When Maserati’s new Quattroporte sedan hits the market next year, buyers will be able to choose from turbocharged V-6 or turbocharged V-8 engine options. As with the 4.7-liter V-8 found in the current Quattroporte, both will be assembled in Ferrari’s Maranello factory.

Brad Keselowski took the 2012 NASCAR Sprint Cup Championship when second-place-in-points Jimmie Johnson retired early from Sunday’s Ford EcoBoost 400 with driveline problems. The title is the first for both Keselowski and for team owner Roger Penske.

McLaren’s 12C GT Can-Am, shown as a concept in Pebble Beach, will be put into limited production. Only thirty customers will be lucky enough to put one of the track-only supercars in their garage.

You'll find all of this and more in today's car news headlines here at Motor Authority.

2014 Maserati Quattroporte gets new engine options.

Brad Keselowski takes the 2012 NASCAR Sprint Cup Championship.

McLaren to build track-focused 12C GT Can-Am.

Mercedes-Benz tests the new S Class’ autonomous steering.

Fiat teases the upcoming 500 Abarth Cabrio in a new video.

Lewis Hamilton wins the inaugural United States Grand Prix in Austin, Texas.

We bring you spy shots of the 2015 BMW 5-Series Touring.

Charity auction sees $1.25 million for the first Ferrari F12 Berlinetta in the U.S..

Audi’s Q8 luxury crossover has reportedly been approved for production.

Nissan gives details on one-off “Bolt Gold” edition GT-R auction.