Sir-alp1 Sirius Alpine Tuner on 2040-parts.com

Tesla has room to grow with the Model S sedan, Calif. factory

We got a brief ride in a prototype of the Tesla Model S all-electric sedan, and as far as we could tell from the passenger seat, it seemed like a luxury performance bargain for just $57,400. Of course, being just a passenger means any evaluation is more or less just a guess. We should get to drive one of them sometime before the fully finished models go on sale next summer and then we will have a more definitive take on the car.

LeMans winner Johnny O'Connell answers your driving questions

The guy's been racing professionally since 1987. He's won at LeMans four times. He's used to success, but this week he's an instructor at Bondurant, trying to make a halfway decent driver out of your humble editor.

The experts' review of the Frankfurt Motor Show

From sausages to sore feet, masses of metal to marching for miles, the Frankfurt Motor Show is most things to most people. We caught up with a dozen of the car industry’s finest at the sprawling Frankfurt Messe halls to find out what the world's biggest motor show means to them. Please click on the image above to view the rest of the story