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
Provisional EPA fuel economy ratings for the convertible are 12 mpg city, 20 mpg highway, and 15 mpg combined. The twin-turbocharged, 48-valve, W12 engine powers the new convertible to 60 mph in 4.1 s) and onto a top speed of 202 mph (325 km/h). Zero to 100 mph (160 km/h) takes 9.7 l/100km urban, 10.4
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