Ford Facoty Mustang Gt 5.0 Intake on 2040-parts.com

Groupon vouchers for cars? No

The Groupon juggernaut rolled into auto retailing last week, and dealers around the nation watched intently to see whether the online coupon phenomenon could drive herds of shoppers into showrooms. So far, no. Only four consumers agreed to pay $200 for a $500 discount voucher on a new-vehicle purchase at LaFontaine Buick-GMC-Cadillac in Highland, Mich.

Hennessey reveals Venom GT supercar

Texas tuner Hennessey Performance is taking a page out of the playbook of Carroll Shelby--drop a huge American V8 into a lightweight British chassis. The result is the Hennessey Venom GT, which melds high-performance Chevrolet Corvette and Lotus technology into a furious supercar. Borrowing from the Cobra's now-iconic template, the Venom GT broke cover on Monday and will come with the ZR1's supercharged 6.2-liter V8 modified to push out 725 hp.

2013 Volkswagen Beetle diesel starts at $24,065

The diesel-powered 2013 Volkswagen Beetle will carry a sticker price of $24,065 including $770 in destination charges when it arrives in dealerships in August. It will be the first diesel Bug to hit the United States since 2006. The 2.0-liter turbocharged oil burner will join the naturally aspirated 2.5-liter five-cylinder engine and the 2.0-liter turbocharged gasoline engine in the lineup.