1933 Duesenberg Model J Torpedo Convertible Victoria

Sold for: $1,437,000 (Lot 223)
Auction House: Bonhams & Butterfields
One of three Duesenbergs on this list, this elegant 1933 Model J has value for both Duesenberg collectors and Western movie enthusiasts, as it was owned for years by William Boyd, the man who embodied the character of Hopalong Cassidy in 78 films, on television, on radio, and on countless pieces of merchandise. It features a one-of-a-kind coachwork job by Rollston, and won the 1996 Classic Car Club of America National First Prize

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Nissan Claims Leaf Beats Volt by 137 mpg

"Nissan Leaf = 367 mpg, no tailpipe, and no gas required," Nissan wrote on its NissanEVs Twitter page after General Motors Co. announced Tuesday that the Volt would score 230 mpg.

"Oh yeah, and it'll be affordable too," Nissan added, in a dig at the Volt's estimated $40,000 sticker price. Nissan is promising that the five-passenger Leaf, unveiled Aug. 2, will be priced to compete with $25,000-$33,000 mass-market cars in the United States.

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BMW X6 M Brings the Fun

2010 BMW X6 M

ON SALE: Fall
BASE PRICE: $90,550
DRIVETRAIN: 4.4-liter, 555-hp, 500-lb-ft twin-turbocharged V8; AWD, six-speed automatic
CURB WEIGHT: 5,247 lb
0-60 MPH: 4.5 sec (est)
FUEL ECONOMY (EPA): 17 mpg (est)

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