2010 Subaru Legacy Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
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 150 complaints citing each category; one complaint can cite several. Full breakdown on the 2010 Subaru Legacy overview page.
What owners report
“CAR OFTEN SHUDDERS & STALLS WHEN COMING TO A STOP ON A CITY STREET ALSO WILL SOMETIME STALL WHEN GOING SLOW TO TURN INTO A…”NHTSA complaint 11166302 — filed 01/10/2019
“WHILE DRIVING THE CAR, IT FREQUENTLY JOLTS, MAKES A SCREECHING NOISE AND IT IS SCARY BECAUSE IT ALSO FEELS AS THOUGH IT MAY SIMPLY TURN…”NHTSA complaint 11154227 — filed 11/27/2018
“WHEN COMING TO A STOP, THE CAR WILL SOMETIMES STALL. IT ACTS LIKE IT WOULD IF YOU HAD A MANUAL TRANSMISSION AND FORGOT TO PRESS…”NHTSA complaint 11114756 — filed 07/31/2018
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2010 Subaru Legacy have transmission & power train problems?
Power Train is the most-reported problem area on the 2010 Subaru Legacy: 40 of 150 complaints on file (26.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2010 Subaru Legacy have in total?
150 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 10 involved a crash, 1 involved a fire, 8 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.