• Apr 2, 2008
Coupes seem to be somewhat resurgent lately, and the stupendously awesome Pontiac G8 GXP might be set to lose a pair of doors. While that would make it essentially a repeat of what came here as a revived GTO not too long ago, the name is not likely to return. The basic idea has been outlined in the Holden Coupe 60, itself starting out as an updated GTO, but turning out much cooler. The neo-ponycar wars will require the fitment of the 400 horsepower LS3 to run with the Shelby GT500KR, Challenger, and cousin Camaro.

The newly unveiled G8 GXP serves as the benchmark for what this coupe will likely come equipped with. That means big 19-inch wheels, uprated suspension, a meaner fascia and, most importantly, an available Tremec six-speed manual transmission. There should be a GT version, too, with "only" 361 horsepower, which should still offer a significant kick in the pants for less cash. The biggest impediment to the G8 Coupe actually seeing the light of day are looming new CAFE regulations, but we don't see how selling a bulk of these cars with the still-excellent 3.6 liter V6 to less performance-addled customers would be a bad thing. It'd hopefully prevent Pontiac from running afoul of the fuel economy rules while getting another car out there that enthusiasts can embrace in a variety of flavors. Thanks for the tip, Matthew!

[Source: Inside Line, Photo illustration by Nick Wilcox, Inside Line]


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  • 59 Comments
      • 6 Years Ago
      Im in full accordance with this idea, but then again I also liked the last GTO, so why wouldnt I like this one. I think the release of it as a G8 coupe vs a GTO will be much more successful. Do it!
        • 6 Years Ago
        Remember the ads 18 years ago- "in my dream, I was driving a Grand Prix. But get this, my Grand Prix had FOUR DOORS..."
      • 6 Years Ago
      So where do I leave my deposit? :)
        • 6 Years Ago
        Agreed. I'll take two in Yellow and Black.
      • 6 Years Ago
      It would be the only modern looking pony car unless you count the Genesis Coupe. What I don't understand is why the power is down so much on these engines compared to other applications:

      LS6: Corvette 400 G8 361
      LS3: Corvette up to 436 G8 402

      Maybe to save enough gas to avoid gas-guzzler tax since G8 is 1,000 lb heavier than Corvette.
        • 6 Years Ago
        It isn't a LS6 in the vette either; it's the LS2. LS6 was in the C5 Z06 and pre-2006(?) CTS-V.
        • 6 Years Ago
        That answers my question. Thanks.
        • 6 Years Ago
        The G8GT doesn't have an LS6. It's an L76 6.0L that is tuned for 87 octane.
        Also the GXP LS3 has 403 HP because of the restrictive intake and exhaust in the G8.
      • 6 Years Ago
      if it has 1/2 the doors, can it have 1/2 the tacky fake hood scoops?
        • 6 Years Ago
        So true. The scoops on the G6 GXP are the same way. However, there are aftermarket hoods for the G6 at least for functional Ram Air. I have one. Hopefully the G8 Will get one, especially the Coupe. Then it will be the next T/A for sure with a different name lol
      • 6 Years Ago
      As someone already pointed out and as I point out on this site, V6s, turbos, etc aren't really fuel sippers compared to modern V8s. Especially in performance cars like this one.

      The G8 V6 uses as much fuel as the V8, the reason it exists is because the MSRP is a few thousand lower making the cost of entry more affordable.

      I think GM should go forward with this car and I think it's worthy to wear the GTO name again. Even if it doesn't people will still be putting GTO badges on it and calling it a GTO. Perhaps the best compromise would be to call the LS3 V8 model the G8 "GTO" instead of the G8 "GXP". Afterall, the GTO started out as the performance trim on the Pontiac LeMans.
        • 6 Years Ago
        Correct. I like that idea. Worked in '64!
      • 6 Years Ago
      I would think that this would serve as a nice halo car for Pontiac - and it needs one desperately. The G8 sedan can't be the sole "performance" car for the brand.

      In any case, I can't believe that a G8 V8 would have that much CAFE impact - I wouldn't think that they'd really sell 90k of these per year... but the performance image could go way beyond what the sales numbers show.
      • 6 Years Ago
      Of course, the ad for the two door version of this car will compare it to a BMW 6-series.
      • 6 Years Ago
      Forget the pick-up truck bed thing. I'll take a coupe and a wagon please. Bring me a wagon!
      • 6 Years Ago
      Sadly, the V6 in the G8 gets exactly 1 MPG better than the V8, so that engine is hardly the more economical solution.

      That said, they both get pretty decent economy given the performance levels with 17/25 for the 6, and 15/24 for the V8. I struggled to achieve 24 highway in my '05 Legacy GT Wgn, so I would be fine with that mileage in a vehicle with much more power and weight.

        • 6 Years Ago
        Is your Legacy GT Wagon an automatic or are you at altitude (or both?) I typically get 25-27 mpg highway, usually running about 78 mph. 23-24 mph highway is the norm when I'm running in the lower half of the '80s. (Oh, and I'm talking calculated-at-fillup mileage, not the optimistic trip computer mileage.) '05 LGT Wagon 5MT. I'd certainly consider the G8 Sportwagon that the jerks aren't going to bring, but they can keep the Coupes and the Utes.
      • 6 Years Ago
      Where do I sign? I was debating whether I wanted a G8 ST or GXP Sedan since I wanted the 403hp LS3.. but I wanted a coupe. Pontiac just settled that for me by coming out with this.
      Also, another reason why the GXP LS3 has 403hp vs. 436hp is 87 octane vs. premium, along with the mentioned intake and exhaust.
      I hope this is out for 2009 or 2010. That's when I plan on dumping my current ride.
      • 6 Years Ago
      Hopefully it will have a turbo 4 cylinder option also. 4>8.
        • 6 Years Ago
        As the very satisfied owner of my current turbo 4 wagon and 2 different tubro-4 cars in years past, I'm pretty sure that a turbo 4 isn't ideally suited to hauling around a heavy beast like the G8. It takes serious torque (or serious torque multiplication) to get a big heavy car to move off the line in a satisfying way.
      • 6 Years Ago
      Man it looks cool but I really hate how car companies get stuck on a grill design. Dodge. BMW, and Pontiac grills have hardly budged in years. Hate the idea of my new G8 having the same grill look as an old POS Grand AM.
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