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Pontiac Grand Prix - 2000-2005



  • vcjumpervcjumper Posts: 1,110
    I wonder if they are improving the tranny in any way (giving it an extra gear or making it more robust to handle the extra power).
  • jpstaxjpstax Posts: 250
    I see what you mean. The maximum torque for the 4T65E is 280 ft-lbs. So why are they bumping up the HP to 280? Do they hope to produce better 0-60 and 1/4 mile times? I always thought that TORQUE is what produced low end grunt, not HP. I would think they'd need an even stronger version of the 4T65E.
  • montanafanmontanafan Posts: 945
    Why are they bumping up the HP to 280? My guess is because the can. It makes it look like progress. Dosen't add much cost.
  • dsm6dsm6 Posts: 813
    I wish they'd beef-up/upgrade that tranny. It's the weak point holding the car and its sister cars back. Remember the supercharged show car predecessor to the 97 GP? around 300 hp and torque to match. Pontiac said it would have to bring that down for the production car because of the tranny.

    On a similar note, I've already had the tranny on my 99 GTP rebuilt (at about 32,000 miles). Perhaps they should upgrade the tranny even if they don't up the torque! :-(

    FYI - adding a tranny cooler and switching to synthetic ATF will help and is a good idea for anyone making any serious power mods such as a smaller SC pulley.
  • dindakdindak Posts: 6,632
    My brother in law just bought a used 99 GTP with about 60000 kms on it. So far he loves it but the front headlights look kind of rough. What I mean is, the plastic seems to have yellowed and headlights don't seem very crisp in terms of light coming out of them. Is this normal or was this perhaps because of abuse?

    He is thinking of replacing them and is looking at options. Any suggestions?
  • smily1smily1 Posts: 104
    You might have him look at the clear corners on ebay.
  • ruskiruski Posts: 1,566
    The headlights on the Grand Prix are not very bright even when they are new.
  • jpstaxjpstax Posts: 250
    A lot of people over at the Impala discussion group are whinning about the new 2004 Impala SS only getting the L-67, instead of a new V8 with RWD. They should be very happy to finally get this great engine! Chevy tried to fit a detuned LS1 in the engine bay, but it was too cramped. I love my Regal GS. I think GM will have to develop a new motor for the Pontiac GTP and Regal GS to compete with Chevy.
  • dindakdindak Posts: 6,632
    Thanks. I've noticed the lights on out Alero are much nicer. Considering the Alero is a much less expensive car, I think the GP engineers need to fix this.
  • hengheng Posts: 411
    carbon metallic brake pads aren't much better than OEM pads. They don't offer much of a gain in braking performance. Someone also said that they put out a lot of brake dust too.

    Oh well, if they are only as good as OEM I'll settle for that since the OEMs went 50K miles.
  • moondawgmoondawg Posts: 24
    Hi.I've been looking around for an all around car,something with four doors,since I have a Toyota Solara,and I need more room.I spotted a used GP at a dealers lot.It's a 2000 model,dark blue,(I think it was,since it was nighttime when I saw it).I think it has the 3800 with supercharger.52000 miles on it.Is it worth it?
  • smily1smily1 Posts: 104
    I am on my secound GP GTP. First was a 97 2-door. Bought that a week before we found out we were going to have a baby. Traded it in for an exploder. Just last year we bought our secound 1999 GTP 4-door for 15k. Love these cars. My wife loves them as much as I.

    To answer your question I would say it all depends on the price, but yes...I think its worth it. But for peace of mind I always recommend an extended warranty for newer "used" cars.

    I also modified mine to about 300hp! weeeeeeeeeee!
  • moondawgmoondawg Posts: 24
    Thanks for your input.I went back there today(the dealers'lot).It's a GTP with 52000+ miles on it.They're asking $14,995,and I saw a advertised price 0f $13,995.
    ALso,is there anything I should be wary of,since there is a supercharger?Any special care I should know?
  • smily1smily1 Posts: 104
    Check the oil level of the supercharger. It should be up to the bottom of the threads on the allen bolt. Although dealerships recommend topping it off I would suggest changing it with 52000 on the car. Prepare for a stench if you do. That stuff stinks! Thats all the special stuff you need to know about. Not much to worry about with these cars.

    I think you can negotiate $12,000 for the car. Maybe 12,800 with extended warranty. I had 18,000 miles on my car when I bought it.

    Have fun!
  • I purchased my GTP about six months ago and I've had a couple of what I consider to be major problems. It had approx. 60K on it when I bought it and it was in pristine condition. Completely loaded with 10 disk cd changer in the trunk, sunroof, leather seats with the drivers heated. I had an issue with my transmission a couple of months ago and was able to get it repaired without having to replace it. The most recent issue was my rack & pinion went out which cost me $600.00. I still feel something not right in the steering wheel or column when I'm turning but no one can tell me what it is. I know its there. It is not cv joints because its not an actual knocking but its like a knot or something. Anyone else had this problem?
  • dsm6dsm6 Posts: 813
    You might check out the problems page at:

    Haven't had the steering problem you describe, but did have tranny probs. Good luck. It's a fun car when it's running properly, eh?
  • I had a trany problem as well, what was the problem you had with yours?
  • We just bought a 2002 GP GT. We love it, except for the stereo. I realize that factory systems are very seldom impressive (although my husband has a 98 Explorer with the stereo upgrade and it sounds great), but we even purchased the Bose speakers option. The radio sounds a little fuzzy, almost like there's background noise, and even CDs sound like they're being played in a hallway, with clear highs, but almost nothing in the mid- and low-ranges. We're disappointed. It's possible that maybe we're doing something wrong, but I don't know what. Any suggestions?
  • dindakdindak Posts: 6,632
    It's possible something is wrong. I have heard Bose systems in the Intrigue and they sound great. That said, if you are a real audiophile perhaps you are looking for more than what a Bose system will give you.


    beach15 : Great looking 2004 GP. Apparently it should be here middle of next year.
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