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Lutz's Cadillac puts on a better show than Lutz

"Hi, I'm Bob Lutz, and this is the Cadillac CTS-V Drive Challenge." General Motors Co.'s marketing chief dons his monogrammed helmet and puts Cadillac's 550-horsepower sedan through some warm-up laps at Monticello Motor Club, a members-only track. In what might have passed as a dismissible moment of Lutz braggadocio, "Maximum" Bob has challenged anyone with a four-door sedan to beat his 2010 CTS-V. Though not a showman by trade, Lutz is bankable for amusing, bald-faced assessments of his employer, his critics and the auto industry at large.

One Lap of the Web: What's your automotive sign? Plus amphibians, Lancia Stratos parts, and delivery scooters

-- Some people like horoscopes, astrological signs and whatnot. But few have ever thought to combine horoscopes with cars. Perhaps it's because the results are so out there, as this wild "cars of the zodiac" series demonstrates.

Lexus offers coupons for F-Sport accessories in July

Lexus is offering a 20 percent discount coupon for use on all F-Sport accessories in July that's worth up to $2,000. Lexus recently added the IS C and the GS to the accessory line, which includes forged alloy wheels, brake upgrades, a sway bar kit and other items. The discount is valid at Lexus dealerships, and it's limited to one per customer.