2005 Pontiac Grand Prix Pontiac Grand Prix 2005

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2005 Pontiac Grand Prix repairs by problem area

Engine (38%)

Transmission and Drivetrain (8%)

Brakes and Traction Control (8%)

Suspension and Steering (22%)

Electrical and Air Conditioning (16%)

Paint, Rust, Leaks, Rattles, and Trim (5%)

Other (3%)

Chart based on 63 repairs.
See TSBs and recalls for the 2005 Pontiac Grand Prix.

2005 Pontiac Grand Prix repair cost distribution

$2500+ (0%)

$1000 - $2499 (8%)

$500 - $999 (16%)

$100 - $499 (35%)

< $100 (41%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 51 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Pontiac Grand Prix

Engine not specified

Pontiac Grand Prix in Ontario, Canada
Sep 2013 - Sep 2014
Dec 2013

29760 mi

C $800
Gear shift cable broke and the brake interlock was broken as well. 
Sep 2014

32240 mi

C $400
Engine would shut down while driving resulting in loss of power steering and brakes. Dealer replaced gas pedal sensor due to diagnostic codes. While attempting to drive car home from the dealer the engine shut down again while driving Without any warning the engine would shut down while driving, resulting in loss of power steering and power brakes. This time the dealer replaced the Powertrain Control Module PCM 

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2005 Pontiac Grand Prix 4dr Sedan

supercharged 260hp 3.8L V6 4-speed automatic FWD

Pontiac Grand Prix in Indiana, United States
Feb 2014 - Jul 2015
Dec 2014

179000 mi

US $140
replaced water pump 
Pontiac Grand Prix in Kentucky, United States
Apr 2017 - Jun 2022
Jan 2018

48000 mi

US $50
replaced blower motor 
Pontiac Grand Prix in Tennessee, United States
Aug 2010 - Mar 2015
Dec 2010

78000 mi

US $5
Check engine light came on. Pushed OnStar and talked to technician. Said problem was EGR valve. Removed and cleaned EGR and vehicle running great now. 
Pontiac Grand Prix in New York, United States
Oct 2010 - Jun 2011
Nov 2010

46000 mi
replaced alternator that was making noise replaced alternantor that was making noise 

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2005 Pontiac Grand Prix 4dr Sedan

303-horsepower 5.3L V8 4-speed shiftable automatic FWD

Pontiac Grand Prix in Georgia, United States
- Jan 2011
Sep 2010

92000 mi
rebuilt transmission 
Pontiac Grand Prix in Colorado, United States
Aug 2010 - Dec 2014
Dec 2011

71000 mi

US $500
new alternator new alternator $300 for part from Rockauto. Had dealer install along w/belt for additional $200. 
Jan 2012

72 mi

US $500
wheel hub and tie rod wheel hub and tie rod replaced. Both were worn and causing looseness in the steering. 
Aug 2012

79 mi

US $70
A spring broke on the HUD module making the display itself unviewable. Had to take off several dash trim pieces, take apart the HUD and remount the spring. Rear driver window regulator broke. Plastic cable guide broke. Meineke wanted $250ish to repair w/ 1 hr labor. Purchased part on Rockauto.com for $70 and repaired myself. Super easy; 6 bolts; done in 15 minutes. A spring broke on the HUD module making the display itself unviewable. Had to take off several dash trim pieces, take apart the HUD and remount the spring. Rear driver window regulator broke. Plastic cable guide broke. Meineke wanted $250ish to repair w/ 1 hr labor. Purchased part on Rockauto.com for $70 and repaired myself. Super easy; 6 bolts; done in 15 minutes. 
Oct 2012

84000 mi

US $60
The suspension had a slight clunking. Replaced both front sway bar links, which resolved the clunking. 
Nov 2012

85000 mi

US $6
The GPS? antenna just ahead of the sunroof was leaking during bad storms. I removed the overhead lights to discover that the bolt holding it together was loose. I added a sealant to the antenna and tightened the bolt. 
Dec 2013

96000 mi

US $45
The oil pressure sensor gave a check engine light. A dealer quoted me $240 for the repair. I bought the $45 part and swapped it myself in the Autozone parking lot in the dark in under 5 minutes. 
Mar 2014

99000 mi

US $75
left rear window regulator has been making noise for quite awhile, so I replaced it. It stilled functioned fine at the time. 
Apr 2014

99700 mi

US $400
Compressor bearing was going out. Compressor was replaced Harmonic Balancer (crankshaft pulley) was out of balance. It was replaced. The labor was about 5 hours. front right wheel hub was loose. Replaced by mechanic The driver's side rear door lock mechanism was only working intermittently. It would sometimes remain locked or unlocked. Part was replaced in about 30 minutes. Water pump began leaking and spraying water everywhere. It was replaced. 
Aug 2014

103000 mi

US $130
The Electronic Brake Control Module(ECBM) went bad. $888 for a new part, but I removed it myself and shipped to repair shop for $100 to be repaired and returned. 
Pontiac Grand Prix in Wisconsin, United States
Aug 2007 - Mar 2012
Nov 2007

