The Roadster RS is a rear wheel drive convertible/cabriolet motor vehicle with a front placed engine, from Mazda.
Its engine is a naturally aspirated petrol, 1.8 litre, double overhead camshaft 4 cylinder with 4 valves per cylinder. This powerplant produces 158 bhp (160 PS/118 kW) of power at 7000 rpm, and maximum torque of 170 N·m (125 lb·ft/17.3 kgm) at 5500 rpm.
This power is supplied to the wheels by means of a 6 speed manual transmission.
Its stated weight at the kerb is 1080 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2265 mm | 89.2 inches | |
| Track/tread (front) | 1415 mm | 55.7 inches | |
| Track/tread (rear) | 1440 mm | 56.7 inches | |
| Length | 3955 mm | 155.7 inches | |
| Width | 1680 mm | 66.1 inches | |
| Height | 1235 mm | 48.6 inches | |
| Ground clearance | 130 mm | 5.1 inches | |
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | 1080 kg | 2381 lb | |
| Weight distribution | |||
| fuel tank capacity | 48 litres | 10.6 [12.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mazda | ||
| Engine code | BP-VE RS | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.8 litre 1840 cc (112.284 cu in) |
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| Bore × Stroke | 83 × 85 mm
3.27 × 3.35 in |
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| Bore/stroke ratio | 0.98 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (JIS) |
160 PS (158 bhp) (118 kW) at 7000 rpm |
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| maximum torque (JIS) |
170 Nm (125 ft·lb) (17.3 kgm) at 5500 rpm |
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| Specific output (JIS) |
64 kW/litre 87.1 ps/litre 85.9 bhp/litre 1.41 bhp/cu in |
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| Specific torque (JIS) |
92.39 Nm/litre
1.12 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10.5:1 | ||
| Fuel system | EFi | ||
| bmep (brake mean effective pressure) | 1161 kPa (168.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 460 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 148.33 PS/tonne (1000 kg) 0.15 PS/kg 109.09 kW/tonne (1000 kg) 0.11 kW/kg 146.3 bhp/tonne (1000 kg) 0.15 bhp/kg 0.07 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.17 kg/kW 15.31 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 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.DW.CS. | ||
| Rear suspension | I.DW.CS. | ||
| Wheel size front | 6½JJ x 16 | ||
| Wheel size rear | 6½JJ x 16 | ||
| Tyres front | 205/45 R 16 | ||
| Tyres rear | 205/45 R 16 | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.84 | ||
| Final drive ratio | 3.91 | ||
| general | |||
| Carfolio.com ID | 110242 | ||
| Production total | |||
| Model code | |||
| RAC rating | 17.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2003 Mazda Roadster RS added 2003-05-15. Last modified 2013-02-28. |
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