The Caterham Roadsport 1.8 is a roadster with a front mounted engine which transmits the power to the rear wheels.
Its 4 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a capacity of 1.8 litres. For this model it musters power and torque figures of 122 bhp (124 PS/91 kW) at 5700 rpm and 166 Nm (122 lbft/16.9 kgm) at 3000 rpm respectively.
The engine transmits power to the wheels via a 5 speed manual transmission.
The Caterham Roadsport 1.8 weighs a stated 550 kg at the kerb.
Maximum quoted speed is 190 km/h (118 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater roadster | ||
| Number of doors | 0 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2225 mm | 87.6 inches | |
| Track/tread (front) | 1270 mm | 50 inches | |
| Track/tread (rear) | 1336 mm | 52.6 inches | |
| Length | 3380 mm | 133.1 inches | |
| Width | 1575 mm | 62 inches | |
| Height | 1115 mm | 43.9 inches | |
| Ground clearance | 110 mm | 4.3 inches | |
| length:wheelbase ratio | 1.52 | ||
| Kerb weight | 550 kg | 1213 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Rover | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.8 litre 1795 cc (109.538 cu in) |
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| Bore × Stroke | 80 × 89.3 mm
3.15 × 3.52 in |
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| Bore/stroke ratio | 0.9 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
124 PS (122 bhp) (91 kW) at 5700 rpm |
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| maximum torque (DIN) |
166 Nm (122 ft·lb) (16.9 kgm) at 3000 rpm |
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| Specific output (DIN) |
50.7 kW/litre 68.9 ps/litre 68 bhp/litre 1.11 bhp/cu in |
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| Specific torque (DIN) |
92.48 Nm/litre
1.12 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 10.5:1 | ||
| Fuel system | Rover MEMS 1.9 fuel inj. | ||
| bmep (brake mean effective pressure) | 1162.1 kPa (168.6 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 448.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 5.8 s | ||
| Acceleration 0-100km/h | 6 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 190 km/h (118 mph) | ||
| Power-to-weight ratio | Higher is better 224.9 PS/tonne (1000 kg) 0.22 PS/kg 165.41 kW/tonne (1000 kg) 0.17 kW/kg 221.82 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.05 kg/kW 10.1 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 | 2.120 | ||
| Turning circle | 10.00 m | ||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | dD.RA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.82 | ||
| Final drive ratio | 3.92 | ||
| general | |||
| Carfolio.com ID | 85184 | ||
| Production total | |||
| Model code | |||
| RAC rating | 15.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2001 Caterham Roadsport 1.8 added 2001-08-03. Last modified 2013-02-28. |
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