2006 Pontiac Grand Prix 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 239 complaints citing each category; one complaint can cite several. Full breakdown on the 2006 Pontiac Grand Prix overview page.
What owners report
“THE TRANSMISSION IS SLIPPING AS I HAVE SEEN MANY OTHERS WITH THIS SAME COMPLAINT HOWEVER ONE DEALERSHIP SAYS THEY CANT FIND ISSUE. THEY DROVE FOR…”NHTSA complaint 10586928 — filed 05/07/2014
“THE TRANSMISSION ON MY 2006 PONTIAC GRAND PRIX GXP BEGAN TO"SLIP AROUND THE 70,000 MILE MARK AND HAS CONTINUED TO DO THIS TODAY AT 85,000.CAR…”NHTSA complaint 10579318 — filed 04/12/2014
“THE VEHICLE WITHOUT WARNING WOULD NOT DRIVE FORWARD AFTER COMING TO A COMPLETE STOP AT A STOP LIGHT. THE ENGINE WOULD REV UP BUT WOULD…”NHTSA complaint 10576589 — filed 04/02/2014
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2006 Pontiac Grand Prix have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2006 Pontiac Grand Prix: 48 of 239 complaints on file (20.1%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2006 Pontiac Grand Prix have in total?
239 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 17 involved a crash, 21 involved a fire, 22 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.
