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Engine Technical Data
Engine type - Number of cylinders
Inline 4
Inline 4
Inline 6
Fuel type
Petrol
Petrol
Petrol
Fuel System
Direct Injection.
Direct Injection.
Direct Injection.
Engine Alignment
Longitudinal
Longitudinal
Longitudinal
Engine Position
Front
Front
Front
Engine displacement
121.9 cu-in / 1998 cm3
121.9 cu-in / 1998 cm3
181.8 cu-in / 2979 cm3
Bore
3.23 inches
82.0 mm
3.23 inches
82.0 mm
3.31 inches
84.0 mm
Stroke
3.72 inches
94.6 mm
3.72 inches
94.6 mm
3.53 inches
89.6 mm
Number of valves
16
16
24
Aspiration
Turbo + Intercooler
Turbo + Intercooler
Turbo + Intercooler
Compression Ratio
10.2
10.2
10
Horsepower
249 HP / 252 PS / 185 kW @ 5200 rpm
249 HP / 252 PS / 185 kW @ 5200 rpm
316 HP / 320 PS / 235 kW @ 5800-6000 rpm
Maximum torque
258 lb-ft / 350 Nm @ 1450-4800 rpm
258 lb-ft / 350 Nm @ 1450-4800 rpm
331 lb-ft / 450 Nm @ 1300-4500 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
RWD
Transmission Gearbox - Number of speeds
8
8
8
Clutch Type
Automatic
Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Cabrio
Cabrio
Num. of Doors
2
2
2
Num. of Seats
4
4
4
Seat distribution
2+2
2+2
2+2
Wheelbase
105.91 inches / 269.0 cm
110.63 inches / 281.0 cm
112.4 inches / 285.5 cm
Length
174.49 inches / 443.2 cm
182.68 inches / 464.0 cm
192.68 inches / 489.4 cm
Width
69.84 inches / 177.4 cm
71.85 inches / 182.5 cm
74.57 inches / 189.4 cm
Height
55.63 inches / 141.3 cm
54.49 inches / 138.4 cm
53.74 inches / 136.5 cm
Front Axle
59.88 inches / 152.1 cm
60.79 inches / 154.4 cm
62.99 inches / 160.0 cm
Rear Axle
61.26 inches / 155.6 cm
62.72 inches / 159.3 cm
65.24 inches / 165.7 cm
Aerodynamic drag coefficient - Cx
0.31
Front Brakes - Disc dimensions
Vented Discs
Vented Discs
Vented Discs (13.7 inches / 348 mm)
Rear Brakes - Disc dimensions
Discs
Vented Discs
Vented Discs (13.58 inches / 345 mm)
Front Tyres - Rims dimensions
205/50 R17
225/50 R17
225/55 R17
Rear Tyres - Rims dimensions
205/50 R17
225/50 R17
225/55 R17
Front Wheels Width
7.0
7.5
8.0
Rear Wheels Width
7.0
7.5
8.0
Curb Weight
3638 lbs / 1650 kg
3990 lbs / 1810 kg
4222 lbs / 1915 kg
Weight/Power Output Ratio
6.55 Kg/hp
7.18 Kg/hp
5.98 Kg/hp
Trunk / Boot capacity
11.8 cu-ft / 335 L
13.1 cu-ft / 370 L
12.4 cu-ft / 350 L
Steering
Rack and pinion Electric
Rack and pinion Electric
Rack and pinion Electric
Front Suspension
MacPherson struts. Coil springs.
MacPherson struts. Coil springs.
Coil springs.
Rear Suspension
Coil Springs.
Coil Springs.
Coil Springs.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
5.9 s
6.3 s
5.7 s
Acceleration 0 to 1000m
25.2 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
31 MPG
7.5 L/100 km
38 MPG UK
31 MPG
7.5 L/100 km
38 MPG UK
22 MPG
10.7 L/100 km
26 MPG UK
Fuel Consumption - Economy - Open road NEDC
45 MPG
5.2 L/100 km
54 MPG UK
47 MPG
5 L/100 km
56 MPG UK
39 MPG
6.1 L/100 km
46 MPG UK
Fuel Consumption - Economy - Combined NEDC
39 MPG
6 L/100 km
47 MPG UK
40 MPG
5.9 L/100 km
48 MPG UK
30 MPG
7.8 L/100 km
36 MPG UK
Fuel Tank Capacity
13.7 gallons
52 L
11.4 UK gallons
15.9 gallons
60 L
13.2 UK gallons
18.5 gallons
70 L
15.4 UK gallons
CO2 emissions
138 g/Km (BMW)
138 g/Km (BMW)
181 g/Km (BMW)
Emission standard
Euro 6
Euro 6
Euro V