The 911 Speedster is a passenger car from Porsche, with rear wheel drive, a rear mounted engine and a 2 door convertible/cabriolet body style.
It is part of Porsche's 997 model series.
Powering the Porsche 911 Speedster is a double overhead camshaft, 3.8 litre naturally aspirated dry-sumped 6 cylinder motor, with 4 valves per cylinder that provides power and torque figures of 402 bhp (408 PS/300 kW) at 7300 rpm and 420 N·m (310 lb·ft/42.8 kgm) at 4200-5600 rpm respectively. Lubrication is of the dry sump-type.
The engine powers the wheels via a 7 speed automatic gearbox.
It weighs a quoted 1540 kg at the kerb.
Maximum quoted speed is 305 km/h (190 mph), official fuel consumption figures are 15.5/7.3/10.3 l/100km urban/extra-urban/combined (EU5), and carbon dioxide emissions are 242.0 g/km.
Full specs
|
|
|||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2350 mm | 92.5 inches | |
| Track/tread (front) | 1492 mm | 58.7 inches | |
| Track/tread (rear) | 1550 mm | 61 inches | |
| Length | 4440 mm | 174.8 inches | |
| Width | 1852 mm | 72.9 inches | |
| Height | 1284 mm | 50.6 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.89 | ||
| Kerb weight | 1540 kg | 3395 lb | |
| Weight distribution | |||
| fuel tank capacity | 64 litres | 14.1 [16.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.31 | ||
| Frontal area | 2.05 m² | ||
| CdA | 0.64 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Porsche | ||
| Engine code | |||
| Cylinders | Flat 6 | ||
| Capacity | 3.8 litre 3800 cc (231.89 cu in) |
||
| Bore × Stroke | 102 × 77.5 mm
4.02 × 3.05 in |
||
| Bore/stroke ratio | 1.32 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
||
| maximum power output | 408 PS (402 bhp) (300 kW) at 7300 rpm |
||
| maximum torque | 420 Nm (310 ft·lb) (42.8 kgm) at 4200-5600 rpm |
||
| Specific output | 78.9 kW/litre 107.3 ps/litre 105.8 bhp/litre 1.73 bhp/cu in |
||
| Specific torque |
110.53 Nm/litre
1.34 ft·lb/cu3 |
||
| Engine construction | |||
| Lubrication | dry sumped | ||
| compression ratio | 12.5:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1388.9 kPa (201.4 psi) | ||
| Maximum RPM | 7500 rpm | ||
| crankshaft bearings | 8 | ||
| Engine coolant | Water | ||
| Unitary capacity | 633.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 4.4 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 305 km/h (190 mph) | ||
| Power-to-weight ratio | Higher is better 264.67 PS/tonne (1000 kg) 0.26 PS/kg 194.66 kW/tonne (1000 kg) 0.19 kW/kg 261.04 bhp/tonne (1000 kg) 0.26 bhp/kg 0.12 bhp/lb |
||
| Weight-to-power ratio | Lower is better 5.14 kg/kW 8.58 lb/bhp |
||
| fuel consumption | |||
| Fuel consumption | 15.5/7.3/10.3 l/100km urban/extra-urban/combined (EU5) | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 15.5/7.3/10.3 l/100km urban/extra-urban/combined | ||
| km/litre | 6.5/13.7/9.7 km/l urban/extra-urban/combined | ||
| UK MPG | 18.2/38.7/27.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 15.2/32.2/22.8 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 242.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | L | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.MS.W.CS. | ||
| Rear suspension | I.MultiLi.CS. | ||
| Wheel size front | 8½J x 19 | ||
| Wheel size rear | 11½J x 19 | ||
| Tyres front | 235/35 ZR 19 | ||
| Tyres rear | 305/30 ZR 19 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 350 mm | ||
| Rear brake diameter | 350 mm | ||
| Braked area | |||
| Gearbox | 7 speed automatic | ||
| Top gear ratio | 0.62 | ||
| Final drive ratio | 3.44 | ||
| general | |||
| Carfolio.com ID | 220143 | ||
| Production total | |||
| Model code | |||
| Model family | 997 | ||
| RAC rating | 38.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
2010 Porsche 911 Speedster added 2010-10-07. Last modified 2020-02-02. |
|||
