The Atom 4RR is an automobile from Ariel, with rear wheel drive, a mid positioned engine and a roadster body style.
The 2 litre engine is a turbocharged, double overhead camshaft, 4 cylinder that has an output of 525 bhp (532 PS/391 kW) of power at 8200 rpm, and maximum torque of 550 N·m (406 lb·ft/56.1 kgm) at 5200 rpm.
Power is transmitted to the wheels via a 6 speed manual gearbox.
Top claimed speed is 282 km/h (175 mph).
Full specs
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| Carrosserie | |||
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| Carrosserie | 2 seater roadster | ||
| Nombre de portes | 0 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2390 | 94.1 | |
| Voies AV | 1600 | 63 | |
| Voies AR | 1615 | 63.6 | |
| Longueur | 3520 | 138.6 | |
| Largeur | 1880 | 74 | |
| Hauteur | 1122 | 44.2 | |
| Garde au sol | |||
| 1.47 | |||
| Poids avec pleins | |||
| Répartition poids AV | |||
| Réservoir à essence | 40 litres | 8.8 [10.6] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| turbocharged petrol | |||
| Constructeur du moteur | Honda | ||
| Type moteur | K20C | ||
| Cylinders | Straight 4 | ||
| Cylindrée | 2 litre 1996 cc (121.803 cu in) |
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| Alésage × Course | 86 × 85.9 mm
3.39 × 3.38 in |
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| Rapport alésage / course | 1 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale | 532 PS (525 bhp) (391 kW) à 8200 tr/mn |
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| Couple maximale | 550 Nm (406 ft·lb) (56.1 kgm) à 5200 tr/mn |
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| Specific output | 196.1 kW/litre 266.7 ps/litre 263 bhp/litre 4.31 bhp/cu in |
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275.55 Nm/litre
3.33 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | |||
| Carburant | |||
| bmep (brake mean effective pressure) | 3462.7 kPa (502.2 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 499 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | |||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 2.4 s | ||
| 0-160km/h | 5.1 s | ||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 282 km/h (175 mph) | ||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| 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 | mid | ||
| Engine layout | transverse | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | 2.000 | ||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 7J x 16 | ||
| Roues AR | 9J x 17 | ||
| Pneumatiques AV | Yokohama A052 195/50 R 16 | ||
| Pneumatiques AR | Yokohama A052 225/40 R 17 | ||
| Freins AV/AR | VeDi/VeDi-S | ||
| Diamètre des freins AV | 310 mm | ||
| Diamètre des freins AR | 310 mm | ||
| Braked area | |||
| Transmission | 6 speed manual | ||
| Rapport de démultiplication supérieure | |||
| Rapport de pont | |||
| Généralités | |||
| Carfolio.com ID | 856394 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 18.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2025 Ariel Atom 4RR added 2026-06-06. Last modified 2026-06-07. |
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