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Volvo gives T6 engine the Polestar treatment

Just weeks after announcing its Polestar performance kits for the T5-engined cars, Volvo is now offering packages for the XC60, S60 and XC70 models fitted with its turbocharged six-cylinder engine. The T6 Polestar software package adds 25 hp and 30 lb-ft of torque, bringing totals to 325 hp and 355 lb-ft, respectively. Volvo says the added power won't result in greater fuel consumption, as the tuning of the engine only increases power when needed--though we'd imagine most drivers will feel the need often enough to significantly affect mileage.

Chrysler gets improved performance and handling marks from Consumer Reports

Chrysler Group is making strides to improve handling and performance of its vehicles, but the gains vary from model to model, according to tests by Consumer Reports magazine. The magazine said Tuesday that its recent tests of eight 2011 Chrysler Group models found advances in performance, interior fit and finish and handling. But it said the level of refinement in some vehicles still lags behind rivals.

New 2014 Corvette Stingray gets 29 mpg highway

Chevrolet has been dropping stats about its new Corvette every so often, and the latest to come down the pike are its fuel economy ratings. The Corvette Stingray's EPA estimated rating of 17 mpg in the city and 29 mpg on the highway makes it 11 percent more fuel efficient than the previous Corvette. These ratings are for the Corvette equipped with the all new seven-speed manual transmission.