25690 mi
Clunk in the steering while turning the wheel at low speeds. Dealer replaced the Intermediate Steering Shaft 
Apr 2008

30318 mi
Clunk in the steering when turning the wheel at low speeds. Dealer replaced the Intermediate Steering Shaft. 
May 2008

30963 mi
Clunk noise while turning. Dealer replaced the steering rack. 
Sep 2008

35862 mi
Engine light with code P0171. Dealer repaired Oxygen sensor connector. 
Pontiac Grand Prix in Wisconsin, United States
Feb 2011 - Apr 2017
Mar 2011

98000 mi

US $50
check engine light= massive evap leak; replaced evap solenoid 50 bucks dealer part 
Mar 2012

116000 mi
went threw car wash, trans. stuck in limp mode, blew 10 amp fuse found spare in the fuse box now good to go for last 100 miles 
Sep 2012

125000 mi

US $90
abs and traction control light came on while backing out of parking space, and a short few days later a unbearable hum on the highway, one hub was bad $90 timken on ebay (however i did all four) 
Jan 2013

143200 mi

US $1700
noise coming from bellhousing some slipping going up long hills, few days later would not move or get up to speed, new torque converter, added trans cooler and a shift kit ;) 

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2005 Pontiac Grand Prix 4dr Sedan

200-horsepower 3.8L V6 4-speed automatic FWD

Pontiac Grand Prix in Quebec, Canada
Mar 2011 - Dec 2016
Jan 2014

66740 mi

C $640
muffler was changed 
May 2014

84720 mi

C $300
rear Wheel bearing 
Mar 2016

95480 mi

C $300
rear caliper 
Pontiac Grand Prix in Kentucky, United States
Aug 2015 - Jun 2017
Jun 2016

163000 mi

US $500
Replace coolant hoses 
Apr 2017

175000 mi

US $200
Replace ignition control module 
Pontiac Grand Prix in Quebec, Canada
Aug 2010 - Jun 2012
Mar 2011

90520 mi

C $350
Replaced heater/AC fan motor 
May 2011

93000 mi

C $500
Engine misfire, loss of power, engine vibration 
Sep 2011

97960 mi

C $20
Car remote not working. Replaced remote replacement rubber pad.(carandtruckremotes.com) 
Jan 2012

93860 mi

C $650
Motor not warming up. Check engine. Faulty thermostat. Check engine (P0420).Cat-converter. Declined. Will take to another shop. Trans cooler lines replaced. Trans flush and oil change. Oil and lube + 15 point check up. Injectors cleaned. 160,000km service all done. 
Apr 2012

104160 mi

C $300
Check engine light (P0420). Replaced catalytic converter and one oxygen sensor. Replaced the two mufflers (N/C warranty). 
Pontiac Grand Prix in New York, United States
- Mar 2010
Oct 2009

50516 mi

US $246
Front Speed sensor wasn't working correctly. Replaced the front hub and the problem hasn't returned. 
Pontiac Grand Prix in Nova Scotia, Canada
Aug 2010 - Apr 2012
Sep 2010

166780 mi

C $280
Coolant was leaking, some overheating problems. The waterpump was replaced and problem went away. 
Sep 2011

179800 mi
Brakes locking up and making horrible noises. Pads and Rotors need replacing, calipers need replacing, power steering pump leaking, exhaust leaking. 
Apr 2012

179800 mi
Power steering pump leaking. Calipers need replacing. Exhaust leaking. 
Pontiac Grand Prix in New York, United States
Jun 2011 - Feb 2015
Mar 2013

117000 mi

US $1500
Right front tire bearings replaced Power steering leak 
Dec 2014

132000 mi

US $1000
Steering rack and pump had to be replaces 
Pontiac Grand Prix in Minnesota, United States
Dec 2013 - Feb 2014
Dec 2013

126000 mi

US $300
Died on start up and stall and massive hiccup on acceleration especially in cold weather. Fuel Pressure Regulator fit symptoms and is incorporated into Fuel Pump. Replaced Fuel Pump. After replacement check engine light on with O2 code. 
Jan 2014

127000 mi
No heat. Flushing heater core fixed the problem. Found "clay" in hoses. A few weeks later no heat again. Flushed heater core again but didn't fix problem. Both upper and lower radiator hoses collapsing. Coolant is full. Still unresolved. 
Pontiac Grand Prix in Ontario, Canada
Dec 2010 - Apr 2011
Jan 2011

77500 mi

C $275
Ignition coil cap wore enough that it was grounding and not sending adequate voltage to plug wires causing misfires and loss of power. 
Pontiac Grand Prix in Texas, United States
Nov 2012 - Jan 2016
Feb 2015

108000 mi

US $480
Reduced engine power with Check Engine light on. 
May 2015

112000 mi

US $858
Engine lost all coolant due to defective heater pulley assembly. Brake fluid leak at rear brake calipers. 
Jan 2016

106000 mi

US $420
Stalled & died at traffic light. Replaced two ignition coil pacts and Ignision Program board. 

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2005 Pontiac Grand Prix Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2005 Pontiac Grand Prix problems occur, check out our car reliability stats.