I'm sold my j-body and am shopping for a S/C w-body or maybe a gxp. Figured I'd might as well switch car forums too. W-body will definitely be a step up.
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09-17-2013
I'm sold my j-body and am shopping for a S/C w-body or maybe a gxp. Figured I'd might as well switch car forums too. W-body will definitely be a step up.
09-17-2013
Many will tell you GTP because of how inexpensive it is to mod, and that they can be made as quick as GXP's with some fairly basic mods. Only reason to go to GXP is if you like v8's, and don't like the sound of v6's. You will get the supercharger whine with the GTP though which can be equally as cool.
They're not too different though. I like the GXP's front bumper better, just going by looks.
09-17-2013
I've driven both. Been looking at the epa fuel ratings. the v-8 is only 1or 2mpg less than the s/c v6. Is this accurate?
09-17-2013
I believe so. It surprises me since it's a v8 but it's tuned down pretty good.
09-18-2013
Yes that's only true if you drive like a granny and you're in DOD/AFM mode alot. I think my car burns a ton of fuel compared to my GTP, and I drove them both the same way. Granted this one is modded now, but stock for stock my GTP got alot better gas mileage... I mean alot! So much so that I've purchased another vehicle for daily driving...
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09-18-2013
My GXP gets pretty decent gas mileage.
09-19-2013
what does it work out to be?Originally Posted by DirtDog
any oil consumption issues from the afm? Reason I ask is the afm trucks are having issues
09-19-2013
Burning oil is so hit and miss.
My buddy's 2011 silverado burns zero oil and its over 25K miles, then theres this other person we know and his truck burns 1 quart per 3k miles. Which by GM standards is 100% normal. So I wouldnt be turned away by the minor fact that it may burn 1ish quarts per 3,000 miles, figure its only 3-5 bucks worth of oil that you are using for that given time.
09-19-2013
I loose about a quart between oil changes in my GXP. Not bad considering my GTP went thru about the same amount with no DOD/AFM
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09-20-2013
the 2011's have a shield over the afm oil pressure relief valve so they won't burn oil. Its the early 2010 and older with afm that are having issues.
1quart in 3000miles i'm ok with. I just don't want to run out of oil before the oil change is due.
09-20-2013
Had both love the gxp better, so smooth such a smooth pull! Never dream a front wheel drive could handle so well!!! Brakes just unreal!!!! And hell the v8 is lighter :-) :-) So cold air, full exhaust and in love!! :-) :-)
09-20-2013
$1000 headers. For the gxp
Originally Posted by TLSheff
09-20-2013
Test drive both and then decide
09-20-2013
when a gen five screams, its just super,
Pontiac Grand Prix GTP Dyno, Gen V Supercharged - YouTube
don't know whos car that is, but bolt on a cone filter and your pretty much there.
(in Edmonton winter I get about mabey 15.5mpgs of pure city. in summer about 18)
Last edited by Seachicken; 09-20-2013 at 11:22 PM.
09-21-2013
[QUOTE
(in Edmonton winter I get about mabey 15.5mpgs of pure city. in summer about 18)[/QUOTE]
in the 5.3?
My 4x4 hemi gets that mpg...for a dd, I gotta have one vehicle that's half decent
09-21-2013
Have you considered the 5.3 SS Monte?
09-21-2013
gtp
09-21-2013
lol i had a j back in 05 before tuning was available. **** platform at that time
09-21-2013
That is a fella by the name of Josh who is over on clubgp.
09-21-2013
in the 5.3?
My 4x4 hemi gets that mpg...for a dd, I gotta have one vehicle that's half decent
no lol, 07 gt is 3.8sc, i drive like a a$$hole,
keep in mind im in heavy traffic all day, its a battle just to get home, and in winter i use the factory command start, so it idles for 10-15 mins everytime i go to use it
depending on what your situation is lots of ppl on here do much better then that with mixed driving
my car will do just under 28 on long hiway trips
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