The design of the 2013 Holden Commodore will come into focus next month when its US-bound cousin, the Chevrolet SS, debuts in NASCAR specification in Las Vegas.
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US motorsports website Speed TV reports the 2013 Chevrolet SS NASCAR Sprint Cup car will be revealed for the first time in full race livery at the Las Vegas Motor Speedway on November 29, around three months out from the road car’s official public debut at the Daytona 500 in February. Chevrolet has since confirmed the car’s planned appearance to a number of US sources.

The Chevrolet SS will be based on the upcoming Holden VF Commodore, which is scheduled to go on sale in Australia in the first half of 2013.

While NASCAR racers don’t wear production panels, the vehicles feature painted-on lights, grilles and other distinguishing design features that promise to give us a clear indication of what to expect from the 2013 production model.

As our earlier renderings revealed, the new Commodore is set to take inspiration from its production line sibling, the Cruze small car, as well as the all-new mid-sized Malibu sedan.

Although Holden’s investment in the VF Commodore will be smaller than the $1 billion development cost of the VE, the new car is set to become more fuel efficient thanks to the introduction of aluminium panels, improved aerodynamics and revised engines and transmissions. The cabin is also set to become decidedly more upmarket with higher quality materials, and new technology and infotainment systems.

The Chevrolet SS will be produced in left-hand drive at GM Holden’s assembly plant in Elizabeth, South Australia, and exported to the US in what is expected to be a low-volume program of a few thousand cars.

The SS will become the first Chevrolet-badged rear-wheel-drive performance sedan in North America in 17 years, and is almost certain to feature a V8 engine.

Holden last week confirmed the all-new Cruze would be one of the two next-generation vehicles it will produce locally during the second half of this decade, but at this stage has made no guarantee that the Commodore nameplate will continue beyond the new VF, which is likely to run until 2018.