The David Brown Automotive Speedback GT is a 2 door coupé-bodied car styled by Alan Mobberley with a front located engine driving through the rear wheels.
It's powered courtesy of a supercharged engine of 5 litre capacity. This unit features double overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 4 valves per cylinder. It produces 503 bhp (510 PS/375 kW) of power at 6000-6500 rpm, and maximum torque of 625 N·m (461 lb·ft/63.7 kgm) at 4030 rpm.
The engine powers the wheels via a 6 speed automatic transmission.
Claimed kerb weight is 1920 kg.
Maximum speed claimed is 250 km/h or 155 mph, claimed fuel consumption figures are 18.9/8.6/12.3 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 292.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Alan Mobberley | ||
| dimensions & weights | |||
| Wheelbase | 2750 mm | 108.3 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 4760 mm | 187.4 inches | |
| Width | 1860 mm | 73.2 inches | |
| Height | 1350 mm | 53.1 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.73 | ||
| Kerb weight | 1920 kg | 4233 lb | |
| Weight distribution | |||
| fuel tank capacity | 70.6 litres | 15.5 [18.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | supercharged petrol | ||
| Engine manufacturer | Jaguar | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5 litre 5000 cc (305.119 cu in) |
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| Bore × Stroke | 92.5 × 93 mm
3.64 × 3.66 in |
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| Bore/stroke ratio | 0.99 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output (EEC) |
510 PS (503 bhp) (375 kW) at 6000-6500 rpm |
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| maximum torque (EEC) |
625 Nm (461 ft·lb) (63.7 kgm) at 4030 rpm |
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| Specific output (EEC) |
75 kW/litre 102 ps/litre 100.6 bhp/litre 1.65 bhp/cu in |
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| Specific torque (EEC) |
125 Nm/litre
1.51 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.5:1 | ||
| Fuel system | |||
| bmep (brake mean effective pressure) | 1570.8 kPa (227.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 625 cc | ||
| Aspiration | S/Charged | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 4.6 s | ||
| Acceleration 0-100km/h | 4.8 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 265.62 PS/tonne (1000 kg) 0.27 PS/kg 195.36 kW/tonne (1000 kg) 0.2 kW/kg 261.98 bhp/tonne (1000 kg) 0.26 bhp/kg 0.12 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.12 kg/kW 8.55 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 18.9/8.6/12.3 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 18.9/8.6/12.3 l/100km urban/extra-urban/combined | ||
| km/litre | 5.3/11.6/8.1 km/l urban/extra-urban/combined | ||
| UK MPG | 14.9/32.8/23.0 UK MPG urban/extra-urban/combined | ||
| US MPG | 12.4/27.4/19.1 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 292.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | front | ||
| 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 | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 560956 | ||
| Production total | |||
| Model code | |||
| RAC rating | 42.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2016 David Brown Automotive Speedback GT added 2018-10-17. Last modified 2020-03-16. |
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