Mike Stevens | Nov 2, 2008

Much like our beloved Holden does just about every year down here in Australia, Pontiac will take the opportunity presented by SEMA to unveil a seriously slick street-worthy show special - the G8 GXP Street Concept (although Holden usually keeps its specials secret until the day of the unveiling).

Aesthetically, the GXP Street Concept bears a number of modifications – some subtle, some aggressive, but all very striking. Massive 20-inch black rims reminiscent of those found on 70s muscle cars sit under the guards of the Holden-designed body. What appear to be red ‘halo’ LED rings surround the main driving projectors.

The grille opening has been significantly narrowed top to bottom, looking a lot more like its VE Commodore cousin as a result. To top it all off, a massive, wide-open air dam is bedecked with a pair of blacked-out fog lights on either side of a serious looking strip of mesh.

This is all fantastic of course, but the real meat of the story lies beneath. While the regular G8 GXP carries the world-destroying 310kW 6.2-litre V8 LS3 seen in HSV’s 2008 range, the Street Concept is packing the new 7.4-litre LSX454 crate engine from GP Performance Parts. We’re talking 855kW and 810Nm of torque, just so we’re clear.

Backing all that up is a stiffer suspension setup, and the Cadillac CTS-V’s brakes – though who knows if even they’ll be enough.

Stay tuned for more information and images as the G8 GXP Street Concept is unveiled at SEMA.

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