2008 GMC Acadia 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 853 complaints citing each category; one complaint can cite several. Full breakdown on the 2008 GMC Acadia overview page.
What owners report
“I HAVE HAD THE RACK & PINION STEERING RACK REPLACED 2 TIMES SINCE I'VE OWNED THE VEHICLE (BOUGHT NEW IN JULY 2008) DEALERSHIP REPLACED BOTH…”NHTSA complaint 10461007 — filed 06/08/2012
“MY POWER STEERING GROANS AND MOANS WHEN TURNING AT LOW SPEEDS. TURNING THE WHEEL IS VERY DIFFICULT EVEN FOR ME BEING A MALE. THE NOISE…”NHTSA complaint 10415053 — filed 07/25/2011
“PURCHASED A 2008 GMC ACADIA SLE ON OCT. 23, 2008. TOOK IT TO THE DEALER ON NOV. 20, 2008 BECAUSE "CHECK ENGINE" LIGHT CAME ON…”NHTSA complaint 10249608 — filed 11/23/2008
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2008 GMC Acadia have transmission & power train problems?
Power Train is the most-reported problem area on the 2008 GMC Acadia: 266 of 853 complaints on file (31.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2008 GMC Acadia have in total?
853 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 22 involved a crash, 13 involved a fire, 38 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.
