With my looking at purchasing one of these cars, I'd like to know why former owners parted with their GXP. As has been mentioned in so many other threads, upkeep on these cars seems to be a premium thing. So, was your car too much of a problem child to handle? Did the head gasket issue break your back with the last straw? Were there too many little things constantly going wrong to enjoy the car? How many have had one that was mostly trouble-free outside of usual maintenance?
I have always loved these cars and I am still compelled to own one, but the bigger question is am I really ready for what I'm thinking?
Thanks guys!
Why did you sell or keep your GXP?
- Ghosthawk
- Posts like an L27

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Why did you sell or keep your GXP?
2004 Bonneville SLE "Bonnie the Ghosthawk" or the 4dr Firebird...Gone but not forgotten

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- Ghosthawk
- Posts like an L27

- Posts: 698
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- Year and Trim: 2004 SLE
- Location: Virginia
Re: Why did you sell or keep your GXP?
This thread is a similar topic, so if you posted here already, thanks. I was hoping for additional feedback...especially regarding the engine ills.
http://www.pontiacbonnevilleclub.com/fo ... 50963.html
http://www.pontiacbonnevilleclub.com/fo ... 50963.html
2004 Bonneville SLE "Bonnie the Ghosthawk" or the 4dr Firebird...Gone but not forgotten

The Blog, http://www.tobthebat.wordpress.com
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- CMNTMXR57
- Certified Bonneville Nut

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- Year and Trim: 2006 STS-V, 2004 GTO, 2009 G8 GT
- Location: CHICAGO
Re: Why did you sell or keep your GXP?
Mine was getting to be a PITA. But I really got rid of it more so because I had always wanted a V-series Cadillac. I REALLY wanted a CTS-V, but I needed the rear seat space for my two critters and the CTS was a little too cramped. So I started looking at STS-V's and found one.
I also had G8 GXP's on the list, but then, much as the same today, you can't buy a low mileage used example on the cheap unless it has a chit ton of mileage on it. They are just holding their value too darn well.
I also had G8 GXP's on the list, but then, much as the same today, you can't buy a low mileage used example on the cheap unless it has a chit ton of mileage on it. They are just holding their value too darn well.

Retired Bonneville Owner and former GM Tech:
2004 Pontiac Bonneville GXP: Black/Ebony *SOLD*
Summer Toys: Combined 827 RWHP / 877lb/ft RWTQ
2004 Pontiac GTO: Impulse Blue Metallic/Black/M6: lots 'o mods, 415 RWHP / 405lb/ft RWTQ!
2006 Cadillac STS-V: Light Platinum Metallic/Light Gray/A6 - Spectre CAI, Magnaflow exhaust, Speed Inc. tune, 412 RWHP / 472lb/ft RWTQ
Daily Drivers:
2019 Chrysler Pacifica Limited: Mommy's new RGC
2015 Chrysler Town & Country Limited Platinum: Kids new RGC
2011 Camaro SS
2009 Pontiac G8 GT: L76, Sport Red Metallic
2004 GMC Sierra 2500HD: Victory Red - 8.1L Big Block and Allison
2003 Chevrolet Suburban 2500: Doeskin Tan - 8.1L Big Block... RIP
1999 Chevrolet Suburban: Sunset Gold Metallic - RIP
-
ddalder
- Resident Gearhead

- Posts: 2599
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- Year and Trim: 2004 GXP, 2008 STS, 2020 XT6
- Location: Alberta, Canada
Re: Why did you sell or keep your GXP?
Still have mine and I love it. To date, the only real "engine" problem I've had (other than the usual leaks) was bad coolant crossover gaskets. This was a fairly common problem and not all that bad to rectify. I had a transmission problem when the car was still fairly new. It was repaired under warranty and they never did really clarify what the issue was. I know it got some new parts though.
I've had many other "smaller" problems (relatively speaking), but I'm also incredibly, super ultra picky. Anything that even hints it may be a problem gets replaced or repaired. These items are typically common to every Bonneville trim level and have nothing to do with it being a GXP.
I've had many other "smaller" problems (relatively speaking), but I'm also incredibly, super ultra picky. Anything that even hints it may be a problem gets replaced or repaired. These items are typically common to every Bonneville trim level and have nothing to do with it being a GXP.

