And the winner of the MPG Marathon is er…the VXR8 6.2 litre V8

 Vauxhall’s VXR8 super-saloon is the unlikely winner of the Fleet WorldMPG Marathon, with an astounding 53 per cent improvement on the combined figure. Driven by Top Gear Online editor Chris Mooney with help from navigator, Andrew Duerden, Vauxhall’s archivist and resident eco-driving expert, the V8-powered VXR8 registered 32.14mpg against a combined figure of 21mpg. The [...]