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Engine Technical Data
Engine type - Number of cylinders
Inline 6
V 8
Engine Code
S54B32
S65B40
Fuel type
Petrol
Petrol
Fuel System
Siemens DME MS S54
Indirect Injection.
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
198.1 cu-in / 3246 cm3
244 cu-in / 3999 cm3
Bore
3.43 inches
87 mm
3.62 inches
92 mm
Stroke
3.58 inches
91 mm
2.96 inches
75.2 mm
Number of valves
24
32
Aspiration
N/A
N/A
Compression Ratio
11.5
12
Horsepower
311 HP / 315 PS / 232 kW @ 7400 rpm
414 HP / 420 PS / 309 kW @ 8300 rpm
Maximum torque
250 lb-ft / 340 Nm @ 4900 rpm
295 lb-ft / 400 Nm @ 3900 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
5
7
Clutch Type
Manual
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Roadster
Cabrio
Num. of Doors
2
2
Num. of Seats
2
4
Seat distribution
2+2
Wheelbase
96.81 inches / 245.9 cm
108.7 inches / 276.1 cm
Length
158.46 inches / 402.5 cm
181.69 inches / 461.5 cm
Width
68.5 inches / 174 cm
71.02 inches / 180.4 cm
Height
50.39 inches / 128 cm
54.8 inches / 139.2 cm
Front Axle
60.63 inches / 154.0 cm
Rear Axle
60.59 inches / 153.9 cm
Aerodynamic drag coefficient - Cx
0.42
0.32
Front Brakes - Disc dimensions
Vented Discs (12.4 inches / 315 mm)
Vented Discs (14.17 inches / 360 mm)
Rear Brakes - Disc dimensions
Vented Discs (12.28 inches / 312 mm)
Vented Discs (13.78 inches / 350 mm)
Front Tyres - Rims dimensions
225/45 R17
245/40 R18
Rear Tyres - Rims dimensions
225/45 R17
265/40 R18
Front Wheels Width
8,5
Rear Wheels Width
9,5
Curb Weight
3131 lbs / 1420 kg
4200 lbs / 1905 kg
Weight/Power Output Ratio
4.51 Kg/hp
4.54 Kg/hp
Trunk / Boot capacity
5.8 cu-ft / 165 L
12.4 cu-ft / 350 L
Steering
Rack and pinion Hydraulic
Front Suspension
McPherson struts lower wishbones coil springs and anti-roll bar
Independent. McPherson struts. Coil springs. Anti-roll bar.
Rear Suspension
Semi-trailing arms coil springs and anti-roll bar
Independent. Coil springs. Anti-roll bar.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
5.5 s
5.1 s
Acceleration 0 to 1000m
23.8 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
20 MPG
11.5 L/100 km
25 MPG UK
Fuel Consumption - Economy - Open road
26 MPG
8.9 L/100 km
32 MPG UK
Fuel Consumption - Economy - City
15 MPG
16 L/100 km
18 MPG UK
Range
340 miles / 547 km
Fuel Tank Capacity
13.5 gallons
51 L
11.2 UK gallons
16.6 gallons
63 L
13.9 UK gallons
CO2 emissions
269 g/Km (BMW)
Safety
Euro NCAP