Bose Luxury Sound System w/Touch Screen Navigation, Addition of Factory XM, 2005 MY Antenna, OnStar Upgrade (3G),
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Turn Signal Mirrors, Center Console Courtesy Lamp, Rear Outboard Heated Seats, PVD Chrome 18" Factory Rims, Upgraded
Carbon Fibre Appearance Interior Trim, Highly Modified Main Body Harness, Instrument Panel, Door, Door Panel & Headliner
Wiring Harnesses, Custom Fuse Box & Tire and Loading Information Decals, Additional Acoustic Insulation[/size][/color]
- Ghosthawk
- Posts like an L27

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Re: Why did you sell or keep your GXP?
I admit now that the deal is done and I purchased the 2002 Grand Prix, there is still a tinge of remorse for not getting the GXP. In the end, I was just too scared of having to deal with the expense of the head gasket/bolt failure. If I could've done the repair myself I probably would've jumped on it but such is life.
2004 Bonneville SLE "Bonnie the Ghosthawk" or the 4dr Firebird...Gone but not forgotten

The Blog, http://www.tobthebat.wordpress.com
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The Blog, http://www.tobthebat.wordpress.com
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- Ghosthawk
- Posts like an L27

- Posts: 698
- Joined: Sat Dec 25, 2010 1:16 pm
- Year and Trim: 2004 SLE
- Location: Virginia
Re: Why did you sell or keep your GXP?
Will this guy never stop crying? LOL
I honestly wish the GXP down in Va Beach would just sell already because it haunts me.
I've caught myself doing price comparisons of all the things I'll want to do to the GP that the GXP already has. Granted offsetting a $5-6k engine swap is a big thing, but it still bothers me I didn't go down and look at that car before I jumped on the GP. While I know the car I bought is a great find and buy, its more of an emotional thing.
Probably the most petty sounding thing of all is how much time I've spent listening to YouTube clips on 3800 exhaust when I know the GXP will sound fantastic with pretty much any muffler set-up. MPG really isn't so much a factor since the car will get limited miles anyway.
I feel like a kid pouting after Christmas for not getting the expensive toy his parents decided was a bad idea.
I honestly wish the GXP down in Va Beach would just sell already because it haunts me.
I've caught myself doing price comparisons of all the things I'll want to do to the GP that the GXP already has. Granted offsetting a $5-6k engine swap is a big thing, but it still bothers me I didn't go down and look at that car before I jumped on the GP. While I know the car I bought is a great find and buy, its more of an emotional thing.
Probably the most petty sounding thing of all is how much time I've spent listening to YouTube clips on 3800 exhaust when I know the GXP will sound fantastic with pretty much any muffler set-up. MPG really isn't so much a factor since the car will get limited miles anyway.
I feel like a kid pouting after Christmas for not getting the expensive toy his parents decided was a bad idea.
2004 Bonneville SLE "Bonnie the Ghosthawk" or the 4dr Firebird...Gone but not forgotten

The Blog, http://www.tobthebat.wordpress.com
Luna LeMans on Smashwords
https://www.smashwords.com/books/view/870754
Luna LeMans in Amazon paperback
https://www.amazon.com/dp/1983273589

The Blog, http://www.tobthebat.wordpress.com
Luna LeMans on Smashwords
https://www.smashwords.com/books/view/870754
Luna LeMans in Amazon paperback
https://www.amazon.com/dp/1983273589
- redfury
- Posts like an LN3

- Posts: 522
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- Year and Trim: 2000 SLE Saved from the scrapyard.
- Location: Isanti, MN
Re: Why did you sell or keep your GXP?
I hear you. I stayed away from even considering GXP's because my Astro had a V8 and the mileage was atrocious, so getting a V8 car to replace it seemed counter-intuitive. I wanted the mpg's without sacrificing having a full sized luxury car, always wanted a Bonneville, so it was an easy decision to start looking. However, even after all the research on this site that I did prior to buying my current car...I find myself longing for the GXP's rumble and power. My Mom had an STS and it was wonderful ( but ended up with a new crate motor for way more money than I could think of sinking into a car- due to the heads ). I like the simplicity of the N/A 3800. The power is good, the noise ( stock ) is okay, and the mileage is good enough that I don't worry about how much fuel I am using to go anywhere, where I used to plan my trips around how much money I was going to end up spending on fuel.
My regret is only that I wish I had found an SSEi. The HUD, the memory seats, the heated seats, things like that would have made my current experience perhaps just a little bit better.
My regret is only that I wish I had found an SSEi. The HUD, the memory seats, the heated seats, things like that would have made my current experience perhaps just a little bit better.
A temporary fix does not exist. It becomes a solution until it needs to be fixed again.

https://photos.google.com/album/AF1QipO ... SiIKeTzuHy
https://photos.google.com/album/AF1QipO ... SiIKeTzuHy
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DRWBRTq19
- SLE Member

- Posts: 48
- Joined: Fri Aug 16, 2013 1:29 am
- Year and Trim: 2005 GXP
- Location: Jefferson City Missouri
Re: Why did you sell or keep your GXP?
You had an Astro (van I'm assuming) with a V8?
Drew
Drew
Pontiac stable:
2005 Bonneville GXP - Black -daily driver
2004 Sunfire - Arrival Blue Metallic -Wife's
1998 Grand Prix GT - Black -seen better days, awaiting fate
1985 Fiero Sport Coupe - Black (mostly) - long term rebuild
2005 Bonneville GXP - Black -daily driver
2004 Sunfire - Arrival Blue Metallic -Wife's
1998 Grand Prix GT - Black -seen better days, awaiting fate
1985 Fiero Sport Coupe - Black (mostly) - long term rebuild

