The Roadster M is a rear wheel drive convertible/cabriolet automobile with a front placed engine, manufactured by Mazda.
It is powered by a naturally aspirated engine of 1.6 litre capacity. This powerplant features double overhead camshaft valve gear, 4 cylinder layout, and 4 valves per cylinder. It develops 123 bhp (125 PS/92 kW) of power at 6500 rpm, and maximum torque of 142 N·m (105 lb·ft/14.5 kgm) at 5000 rpm.
The engine transfers its power through to the wheels via a 5 speed manual gearbox.
Its claimed kerb weight is 1030 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2265 | 89.2 | |
| Voies AV | 1415 | 55.7 | |
| Voies AR | 1440 | 56.7 | |
| Longueur | 3955 | 155.7 | |
| Largeur | 1680 | 66.1 | |
| Hauteur | 1235 | 48.6 | |
| Garde au sol | 135 | 5.3 | |
| 1.75 | |||
| Poids avec pleins | 1030 kg | 2271 | |
| Répartition poids AV | |||
| Réservoir à essence | 48 litres | 10.6 [12.7] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Mazda | ||
| Type moteur | B6-ZE RS | ||
| Cylinders | Straight 4 | ||
| Cylindrée | 1.6 litre 1598 cc (97.516 cu in) |
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| Alésage × Course | 78 × 83.6 mm
3.07 × 3.29 in |
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| Rapport alésage / course | 0.93 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (JIS) |
125 PS (123 bhp) (92 kW) à 6500 tr/mn |
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| Couple maximale (JIS) |
142 Nm (105 ft·lb) (14.5 kgm) à 5000 tr/mn |
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| Specific output (JIS) |
57.4 kW/litre 78 ps/litre 77 bhp/litre 1.26 bhp/cu in |
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(JIS) |
88.86 Nm/litre
1.07 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 9.4:1 | ||
| Carburant | EFi | ||
| bmep (brake mean effective pressure) | 1116.7 kPa (162 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 399.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | Higher is better 121.08 PS/tonne (1000 kg) 0.12 PS/kg 89.05 kW/tonne (1000 kg) 0.09 kW/kg 119.42 bhp/tonne (1000 kg) 0.12 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 11.23 kg/kW 18.76 lb/bhp |
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| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | I.DW.CS. | ||
| Suspension AR | I.DW.CS. | ||
| Roues AV | 6JJ x 14 | ||
| Roues AR | 6JJ x 14 | ||
| Pneumatiques AV | 185/60 R 14 82H | ||
| Pneumatiques AR | 185/60 R 14 82H | ||
| Freins AV/AR | VeDi/Di-S-ABS | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 5 speed manual | ||
| Rapport de démultiplication supérieure | 0.81 | ||
| Rapport de pont | 4.30 | ||
| Généralités | |||
| Carfolio.com ID | 110473 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 15.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2003 Mazda Roadster M added 2003-05-15. Last modified 2013-02-28. |
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