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
liter W12 combined with a close-ratio eight-speed ZF transmission to deliver a 15% improvement in fuel economy. Provisional EPA fuel economy ratings for the convertible are 12 mpg city, 20 mpg highway, and 15 mpg combined. Provisional EU cycle fuel consumption figures are 22.7 Click to enlarge.
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