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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Engine Code
S54B32
Fuel type
Petrol
Petrol
Fuel System
Siemens DME MS S54
MPI
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Engine displacement
198.1 cu-in / 3246 cm3
198.1 cu-in / 3246 cm3
Bore
3.43 inches
87 mm
3.58 inches
91.0 mm
Stroke
3.58 inches
91 mm
3.43 inches
87.0 mm
Number of valves
24
24
Aspiration
N/A
N/A
Compression Ratio
11.5
11.5
Horsepower
311 HP / 315 PS / 232 kW @ 7400 rpm
338 HP / 343 PS / 252 kW @ 7900 rpm
Maximum torque
250 lb-ft / 340 Nm @ 4900 rpm
269 lb-ft / 365 Nm @ 4900 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
5
6
Clutch Type
Manual
Manual
Size, Dimensions, Aerodynamics and Weight
Body
Roadster
Num. of Doors
2
2
Num. of Seats
2
2
Wheelbase
96.81 inches / 245.9 cm
98.43 inches / 250.0 cm
Length
158.46 inches / 402.5 cm
161.81 inches / 411.0 cm
Width
68.5 inches / 174 cm
70.08 inches / 178.0 cm
Height
50.39 inches / 128 cm
51.18 inches / 130.0 cm
Aerodynamic drag coefficient - Cx
0.42
0.38
Front Brakes - Disc dimensions
Vented Discs (12.4 inches / 315 mm)
Vented Discs (13.58 inches / 345 mm)
Rear Brakes - Disc dimensions
Vented Discs (12.28 inches / 312 mm)
Vented Discs (12.91 inches / 328 mm)
Front Tyres - Rims dimensions
225/45 R17
225/45 R18
Rear Tyres - Rims dimensions
225/45 R17
255/40 R18
Curb Weight
3131 lbs / 1420 kg
3109 lbs / 1410 kg
Weight/Power Output Ratio
4.51 Kg/hp
4.11 Kg/hp
Trunk / Boot capacity
5.8 cu-ft / 165 L
- cu-ft / 240-260 L
Front Suspension
McPherson struts lower wishbones coil springs and anti-roll bar
Independent. McPherson. coil springs. anti-roll bar
Rear Suspension
Semi-trailing arms coil springs and anti-roll bar
Independent transverse arms. coil springs
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
5.0 s
Acceleration 0 to 1000m
23.7 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
19 MPG
12.1 L/100 km
23 MPG UK
Fuel Consumption - Economy - Open road
27 MPG
8.6 L/100 km
33 MPG UK
Fuel Consumption - Economy - City
13 MPG
18.2 L/100 km
16 MPG UK
Range
282 miles / 454 km
Fuel Tank Capacity
13.5 gallons
51 L
11.2 UK gallons
14.5 gallons
55 L
12.1 UK gallons
CO2 emissions
292 g/Km (BMW)
Safety
Euro NCAP