The Roadster R1 is a motor vehicle from Roding, with rear wheel drive, a mid mounted engine and a 2 door roadster body style.
It's powered courtesy of a turbocharged engine of 3 litre capacity. This unit features double overhead camshaft valve gear, 6 cylinder layout, and 4 valves per cylinder. It develops 315.5 bhp (320 PS/235 kW) of power at 5800-6000 rpm, and maximum torque of 450 N·m (332 lb·ft/45.9 kgm) at 1300-4500 rpm.
A 6 speed manual gearbox delivers the power to the driven wheels.
It weighs a claimed 950 kg at the kerb.
It is claimed to manage a maxiumum speed of 285 km/h or 177 mph, quoted fuel consumption figures are 11.0/6.7/8.2 l/100km urban/extra-urban/combined.
Full specs
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| bodywork | |||
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| Body type | 2 seater roadster | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2495 mm | 98.2 inches | |
| Track/tread (front) | 1620 mm | 63.8 inches | |
| Track/tread (rear) | 1610 mm | 63.4 inches | |
| Length | 4106 mm | 161.7 inches | |
| Width | |||
| Height | 1190 mm | 46.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.65 | ||
| Kerb weight | 950 kg | 2094 lb | |
| Weight distribution | 40% front | ||
| fuel tank capacity | 55 litres | 12.1 [14.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 3 litre 2979 cc (181.79 cu in) |
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| Bore × Stroke | 84 × 89.6 mm
3.31 × 3.53 in |
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| Bore/stroke ratio | 0.94 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 320 PS (315.5 bhp) (235 kW) at 5800-6000 rpm |
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| maximum torque | 450 Nm (332 ft·lb) (45.9 kgm) at 1300-4500 rpm |
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| Specific output | 79 kW/litre 107.4 ps/litre 105.9 bhp/litre 1.74 bhp/cu in |
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| Specific torque |
151.06 Nm/litre
1.83 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | |||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1898.2 kPa (275.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 496.5 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 3.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 285 km/h (177 mph) | ||
| Power-to-weight ratio | Higher is better 336.72 PS/tonne (1000 kg) 0.34 PS/kg 247.65 kW/tonne (1000 kg) 0.25 kW/kg 332.11 bhp/tonne (1000 kg) 0.33 bhp/kg 0.15 bhp/lb |
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| Weight-to-power ratio | Lower is better 4.04 kg/kW 6.74 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 11.0/6.7/8.2 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 11.0/6.7/8.2 l/100km urban/extra-urban/combined | ||
| km/litre | 9.1/14.9/12.2 km/l urban/extra-urban/combined | ||
| UK MPG | 25.7/42.2/34.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 21.4/35.1/28.7 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | mid | ||
| Engine layout | transverse | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| 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 manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 618079 | ||
| Production total | |||
| Model code | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2012 Roding Roadster R1 added 2019-12-02. Last modified 2020-03-16. |
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