25hp Mercury Mariner Head on 2040-parts.com

McLaren P1 back at the Nurburgring in attack mode

The McLaren P1 is back at the Nurburgring looking to set a new record It was brave of Ron Dennis to declare – before the McLaren P1 was anywhere close to finished – that the it would be able to lap the Nurburgring in under 7 minutes. He was obviously very confident his new baby was up to the task but, just like McLaren’s current Formula One car, the P1 seems to be just a bit off the pace. Last month we reported that it seemed the best the McLaren P1 could do at the Nurburgring was a 7:04s – a time McLaren didn’t make official – so we knew McLaren would be back with their laptops and engineers as soon as they’d figured a way to trim those last few seconds.

GM unveils electric Cadillac Converj concept at the Detroit auto show

General Motors pulled perhaps a surprise at the Detroit Auto Show Sunday morning, unveiling an eye-catching two-door Cadillac concept powered by a "future evolution" of the Chevrolet Volt's electric powertrain. Called the Converj, the Cadillac will have a range of 40 miles on electricity, with a potential total range of 700 miles after a generator kicks in. GM says the powertrain, formerly known as E-Flex, is now called Voltec, and could be used in a variety of applications.

McLaren MP4-12C sports car stickers for $231,400

What is the most jaw-dropping figure from the 2012 McLaren MP4-12C? Is it the 592 hp coming from just 3.8 liters? Or the lithe curb weight of less than 2,900 pounds?