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Detroit Auto Show: Bentley Continental GTC Speed debuts

Bentley will complete its Speed portfolio when it introduces a freshened Continental GTC range at the Detroit auto show. Along with exterior and equipment changes, a new GTC Speed model is added with a more powerful version of the 6.0-liter twin-turbocharged W12 that churns out 600 hp and 553 lb-ft of torque for an improvement of 48 hp and 74 lb-ft over the regular GTC. The result is Bentley's most powerful convertible to date.

Infiniti Q50 channels its inner Formula One

The Infiniti Q50 Eau Rouge concept bowed at the Detroit auto show on Monday. This is the same F1-Spa-Francorchamps-inspired sedan that the company teased early in December. It's purely a concept for now, and therefore only has a hypothetical powerplant.

Volkswagen GTI Roadster Vision Gran Turismo brought to life and heading for Worthersee

Volkswagen GTI Roadster Vision Gran Turismo brought to life We’ve already had Worthersee Concepts from Skoda, Audi and SEAT, but now we get the Worthersee Concept from the Mother Ship – the Volkswagen GTI Roadster Vision Gran Turismo Concept. VW has brought to life a car created for the virtual world of Gran Turismo gaming and has revealed a series ofd design sketches (above) before the real car makes its appearance at Worthersee. VW are calling the GTI Roadster a supercar with aggressive styling, and the GTI Roadster certainly looks dramatic (although that drama may well be a little less extreme when it arrives in the metal) and, just like the Skoda CitiJet and SEAT Ibiza Cupster Concepts, manages without a roof.