Monday, May 2, 2011

Maserati GranTurismo





Specifications

Engines

The engines are from Ferrari/Maserati V8 family.
Model Years Type Power, torque@rpm Redline
GranTurismo 2007- 4.2L 4,244 cc (259.0 cu in) 90° V8 405 PS (298 kW; 399 hp) @7100, 460 N·m (340 lb·ft) @4750 7250
GranTurismo S 2008- 4.7L 4,691 cc (286.3 cu in) 90° V8 440 PS (324 kW; 434 hp) @7000, 490 N·m (360 lb·ft) @4750 7500
GranTurismo S Automatic 2009- 4.7L 4,691 cc (286.3 cu in) 90° V8 440 PS (324 kW; 434 hp) @7000, 490 N·m (360 lb·ft) @4750 7200
GranCabrio 2010- 4.7L 4,691 cc (286.3 cu in) 90° V8 440 PS (324 kW; 434 hp) @7000, 490 N·m (360 lb·ft) @4750 ?

Transmissions

Model Years Type
GranTurismo 2007- ZF 6-speed automatic
GranTurismo S 2008- 6-speed sequential robotic with twin dry-plate clutch and paddle shifter
GranTurismo S Automatic 2009- ZF 6-speed automatic
GranCabrio 2010- ZF 6-speed automatic



ZF transmission includes Auto Normal Mode, Auto Sport Mode, Auto ICE Mode, Manual Mode. Auto Normal mode shifts gears automatically at low rpm to achieve the most comfortable ride and at higher rpm when driving style becomes more sporty. Auto Sport Mode changes gears 40% faster than in Normal Mode, downshifts when lifting off as a corner approaches; then it activates the stability control, stiffening Skyhook suspension, and opening exhaust valves when engine is over 3000 rpm (in GranTurismo S Automatic). Auto ICE mode reduces maximum torque at the wheel, prevents 1st gear starts, and only allows gear changes below 1000 rpm.
Sequential robotic transmission includes Manual Normal and Manual Sport, Manual Sport with MC-Shift, Auto Normal, Auto Sport, Auto ICE modes.

Performance

Model Years Acceleration 0–100 km/h (s) 400 m 1000 m Top speed Acceleration 80–120 km/h (s) Braking 100–0 km/h (m)
GranTurismo 2007- 5.2 13.4 23.9 s @ 225 km/h (140 mph) 286 km/h (178 mph)[10] 3.7 35
GranTurismo S 2008- 4.7 13 23 s @ 234 km/h (145 mph) 296 km/h (184 mph) [11] 3.5 36
GranTurismo S Automatic 2009- 4.9 13.2 23.3 @ 228 km/h (142 mph) 296 km/h (184 mph) 3.3 35
GranCabrio 2010- 5.2 13.2 23.3 @ 227 km/h (141 mph) 285 km/h (177 mph) 3.3 35
GranTurismo MC Stradale 2011- 4.5 12 ? 302 km/h (188 mph) ? ?

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