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Engine Technical Data
Engine type - Number of cylinders
Inline 4
Inline 6
Engine Code
M43B18
S54B32
Fuel type
Petrol
Petrol
Fuel System
Bosch DME M1.7.1
Siemens DME MS S54
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
109.6 cu-in / 1796 cm3
198.1 cu-in / 3246 cm3
Bore
3.31 inches
84 mm
3.43 inches
87 mm
Stroke
3.19 inches
81 mm
3.58 inches
91 mm
Number of valves
8
24
Aspiration
N/A
N/A
Compression Ratio
9.7
11.5
Horsepower
113 HP / 115 PS / 85 kW @ 5500 rpm
311 HP / 315 PS / 232 kW @ 7400 rpm
Maximum torque
123 lb-ft / 168 Nm @ 3900 rpm
250 lb-ft / 340 Nm @ 4900 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
5
5
Clutch Type
Manual
Manual
Size, Dimensions, Aerodynamics and Weight
Body
Roadster
Roadster
Num. of Doors
2
2
Num. of Seats
2
2
Wheelbase
96.3 inches / 244.6 cm
96.81 inches / 245.9 cm
Length
158.46 inches / 402.5 cm
158.46 inches / 402.5 cm
Width
66.61 inches / 169.2 cm
68.5 inches / 174 cm
Height
50.71 inches / 128.8 cm
50.39 inches / 128 cm
Aerodynamic drag coefficient - Cx
0.4
0.42
Front Brakes - Disc dimensions
Discs (11.26 inches / 286 mm)
Vented Discs (12.4 inches / 315 mm)
Rear Brakes - Disc dimensions
Discs (10.71 inches / 272 mm)
Vented Discs (12.28 inches / 312 mm)
Front Tyres - Rims dimensions
205/60 R15
225/45 R17
Rear Tyres - Rims dimensions
205/60 R15
225/45 R17
Curb Weight
2535 lbs / 1150 kg
3131 lbs / 1420 kg
Weight/Power Output Ratio
10 Kg/hp
4.51 Kg/hp
Trunk / Boot capacity
6.4 cu-ft / 180 L
5.8 cu-ft / 165 L
Front Suspension
Semi-trailing arm
McPherson struts lower wishbones coil springs and anti-roll bar
Rear Suspension
Life axle with leaf springs
Semi-trailing arms coil springs and anti-roll bar
Top Speed
121 Mph / 194 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
10.5 s
5.5 s
Acceleration 0 to 1000m
31.8 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - Combined
30 MPG
7.8 L/100 km
36 MPG UK
Fuel Consumption - Economy - Open road
41 MPG
5.8 L/100 km
49 MPG UK
Fuel Consumption - Economy - Highway
31 MPG
7.7 L/100 km
37 MPG UK
Fuel Consumption - Economy - City
25 MPG
9.4 L/100 km
30 MPG UK
Range
406 miles / 653 km
Fuel Tank Capacity
13.5 gallons
51 L
11.2 UK gallons
13.5 gallons
51 L
11.2 UK gallons
CO2 emissions
184 g/Km (BMW)