07/2020
“IN LOW SPEED WHEN WANTING INCREASE SPEED, THE ENGINE LOSES POWER AND BRIEFLY SPUTTERS AND THEN RECOVERS AND ACCELERATES. USUALLY HAPPENS WHEN TRYING TO ACCELERATE…”NHTSA complaint 11296891 — filed 01/03/2020
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2019 Subaru Ascent have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2019 Subaru Ascent: 88 of 443 complaints on file (19.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2019 Subaru Ascent have in total?
443 complaints were on file with NHTSA as of 11/01/2026. Across all categories, 10 involved a crash, 6 involved a fire, 8 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.
