Bentley’s new 616hp 12-cylinder GT Speed convertible with 8-speed and energy recuperation improves fuel economy by 15%
Green Car Congress
JANUARY 2, 2013
Bentley will introduce the new Continental GT Speed Convertible at the North American International Auto Show in Detroit this month. liter W12 combined with a close-ratio eight-speed ZF transmission to deliver a 15% improvement in fuel economy. The twin-turbocharged, 48-valve, W12 engine powers the new convertible to 60 mph in 4.1
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