The Vauxhall Insignia VXR SuperSport has been let loose in the UK, with the British brand opening the taps on the hot sedan's Australian-made engine to see over 270km/h.
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With the speed limiter removed, the 239kW/435Nm turbocharged 2.8-litre V6 petrol powerplant, from Holden's Fishermans Bend factory, propels the Vauxhall Insignia SuperSport to a top speed of 273km/h – 24km/h quicker than the standard VXR, which the SuperSport has now superseded.

With a new starting price that is £3760 ($5780) lower than before, Vauxhall says the £29,995 ($46,100) Insignia VXR SuperSport’s is now the fastest production car in the UK priced below £30,000.

Retaining the original Insignia VXR’s all-wheel-drive system, HiPerStrut front suspension set-up and FlexRide adaptive damping system, the new SuperSport features blue ‘Brembo’ lettering on the front brake calipers and additional increments on the speedometer to subtly distinguish it from the old version.

The Vauxhall Insignia VXR SuperSport – pictured here with the iconic Vauxhall 30-98, the UK’s first 100mph (161mph) production car – is a rebadged version of the Opel Insignia OPC Unlimited, which was released around 18 months ago for other European markets.

While Opel Australia has already confirmed it will unleash the 206kW/400Nm Astra OPC hot-hatch in our market in February 2013, confirmation that it will be joined by the Insignia OPC and Corsa OPC performance variants is yet to be announced.