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Engine Technical Data
Engine type - Number of cylinders
Inline 6
V 8
Engine Code
N55B30
S65B40
Fuel type
Petrol
Petrol
Fuel System
Direct Injection.
Indirect Injection.
Lubrication
Wet sump
Engine Cooling
Water
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Front
Engine displacement
181.8 cu-in / 2979 cm3
244 cu-in / 3999 cm3
Bore
3.31 inches
84.0 mm
3.62 inches
92.0 mm
Stroke
3.53 inches
89.6 mm
2.96 inches
75.2 mm
Number of valves
24
32
Aspiration
Turbo + Intercooler
N/A
Compression Ratio
10.2
12
Horsepower
302 HP / 306 PS / 225 kW @ 5800 rpm
414 HP / 420 PS / 309 kW @ 8300 rpm
Maximum torque
295 lb-ft / 400 Nm @ 1200-5000 rpm
295 lb-ft / 400 Nm @ 3900 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
6
6
Clutch Type
Manual
Manual
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Cabrio
Num. of Doors
2
2
Num. of Seats
4
4
Seat distribution
2+2
2+2
Wheelbase
108.66 inches / 276.0 cm
108.7 inches / 276.1 cm
Length
181.57 inches / 461.2 cm
181.69 inches / 461.5 cm
Width
70.16 inches / 178.2 cm
71.02 inches / 180.4 cm
Height
54.49 inches / 138.4 cm
54.8 inches / 139.2 cm
Front Axle
59.06 inches / 150.0 cm
60.63 inches / 154.0 cm
Rear Axle
59.33 inches / 150.7 cm
60.59 inches / 153.9 cm
Ground clearance
5.43 inches / 13.8 cm5.43 inches / 13.8 cm
Aerodynamic drag coefficient - Cx
0.31
0.32
Front Brakes - Disc dimensions
Vented Discs (13.7 inches / 348 mm)
Vented Discs (14.17 inches / 360 mm)
Rear Brakes - Disc dimensions
Vented Discs (13.23 inches / 336 mm)
Vented Discs (13.78 inches / 350 mm)
Front Tyres - Rims dimensions
225/45 R17
245/40 R18
Rear Tyres - Rims dimensions
255/40 R17
265/40 R18
Front Wheels Width
8.0
8.5
Rear Wheels Width
8.5
9.5
Curb Weight
3990 lbs / 1810 kg
4156 lbs / 1885 kg
Weight/Power Output Ratio
5.92 Kg/hp
4.49 Kg/hp
Trunk / Boot capacity
12.4 cu-ft / 350 L
12.4 cu-ft / 350 L
Steering
Rack and pinion. PAS Hydraulic
Rack and pinion Hydraulic
Front Suspension
Independent MacPherson struts. Coil springs. Anti-roll bar.
Independent MacPherson struts. Coil springs. Anti-roll bar.
Rear Suspension
Independent. Coil Springs. 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)
5.8 s
5.3 s
Acceleration 0 to 1000m
25.2 s
24.2 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
19 MPG
12.4 L/100 km
23 MPG UK
13 MPG
18 L/100 km
16 MPG UK
Fuel Consumption - Economy - Open road NEDC
35 MPG
6.7 L/100 km
42 MPG UK
25 MPG
9.6 L/100 km
29 MPG UK
Fuel Consumption - Economy - Combined NEDC
27 MPG
8.8 L/100 km
32 MPG UK
19 MPG
12.7 L/100 km
22 MPG UK
Fuel Tank Capacity
16.6 gallons
63 L
13.9 UK gallons
16.6 gallons
63 L
13.9 UK gallons
CO2 emissions
205 g/Km (BMW)
297 g/Km (BMW)
Emission standard
Euro V
Euro V
Safety
Euro NCAP