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Engine Technical Data
Engine type - Number of cylinders
Boxer 6
Boxer 6
Fuel type
Petrol
Petrol
Fuel System
Direct Injection
Engine Alignment
Longitudinal
Engine Position
Central
Central
Engine displacement
243.8 cu-in / 3995 cm3
206.7 cu-in / 3387 cm3
Bore
4.02 inches
102.0 mm
3.78 inches
96 mm
Stroke
3.21 inches
81.5 mm
3.07 inches
78 mm
Number of valves
24
24
Aspiration
N/A
Compression Ratio
12.5
Total System Power
414 HP / 420 PS / 309 kW
Total System Torque
309 lb-ft / 420 Nm
Horsepower
414 HP / 420 PS / 309 kW @ 7600 rpm
316 HP / 320 PS / 235 kW @ 7200 rpm
Maximum torque
309 lb-ft / 420 Nm @ 5000 rpm
272 lb-ft / 370 Nm @ 4750 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
7
7
Clutch Type
Dualclutch Automatic
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Num. of Doors
2
2
Num. of Seats
2
2
Wheelbase
97.8 inches / 248.4 cm
95.08 inches / 241.5 cm
Length
174.41 inches / 443.0 cm
170.94 inches / 434.2 cm
Width
70.91 inches / 180.1 cm
70.91 inches / 180.1 cm
Height
49.53 inches / 125.8 cm
48.46 inches / 123.1 cm
Front Axle
60.55 inches / 153.8 cm
Rear Axle
60.39 inches / 153.4 cm
Aerodynamic drag coefficient - Cx
0.3
Front Brakes - Disc dimensions
Vented Discs (12.99 inches / 330 mm)
Vented Discs (12.52 inches / 318 mm)
Rear Brakes - Disc dimensions
Vented Discs (11.77 inches / 299 mm)
Vented Discs (11.77 inches / 299 mm)
Front Tyres - Rims dimensions
245/35 R20
235/35 R19
Rear Tyres - Rims dimensions
295/30 R20
265/35 R19
Curb Weight
3397 lbs / 1541 kg
3031 lbs / 1375 kg
Dry Weight
3142 lbs / 1425 kg
Weight/Power Output Ratio
3.67 Kg/hp
4.3 Kg/hp
Trunk / Boot capacity
9.5 cu-ft / 270 L
Turning circle
36.1 feet / 11.0 m
Front Suspension
Independent. MacPherson. Coil Springs. Anti-roll bar.
Independent MacPherson struts. Coil springs. Anti-roll bar.
Rear Suspension
Independent. Coil Springs. Anti-roll bar.
Independent MacPherson struts. Coil Springs. Anti-roll bar.
Top Speed
186 Mph / 300 km/h
165 Mph / 265 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
3.9 s
5 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
17 MPG
14 L/100 km
20 MPG UK
Fuel Consumption - Economy - Open road NEDC
36 MPG
6.6 L/100 km
43 MPG UK
Fuel Consumption - Economy - Combined NEDC
25 MPG
9.3 L/100 km
30 MPG UK
Fuel Consumption - Economy - Low WLTP
14 MPG
16.8 L/100 km
17 MPG UK
Fuel Consumption - Economy - Medium WLTP
22 MPG
10.7 L/100 km
26 MPG UK
Fuel Consumption - Economy - Medium WLTP
22 MPG
10.7 L/100 km
26 MPG UK
Fuel Consumption - Economy - High WLTP
26 MPG
9.1 L/100 km
31 MPG UK
Fuel Consumption - Economy - Extra high WLTP
24 MPG
9.7 L/100 km
29 MPG UK
Fuel Consumption - Economy - Combined WLTP
22 MPG
10.7 L/100 km
26 MPG UK
Range WLTP
372 miles / 598 km
Fuel Tank Capacity
16.9 gallons
64 L
14.1 UK gallons
14.3 gallons
54 L
11.9 UK gallons
CO2 emissions
218 g/Km (Porsche)
CO2 emissions WLTP
242 g/Km (Porsche)