HSV's W427 looks set to be not just the most powerful Aussie-made car but also its most expensive.

427 W427s
HSV will limit production of W427 to a maximum of, you guessed it, 427 units. Cars will be built to order, with sales beginning in August and a retail price of AU$150,000.

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Seven litres of power from down under
The car's name derives from its 7.0-litre V8 engine &mdash 427 cubic inches in the old money. A toughened up six-speed manual gearbox will channel the 375kW of power and 640Nm of torque of tyre-frying action to the rear wheels.

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Red means go
There's no escaping the W427's supercar pretentions with its red-trimmed interior; the bucket seats, steering wheel, door trims, gear lever and glove box lids are all swathed in bright red leather.

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Shhh ...
While the interior screams and shouts, the exterior is rather demure for a range-topping HSV model. There's no high rise rear spoiler, just a (relatively) discrete three-piece carbon fibre spoiler on the boot lip.

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Hey there Koala nose
The single most polarising aspect of the car's exterior is its grille, which reminds us rather too much of a Koala's schnoz. Other key external differences from the HSV's GTS model are its 20mm lower ride height and uniquely styled 20-inch alloy wheels.

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