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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Inline 4
Engine Code
N54B30
Fuel type
Petrol
Petrol
Diesel
Fuel System
Direct Injection
Direct Injection.
Lubrication
Wet sump
Engine Cooling
Water
Engine Alignment
Longitudinal
Longitudinal
Longitudinal
Engine Position
Front
Front
Front
Engine displacement
2979 cm3 / 181.8 cu-in
2996 cm3 / 182.8 cu-in
1995 cm3 / 121.7 cu-in
Bore
84.0 mm
3.31 inches
85 mm
3.35 inches
84.0 mm
3.31 inches
Stroke
89.6 mm
3.53 inches
88 mm
3.46 inches
90.0 mm
3.54 inches
Number of valves
24
24
16
Aspiration
Bi-Turbo + Intercooler
N/A
Turbo (TGV) + Intercooler
Compression Ratio
10
12
16.5
Horsepower
306 PS / 302 HP / 225 kW @ 5800 rpm
272 PS / 268 HP / 200 kW @ 6700 rpm
218 PS / 215 HP / 160 kW @ 4400 rpm
Maximum torque
400 Nm / 295 lb-ft @ 1300-5000 rpm
320 Nm / 236 lb-ft @ 2750-3000 rpm
450 Nm / 331 lb-ft @ 1500-2500 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
RWD
Transmission Gearbox - Number of speeds
6
6
8
Clutch Type
Manual
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Cabrio
Num. of Doors
2
2
2
Num. of Seats
4
4
4
Seat distribution
2+2
2+2
Wheelbase
276.0 cm / 108.66 inches
278.0 cm / 109.45 inches
281.0 cm / 110.63 inches
Length
458.0 cm / 180.31 inches
482.0 cm / 189.76 inches
463.8 cm / 182.6 inches
Width
178.2 cm / 70.16 inches
185.5 cm / - inches
182.5 cm / 71.85 inches
Height
138.4 cm / 54.49 inches
137.4 cm / 54.09 inches
138.4 cm / 54.49 inches
Front Axle
150.0 cm / 59.06 inches
154.5 cm / 60.83 inches
Rear Axle
150.7 cm / 59.33 inches
159.4 cm / 62.76 inches
Aerodynamic drag coefficient - Cx
0.31
0.31
Front Brakes - Disc dimensions
Vented Discs (348 mm / 13.7 inches)
Vented Discs (348 mm / 13.7 inches)
Vented Discs
Rear Brakes - Disc dimensions
Vented Discs (336 mm / 13.23 inches)
Vented Discs (345 mm / 13.58 inches)
Vented Discs
Front Tyres - Rims dimensions
225/45 R17
245/50 R17
225/50 R17
Rear Tyres - Rims dimensions
255/40 R17
245/50 R17
225/50 R17
Front Wheels Width
8,0
7,5
Rear Wheels Width
8,5
7,5
Curb Weight
1810 kg / 3990 lbs
1825 kg / 4023 lbs
1805 kg / 3979 lbs
Weight/Power Output Ratio
5.92 Kg/hp
6.71 Kg/hp
8.28 Kg/hp
Trunk / Boot capacity
210-350 L / - cu-ft
370 L / 13.1 cu-ft
Trunk / Boot Second Row
350 L / 12.4 cu-ft
Steering
Rack-and-pinion.
Rack and pinion Electric
Front Suspension
Independent McPherson. coil springs. Anti-roll bar
Independent McPherson struts. Coil springs. Anti-roll bar.
McPherson struts. Coil springs.
Rear Suspension
Multi-link. Coil springs. Anti-roll bar
Independent. Coil springs. Anti-roll bar.
Coil springs.
Top Speed
250 km/h / 155 Mph
250 km/h / 155 Mph
241 km/h / 150 Mph
Acceleration 0 to 100 km/h (0 to 62 mph)
5.8 s
7 s
7.1 s
Acceleration 0 to 1000m
26.8 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
13.6 L/100 km
21 MPG UK
17 MPG US
11.6 L/100 km
24 MPG UK
20 MPG US
6 L/100 km
47 MPG UK
39 MPG US
Fuel Consumption - Economy - Open road NEDC
7.1 L/100 km
40 MPG UK
33 MPG US
6 L/100 km
47 MPG UK
39 MPG US
4.4 L/100 km
64 MPG UK
53 MPG US
Fuel Consumption - Economy - Combined NEDC
9.5 L/100 km
30 MPG UK
25 MPG US
8.1 L/100 km
35 MPG UK
29 MPG US
5 L/100 km
56 MPG UK
47 MPG US
Fuel Tank Capacity
63 L
16.6 US gallons
13.9 UK gallons
70 L
18.5 US gallons
15.4 UK gallons
57 L
15.1 US gallons
12.5 UK gallons
CO2 emissions
226 g/Km (BMW)
192 g/Km (BMW)
132 g/Km (BMW)
Emission standard
Euro VI






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