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Exotic Cadillac XTS mule spotted

Autoweek reader and frequent spy-photo contributor Spencer Abbott brings us these photos that he took last weekend in Birmingham, Mich. The photos clearly show a heavily camouflaged Cadillac XTS. But given that production-ready examples of Cadillac's new full-sizer have been making frequent appearances on Michigan highways for months, the heavy camo on this XTS is a bit puzzling.

A look at Chevrolet future products

Based on Chevrolet's vehicle launches over the past few years, a casual observer might not know that General Motors' bow-tie brand still makes trucks. Well-received entries such as the Cruze compact and Sonic subcompact have helped transcend Chevy's image as a trucks-and-sports-cars brand. In coming months, the transformation of Chevy's car lineup will continue with the launches of the Spark minicar, two new engines in the redesigned Malibu and the long-awaited next-generation Impala, due early next year.

Porsche Panamera to get new V6 engine

Porsche will reveal two new 3.6 V6 petrol versions of the Panamera at the Beijing motor show 2010. These are the first official photos of the new models, the Panamera and Panamera 4, which will be offered as cheaper alternatives to the S, 4S and Turbo versions. In the rear-wheel drive entry-level Porsche Panamera, the new 296bhp, 295lb ft V6 powerplant produces 265g/km of CO2 and will manage just 25 miles on a gallon of fuel.