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Sedans Pontiac Grand Prix Pontiac Grand Prix GXP 2006
1419 messages, Last post on May 29, 2009 at 7:07 PM
You are in the Pontiac Grand Prix Forum. Your Hosts are pat & karens
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Replying to: chrisd2 (Jan 15, 2007 4:29 pm)
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Replying to: chats1 (Jan 16, 2007 8:01 am)
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Replying to: chrisd2 (Jan 16, 2007 6:17 pm) My brother had a bent rim on his 1995 Impala SS which he refuses to sell and they wanted a $1,000 to replace it. He straighted it out himself. Maybe you can get the dent out yourself. Good luck. I at first was a little skeptical about the GXP after I purchased it, but now really like it and get a lot of compliments on it. I have only seen one around so far. They seem to be rare, which I like. My color is the Dark Cherry Red Metallic. I have everything in it except the nav system. chats1
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Replying to: chats1 (Jan 17, 2007 6:43 am) Meaning what, exactly? When I had mine replaced, they were certainly re-balanced... And they were balanced from the factory. - Ray Curious....
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Replying to: rayainsw (Jan 17, 2007 9:18 am)
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Replying to: chats1 (Jan 17, 2007 11:01 am) And to close this subject here. ( I’ll try to place this largely in GXP context, but I’ll admit one could argue that this is somewhat Off Topic, and [ perhaps ] I should request the indulgence of the Moderators? ) Executive summary: I am very, vary pleased with my Corvette experience, so far – and I really do not miss the GXP. Though comparisons are really moot, I did find it interesting that to obtain substantially improved performance in the areas important to me ( acceleration, handling, etc. ) I needed to give up: 2 doors rear seats a separate trunk a sunroof And: I paid almost exactly $20,000 more for the Corvette than I did for my GXP. I monitor my car’s fuel economy – and have for decades. My C6, in essentially identical driving and Daily Use, as my GXP was, has so far returned 22.97 MPG – in 3441.8 miles of driving. Again, in identical driving, my 2005 GXP in the first 10 fills achieved 18.6. This is approx. 23.5% better in the Corvette. If I eliminate the 2 tanks of driving the Corvette to Florida & back last Thanksgiving ( somewhat atypical and 28.1 & 28.5 MPG ) the average for the Corvette drops to 22.13 MPG. This is still almost 19% better than the GXP. Not one tank on the C6 has been below 20 MPG – and in the first 10 fills, my GXP never achieved ** OVER ** 20 MPG. Again, in virtually identical driving. Several of “the usual suspects” are in play here: The C6 is roughly 400 pounds lighter than the GXP. The C6 is more aerodynamic. Also: The very wide gear spacing in the 6L80 transmission allows for both a “ye – HAW !!” first gear and a very ‘tall’ sixth gear – for very low RPM highway cruising. At a steady 65 to 70 MPH on level road the trip computer instant MPG readout quickly stabilizes at 31 to 33 MPG. It will pull 55 in sixth gear with no problem – and with full TCC lockup. ( 55 MPH = approx. 1,200 RPM in sixth gear. ) In fact, it will pull sixth from about 42 MPH – with no indications of any stress or strain. Though I would not typically apply WOT at that speed in sixth. ( 6.0L and OHV = Lovely Torque, even at very low RPM. Peak TQ is 400 at 4,400 RPM – but the LS2 also makes a bit over 300 at 1,200 RPM. Plenty to move 3200 #s along. ) I hasten to add here that I certainly did not consider my GXP to be a ‘gas hog’. Or anything like that. I was just always somewhat disappointed at my GXP’s highway MPG, given the EPA rating of 27. I never achieved 27 for a full tank, though I did once come close, with half a tank - under near ideal conditions – at 26.4. My real world experience with my GXP just did not match up as well as I’d expected to the EPA highway rating. One reason that I mention this is that my 2007 C6 with automatic is also rated at 27 highway. And I can exceed that rating on a relatively long trip – even when regularly maintaining cruising speeds well above the ( up to 2007 ) EPA MPG test schedule maximum speed of 60 MPH. ( My typical highway cruising speed, where reasonable & proper is 70 to 78. ) Overall, I am very, very pleased with my C6. It took quite some time to reach a confluence and match of the Corvette’s attributes for my requirements and my ability to pay. In almost every respect, my C6 has met or exceeded my expectations. And my expectations were very high, indeed. I am glad I bought this car & at over 3,500 miles, I enjoy every drive. I will likely change the exhaust at some point, just for a sound quality more to my liking ( the GXP was actually superior to the stock Corvette in this respect ! ) - and I may buy Koni dampers – but the C6 ( as designed & assembled ) is quite an impressive sports car & GT car. Oh, and the Corvette’s tires cannot be rotated either. Just my 0.02 gallons worth . . . - Ray Carpe C6 . . . |
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| Well, after we've been slaughtered here with snow so far, I can say that the stock tires are fine for me. they're not the best, but they work ok. I do notice that the inner wheels are getting corroded badly; probably from the salt. | |
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Has anyone done this yet? I want to drop the front end by 1" without making it ride like a hay wagon. Any help would be appreciated. Also I love the GXP, What a great car for the money Mike |
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By looking at your DIC Information Center and clicking on gages, can anyone tell me the highest temperature your 2006 or even 2005 Grand Prix GXP has gone up to on the Transmission Fluid Gage. According to the manual 180 degrees to 200 degrees is normal operating range for the transmission temperature gage. My 2006 has gone up to 210 degrees in heavy traffic. Can this be a problem, but then it goes down. Thanks. chats1
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Replying to: chats1 (Mar 26, 2007 6:26 am)
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