2014 GMC Terrain 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 296 complaints citing each category; one complaint can cite several. Full breakdown on the 2014 GMC Terrain overview page.
What owners report
“WE BOUGHT OUR TERRAIN BRAND NEW IN 2014, I HAVE REPLACED THE LINKAGE ONCE ABOUT 2 MONTHS AGO AND NOW THE WIPERS DO NOT WORK…”NHTSA complaint 11280693 — filed 11/17/2019
“2014 GMC TERRAIN WITH 66,000 MILES STALLING OUT WHEN SLOWING/STOPPING, LOW ACCELERATION, LOUD ENGINE. DEALER SAYS OIL IS LOW WHEN IT WAS JUST REPLACED 2…”NHTSA complaint 11269424 — filed 10/18/2019
“1) BRAKES HAVE ALWAYS RUBBED & GRABBED REALLY HARD WHEN APPLIED. ALMOST LIKE THEY ARE DEFECTIVE ROTORS. HARD TO STOP FAST. I NOTICE THEY RECALLED…”NHTSA complaint 11258200 — filed 09/25/2019
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2014 GMC Terrain have transmission & power train problems?
Power Train is the #3 most-reported problem area on the 2014 GMC Terrain: 31 of 296 complaints on file (10.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2014 GMC Terrain have in total?
296 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 7 involved a crash, 2 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.
