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Pontiac Grand Prix - 2000-2005



  • Bought a black GT2 Labor Day weekend, already put 7K miles on it. I wanted everything: good-looking, fun, but practical too for a traveler. $2750 in rebates and $100 over invoice helped. I'm pretty happy so far, but a little disappointed in mpg. I have driven a lotta cars over the years and find I get a little better than the EPA highway number on a pure highway trip, and a little worse than the city number in town. My best was 28 mpg on a trip to Michigan and back, cruise control @74 mph, no a/c. Worst on the highway was 24 mpg for mostly highway, some suburban driving. I got 16 over a couple days of city/suburban/some hwy. Putting my foot into it is tempting in this car but I pay for it at the pump.
  • dindakdindak Posts: 6,632
    With 7 k, the 3800 should be broken in. 74mph will not yield the best mileage however, try 55-60 next time. If that doesn't work, have your dealer check it out.
  • Your mileage is pretty good considering you are driving a gigantic 6-cylinder engine. A 3.8L engine is almost the biggest available on the market for a V-6.

    I've been averaging 26-27 MPG in mixed driving, which is 2-3 MPG MORE than my 99 Grand Am, which had a smaller 3.4 L engine.

    I believe the 3800 engine is one of the most economical engines ever built.
  • dindakdindak Posts: 6,632
    We used to always get around 30 highway with our old 3800 GP SE.

    GM will have a 3900 next year in the new Pontiac G6 that will be equipped with DOD and produce around 240hp.
  • ruskiruski Posts: 1,566
    I wonder how long it will take for DOD to wake up when the car is cruising along and someone wants to challenge it for a quick race.
  • dindakdindak Posts: 6,632
    According to Toronto Star journalists testing it in Las Vegas (in a GP), the response time is not noticeably different than without DOD.
  • regfootballregfootball Posts: 2,166
    new c/d reports a 8.1 0-60 for the GP GT2. All you pushrod lovers no need to fret.

    0-100 of 24.7 rather slow. 5-60 street start lethargic at 8.7. 1/4 miles of 16.2 @ 85mph seconds a bit leisurely as well. Takes 6.5 seconds to get from 85 mph to 100mph? yeah, its running on fumes by then.

    Observed fuel economy of 23mpg.

    "operating with an asthmatic growl that's probably intended to suggest sportiness"

    and other comments kind and not kind but none of them too sharp edged. None of them glowing either.

  • Can't say I've had the need to accelerate from 85 to 100 mph very often. Then again, in NJ, I'm happy to be going 70 mph on the interstate without hitting congestion.
  • dindakdindak Posts: 6,632
    If you are aren't passing people at 85 and need to accelerate further to do so, you likely can afford lots of tickets and hence a faster car.
  • evandroevandro Posts: 1,108
    Thanks, but no thanks.

    Ever considered moving to Australia? ;-)
  • regfootballregfootball Posts: 2,166
    just read MT's and C/D's GTO review. MT in general was gushing about the interior.

    Its nice to see the Aussies show NA GM how to build a decent interior. Too bad the GP wasn't as nice.
  • dindakdindak Posts: 6,632
    And how much does the GTO cost again?
  • vcjumpervcjumper Posts: 1,110
    Has a nicer interior than the Vette.
  • dan165dan165 Posts: 653
    Have not been around in a while, not much to say except my GT2 is the most trouble free car I have every had (foreign or domestic). Still no issues at all to report.

    The 3.9L engine GM is apparently coming out with sounds really good. 240 hp with improved mileage and regular gas would be quite a milestone. Who says push rod motors are dead!

    I read today in the paper that GM will have a hybrid Silverado out in the spring and it will add $3000 U.S. to the price tag for a 10-15% gain. I think GM is putting these out because it feels it has to (ie Honda/Toyota are doing it) , not because it's a really good idea. Seems to me DOD is a much better and cheaper way to push mileage numbers up.
  • regfootballregfootball Posts: 2,166
    you beat me to the punch on that one!
  • regfootballregfootball Posts: 2,166
    hybid mileage goes up a lot more than 10-15%. In the case of the prius its like 50% or more.
  • dindakdindak Posts: 6,632
    Not on a truck it doesn't, 15% is about right. Mileage increase on cars in the real world has been closer to 30% from what I read. Takes a lot miles to make up $3000-7000 price difference.
  • regfootballregfootball Posts: 2,166
    oh, and what trucks out there do you have to use as a reference for your 15% claim. Didn't think so.

    The most generous claim from worthy sources (that is not GM trumpeteers) is a real world 8% increase from DoD.
  • vcjumpervcjumper Posts: 1,110
    Don't seem to be economically feasible for most. If DOD doesn't cost any extra up front, whats to complain about.
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