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Turbo version of Buick Verano priced at $29,990

The Buick Verano Turbo sedan will sticker at $29,990, including the $885 shipping charge, when it hits dealerships this fall. The Verano Turbo will use the same four-cylinder as the Buick Regal GS sedan but makes a shade less power at 250 hp and 260 lb-ft of torque. Additionally, it will get an EPA-estimated 20 mpg on the street and 31 mpg on the highway.

Mercedes-Benz B-Class aerodynamics tested [w/video]

Mercedes-Benz has produced a video testing the aerodynamics of its new B-Class – which it claims is the most aerodynamically efficient car in the world – using a wind tunnel and fluorescent paint. The W245-generation B-Class has the lowest aerodynamic drag in its segment with a Cd of just 0.26, thanks to features such as serrated front wheel arch spoilers, optimized cooling airflow and a Pagoda roof to help airflow over its profile. The car's aero properties were put to the test at the MIRA vehicle test facility in the UK using fluorescent paint in 60mph winds to highlight its flow dynamics, only visible under UV lights.

Jaguar BlackJag 2004 concept car up for sale

It's not often that a former auto show concept is offered for sale, mostly because of buzzkill stuff like government crash standards, emissions compliance documents and other boring paperwork. But it does happen from time to time, such as when General Motors sold off a chunk of its Heritage Collection -- though most of those cars were sold without titles, just on bills of sale, which prevents them from being registered for road use. This week there is (allegedly) a 2004 Geneva motor show concept for sale -- a running concept car for that matter -- with a steep price to go along with it, as GTSpirit has discovered.