The Porsche 911 GT3 S/C is a convertible/cabriolet with 2 doors and a rear mounted engine which delivers the power through the rear wheels.
The 911 GT3 S/C forms part of Porsche's 992.II series of cars.
Power is supplied by a double overhead camshaft, 4 litre naturally aspirated dry-sumped 6 cylinder motor, with 4 valves per cylinder that develops power and torque figures of 503 bhp (510 PS/375 kW) at 8500 rpm and 450 N·m (332 lb·ft/45.9 kgm) at 6250 rpm respectively. Lubrication is of the dry sump-type.
The engine transmits power to the wheels via a 6 speed manual transmission.
It weighs a quoted 1572 kg at the kerb.
Top quoted speed is 313 km/h (194 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2457 mm | 96.7 inches | |
| Track/tread (front) | 1601 mm | 63 inches | |
| Track/tread (rear) | 1553 mm | 61.1 inches | |
| Length | 4570 mm | 179.9 inches | |
| Width | 1852 mm | 72.9 inches | |
| Height | 1279 mm | 50.4 inches | |
| Ground clearance | 100 mm | 3.9 inches | |
| length:wheelbase ratio | 1.86 | ||
| Kerb weight | 1572 kg | 3466 lb | |
| Weight distribution | |||
| fuel tank capacity | 63 litres | 13.9 [16.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Porsche | ||
| Engine code | |||
| Cylinders | Flat 6 | ||
| Capacity | 4 litre 3996 cc (243.851 cu in) |
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| Bore × Stroke | 102 × 81.5 mm
4.02 × 3.21 in |
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| Bore/stroke ratio | 1.25 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 510 PS (503 bhp) (375 kW) at 8500 rpm |
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| maximum torque | 450 Nm (332 ft·lb) (45.9 kgm) at 6250 rpm |
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| Specific output | 93.9 kW/litre 127.6 ps/litre 125.9 bhp/litre 2.06 bhp/cu in |
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| Specific torque |
112.61 Nm/litre
1.36 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | dry sumped | ||
| compression ratio | 13.3:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1415.1 kPa (205.2 psi) | ||
| Maximum RPM | 9000 rpm | ||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 666 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 3.9 s | ||
| Acceleration 0-160km/h (100mph) | 7.9 s | ||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 313 km/h (194 mph) | ||
| Power-to-weight ratio | Higher is better 324.42 PS/tonne (1000 kg) 0.32 PS/kg 238.61 kW/tonne (1000 kg) 0.24 kW/kg 319.97 bhp/tonne (1000 kg) 0.32 bhp/kg 0.14 bhp/lb |
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| Weight-to-power ratio | Lower is better 4.19 kg/kW 7 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| 310.00 g/km WLTP | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 9½J x 20 ET46 | ||
| Wheel size rear | 12J x 21 ET45 | ||
| Tyres front | 255/35 ZR 20 | ||
| Tyres rear | 315/30 ZR 21 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 408 mm | ||
| Rear brake diameter | 380 mm | ||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 854953 | ||
| Production total | |||
| Model code | |||
| Model family | 992.II | ||
| RAC rating | 38.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2026 Porsche 911 GT3 S/C added 2026-04-21. Last modified 2026-04-21. |
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