What is the top speed for a 2004 Grand Prix GTP? All stock besides a supercharged engine.

10

Asked by Dec 06, 2015 at 03:51 PM about the 2004 Pontiac Grand Prix GTP

Question type: General

5 Answers

65,735

Oh you should be able to keep up with NASCAR cars out on the track...

2 out of 2 people think this is helpful.
64,995

The computer (PCM) will limit the vehicle's speed to around 105 to 110 MPH. HTH. - Jim

Best Answer
10

So how can you deactivate that and if you do so, around where does it top out at?

1 out of 1 people think this is helpful.
64,995

I'm not really sure. Most likely you'd need to have the PCM flashed to remove the speed limiter. A performance shop could possibly do it for you. I've never read about the top speed without the limiter. In the old days, without computers, cars with big V8s would typically top out at around 130 MPH. Since you have the supercharged GTP model I'm sure you could hit that number and probably more. But only if you're going to the track. Don't want you getting killed! HTH. -Jim

3,825

Check out ZZ Performance. They're the place to go for modifications to your car.

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