• Apr 1st 2009 at 3:58PM
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Pontiac G8 GXP in the Autoblog Garage - Click above for a hi-res gallery

General Motors may be lacking the cash to develop any new rear-drive platforms, but reports out of Australia suggest that the existing Zeta platform that underpins such models as the Holden Commodore and new Chevrolet Camaro will carry on for at least another decade.

GM's Australian subsidiary only finished development of the current Zeta platform a few years ago, and it's not about to flush that down the toilet. However the next Commodore, currently sold in the North American market as the Pontiac G8, is likely to downsize for the next generation, anticipated to debut in 2013 and carry on through 2020. Along with the reduced size and heft, the General could use smaller, more efficient, though still powerful engines, employing direct injection and/or turbocharging like the Cadillac and Saab variants of the V6 already used by Holden. As we've discovered with vehicles like the Pontiac G8, GTO and the new Camaro, what's good for the Australian market is, in General Motor's eyes, good for North America, so fans of rear-drive American muscle have some hope to hold onto yet, mate.

[Source: GoAuto]

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    • 1 Second Ago
      • 6 Years Ago
      While we're on the subject of RWD GMs:

      Does GM not see a "Buick G8" as an opportunity? Give it slightly larger, Genesis dimensions, a LaCrosse-inspired exterior/interior, and the 3.6DI, 6.0L and 6.2L (with quieter exhausts of course) and offer the Hyundai and 2010 300 some real competition.

      Guess this could also spell trouble for the Charger performance wise, what with being bigger and heavier by comparison. But that might mean the difference is enough that the two wouldn't be compared as much. Still, I think the G8 is a perfect size for those buyers.
        • 6 Years Ago
        Eh, I'd say take the Chinese-market Park Avenue and redo the sheetmetal to resemble the new LaCrosse.
        • 6 Years Ago
        G8 GT exhaust is already whisper quiet from the factory. Only way you can tell it's a V8 is when you press the skinny pedal all the way to the floor.

        The transmission in first gear makes more noise than the engine in normal day to day driving.
        • 6 Years Ago
        Uhhh ... the CDM Park Avenue and USDM G8 are on the same platform, so your comment just states what I did. And that means someone agrees! Haha.
      • 6 Years Ago
      I might actually consider the purchase of a GM vehicle should they commit to a long-term small/mid-size RWD platform. That's assuming they make improvements to quality and reliability, which I think has to happen for GM to survive at all. Were I buying domestic today it would have to be a Ford, but sadly they have all but abandoned the RWD market.

      Why is there no domestic 3-Series competitor, anyway?
        • 6 Years Ago
        I only wish those weren't rose-colored glasses you have there. According to the latest Consumer Reports issue in my stack, fully half of the automobile makes listed lead the best GM brand, Buick, which falls in at 1% worse than average in reliability. Saab is 23rd of 34 at -13%, Chevrolet 24th at -15%, GMC 26th at -21%, Pontiac 29th at -36%, Cadillac 31st at -57%, and Saturn 33rd at -66%.

        Perhaps GM has improved reliability over the past 10 years, but it's gone from "bad" to "below average". That doesn't make it on par with anything except unreliable competitors, and it's far, far from the likes of the Japanese and even the Korean brands.
        • 6 Years Ago
        You need to stop reading consumer reports which has a very anti-american slant (when it comes to automobiles).

        Take a look at the debacle of last year. Consumer Reports automatically gave the Accord? Camry? the same rating as the previous year, they never re-evaluated the brand new car...
      • 6 Years Ago
      This is not a joke - the car already exists in concept form:

      Ignore that pink colour scheme and you have a 3.6 litre twin-turbo'd mid-sized RWD car based on the same platform used in the Commodore/G8

      I know Holden wants to build this. Will GM let them?
        • 6 Years Ago
        Ah the Torana. I remember this car fondly. I remember having a conversation with a GM employee at a bar back in 2004 about this car. I told him they needed to can the plans for the upcoming for the Epsilon based Cadillac BLS in Europe, and instead build the Torana and sell that as a Cadillac in Europe. I still think that would have made a lot of sense. Of course, today, we see the BLS and Cadillac floundering hopelessly in Europe, with plans to pull out of many countries.

        This platform would have been (and would still be) a great one for GM. They could build all kinds of cars, maybe something like the Genesis coupe to replace the G6, and even small RWD CUVs.
      • 6 Years Ago
      They could build a new RWD Impala on this platform.
      • 6 Years Ago
      I was thinking of a simular concept for the next G6 and a smaller Cadillac to compete against the 3 series, I was thinking of a lengthened kappa platform, but a shortened Zeta could work just as well.
      • 6 Years Ago

      this will be a G37 or slightly smaller car for $28k
      that would be nice

      but the car better come in at 3400 lbs in base form
      • 6 Years Ago
      Downsize a RWD platform? I've heard that one before... in the 1970s. But those cars were actually big. The G8 is already so much smaller than anything from that era I don't know how you could possibly make it any smaller.
      • 6 Years Ago
      That seems to put the successor around the size of the Fusion or Malibu.
      • 6 Years Ago
      This is positive news.

      The G8 GT (at least) has stacked up well against the 5-series and M5 in overall testing. A smaller version, if done with the same quality objectives, should do well also.

      I would like to see an AWD version of a Zeta-based vehicle sometime soon and definitely some CUVs in the near future for this platform too.
      • 6 Years Ago
      Here's an idea GM:

      Replace the G6 with a new mid-sizer on the Alpha platform. Slightly upmarket on the Malibu, it could attract buyers who can't afford or don't want to step up to the bigger G8 or Charger. Offer the detuned 2.0T, the 3.0DI, and top it off with a GXP having the new twin-turbo V-6 from the EDM Insignia OPC/VXR. Offer AWD across the range as an option.


      Yum, at least to me.
      • 6 Years Ago
      So something bigger than a Solstice but smaller than a G8?
        • 6 Years Ago
        So basically the Chevrolet Camaro. The platform was downsized for the use with that car and its still pretty big and grunt worthy.
        • 6 Years Ago
        That is a lot of room Tang. Between G6 and G8 is more like it.
      • 6 Years Ago
      A car the size of the current CTS (about 5in shorter than G8) that weights around 3600lbs with a 5.3L DI VVT LS4 making 400hp and 380lb-ft torque would make me wet myself...
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