This vehicle has a 2 door convertible/cabriolet type body with a front mounted engine driving through the rear wheels.
The 4 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a volume of 1.5 litres. For this model it provides power and torque figures of 129 bhp (131 PS/96 kW) at 7000 rpm and 150 Nm (111 lbft/15.3 kgm) at 4800 rpm respectively.
The engine supplies its power through to the wheels via a 6 speed automatic transmission.
It weighs a quoted 1050 kg at the kerb.
Full specs
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Applicable to the Japanese (JDM) domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2310 mm | 90.9 inches | |
| Track/tread (front) | 1495 mm | 58.9 inches | |
| Track/tread (rear) | 1505 mm | 59.3 inches | |
| Length | 3915 mm | 154.1 inches | |
| Width | 1735 mm | 68.3 inches | |
| Height | 1235 mm | 48.6 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 1050 kg | 2315 lb | |
| Weight distribution | |||
| fuel tank capacity | 40 litres | 8.8 [10.6] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mazda | ||
| Engine code | SKYACTIV-G 1.5 | ||
| Cylinders | Straight 4 | ||
| Capacity | 1.5 litre 1496 cc (91.292 cu in) |
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| Bore × Stroke | 74.5 × 85.8 mm
2.93 × 3.38 in |
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| Bore/stroke ratio | 0.87 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (JIS net) |
131 PS (129 bhp) (96 kW) at 7000 rpm |
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| maximum torque (JIS net) |
150 Nm (111 ft·lb) (15.3 kgm) at 4800 rpm |
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| Specific output (JIS net) |
64.3 kW/litre 87.4 ps/litre 86.2 bhp/litre 1.41 bhp/cu in |
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| Specific torque (JIS net) |
100.27 Nm/litre
1.21 ft·lb/cu3 |
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| Engine construction | aluminium block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 13:1 | ||
| Fuel system | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1260 kPa (182.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 374 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 124.56 PS/tonne (1000 kg) 0.12 PS/kg 91.61 kW/tonne (1000 kg) 0.09 kW/kg 122.86 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.92 kg/kW 18.23 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 | 125.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | D | ||
| CO2 Effizienz (DE) | D | ||
| 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 | 6½J x 16 | ||
| Wheel size rear | 6½J x 16 | ||
| Tyres front | 195/50 R 16 84V | ||
| Tyres rear | 195/50 R 16 84V | ||
| Brakes F/R | VeDi/Di-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | 0.58 | ||
| Final drive ratio | 4.10 | ||
| general | |||
| Carfolio.com ID | 425359 | ||
| Production total | |||
| Model code | |||
| RAC rating | 13.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2015 Mazda Roadster S Special Package Automatic added 2015-05-31. Last modified 2020-02-02. |
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