Goodyear Spare Tire Donut T135/80d17 103m on 2040-parts.com

ZF boss thinks 9 speeds is enough for transmissions

The nine-speed transmission might be where the race to add gears ends, ZF Friedrichshafen CEO Stefan Sommer said. He referred to nine speeds as the "natural limit" because going beyond that number adds weight and complexity that cannot be offset by gains in fuel efficiency. "There is no hard line, but you have to consider the law of diminishing returns.

2010 Ford Mustang: Saleen plans two go-fast models for next year

Saleen, the famous performance brand, lives. And it's looking to roll out two go-fast Mustangs in the next year. The first will be unveiled at Mustang Week in Myrtle Beach, S.C., later in July.

Audi RS6 Avant heads for EJAF with a little help from Gwyneth Paltrow

Gwyneth Paltrow signing an Audi RS6 Avant heading for Elton John’s White Tie & Tiara Auction Audi UK has a bit of a history of donating cars for auction at Elton John’s annual White Tie & Tiara Ball in aid of the Elton John Aids Foundation, and 2013′s no different. In the past we’ve had the appealing R8 Spyder as an EJAF auction lot and an A1 painted by Damien Hirst, but this year the EJAF is getting the super-estate Audi RS6 Avant, scribbled on by the delectable Gwyneth Paltrow. Audi roped in Gwyneth to turn up at the UK launch of the new RS6 Avant at Audi City in London and got her scribbling her moniker  on the interior of the RS6, a task Audi says would make their uber-shed worth £88k if they sold it – but if previous EJAF auctions of Audi’s cars is anything to go by it’ll fetch a lot more than that when the hammer goes down.