Engine efficiency is optimised by the use of lower friction, lighter-weight components and a new engine management system.
The GT Speed's ts highly efficient W12 engine develops 449kW and 750Nm, which is a 9% increase in power and 15% increase in torque.
It takes the car a mere 4.5 seconds to do the 0-100 km/h sprint, and with reach 160 km/h in 10.2 seconds.
Complementing the Continental GT Speed's high performance is its unique chassis tune that delivers tauter handling and improved agility, with new, wider 9.5J 20-inch wheels and bespoke performance tyres as standard fitment.
Fade-resistant carbon ceramic brakes are available as an option.
Bentley has given the GT Speed a sportier appearance too with a lower air intake and more upright radiator grille.
Other subtle design touches include a dark-tinted front grille and larger sports tailpipes.