a waist coachline, matched to Cuoio tan tufted leather upholstery and Wengé trim inlaid with mother of pearl. Standard equipment comprised most of the available infotainment options. 2008–2012 facelift The facelift Quattroporte débuted at the 2008 Geneva Motor Show. Overseen by Pininfarina, the facelift featured redevised bumpers, side sills and wing mirrors (the latter carried over from the GranTurismo), a convex front grille with vertical bars instead of horizontal, new headlights and tail lights with directional bi-xenon main beams and LED turn signals. Inside there was a new navigation and entertainment system. All Quattroporte models now used the ZF automatic transmission, with the DuoSelect being discontinued. The 4.2-litre Quattroporte featured single-rate damping comfort-tuned suspension and 18 inch wheels. Debuting alongside was the Quattroporte S, powered by a wet-sump 4.7-litre V8 engine, the same engine utilised in the Maserati GranTurismo S, with a maximum power output of and maximum torque of . In conjunction with the engine, the braking system was upgraded to cross-drilled discs on both axles and dual-cast 360 mm rotors with six piston callipers at the front. Skyhook active damping suspension and 19 inch V-spoke wheels were standard. Trim differences from the standard 4.2-litre cars were limited to a chrome instead of a titanium-coloured front grille. Production of the facelift Quattroporte models started in June 2008. The Quattroporte Sport GT S premièred at the North American International Auto Show in January 2009. Its 4.7-litre V8 has a maximum power output of , ten more than the Quattroporte S, owing to a revised intake and a sport exhaust system with electronically actuated bypass valves. Other mechanical changes were made to the suspension system, where the Sport GT S single-rate dampers took place of the Skyhook system, ride height was further lowered and stiffer springs were adopted. The exterior was distinguished by a specific front grille with concave vertical bars, black headlight bezels, red accents on the Trident badges, the absence of chrome window trim, body colour door handles and black double oval exhaust pipes instead of the quad round exhaust pipes found on other Quattroporte models. On the interior, the veneer trim was replaced by "Titan Tex" composite material and the cabin was upholstered in mixed Alcantara and leather. The Quattroporte Centurion Edition was presented in March 2009 for the UK market. It was special version developed only for the holders of black American Express cards. The car was