Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Audi S6, S7 and S8 (2011) first official pictures

To offset its two tiny Urban concept cars and prove it’s still a sporty, performance-inspired brand, Audi will unveil not one but three hot S models at the 2011 Frankfurt motor show in September. The Audi S6, S7 and S8 are all powered by the company’s new 4.0-litre V8, with the most powerful iteration offering up 512bhp. Are the Audi S6, S7 and S8 all available with 512bhp?

Petrol cars twice as likely to fail MOT on emissions

The latest MOT test data shows that 26.2% of all cars tested fail on excess exhaust emissions – and surprisingly petrol cars fail more than twice as often as diesels in this part of the annual roadworthiness test. According to the official Vehicle Operator and Standard Agency (VOSA) figures, which cover all of 2010 and the first nine months of 2011, 9.7% of petrol cars failed to meet MOT emissions standards compared to just 3.9% of diesels. On Bing: see pictures of the MOT test Find out how much a used car with 12 months MOT costs on Auto Trader The analysis has been carried out by fuel additive “provider” Redex, which naturally has an interest in the findings, since its products are designed to breakdown engine deposits and improve efficiency.

Ford Grand C-Max revealed

Ford's seven-seat Grand C-Max Ford have gone the Renault route and Christened the bigger C-Max the ‘Grand’. And it is. It’s a stretched version of the standard S-Max giving it ample room for a third rwo of seats.