The Holmes Series 4 Touring is a rear wheel drive car, with the engine positioned in the front, and a 4 door tourer body designed by Robert Holmes.
The Holmes Series 4 Touring's engine is a naturally aspirated petrol, 4 litre, overhead valve 6 cylinder with 3 valves per cylinder. It develops 31 bhp (31.4 PS/23.1 kW) of power at 1600 rpm.
The engine powers the wheels through a 3 speed manual gearbox.
Its claimed kerb weight is 1338 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 7 seater tourer | ||
| Number of doors | 4 | ||
| Designer | Robert Holmes | ||
| dimensions & weights | |||
| Wheelbase | 3200 mm | 126 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | |||
| Width | |||
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | |||
| Kerb weight | 1338 kg | 2950 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Holmes | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 4 litre 4022 cc (245.437 cu in) |
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| Bore × Stroke | 88.9 × 108 mm
3.5 × 4.25 in |
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| Bore/stroke ratio | 0.82 | ||
| Valve gear | overhead valve (OHV)
3 valves per cylinder 18 valves in total |
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| maximum power output | 31.4 PS (31 bhp) (23.1 kW) at 1600 rpm |
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| maximum torque | |||
| Specific output | 5.7 kW/litre 7.8 ps/litre 7.7 bhp/litre 0.13 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | 1 Stromberg carburettor | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Air | ||
| Unitary capacity | 670.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| 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 23.49 PS/tonne (1000 kg) 0.02 PS/kg 17.28 kW/tonne (1000 kg) 0.02 kW/kg 23.17 bhp/tonne (1000 kg) 0.02 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 57.88 kg/kW 96.68 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 | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 34 x 4½ | ||
| Tyres rear | 34 x 4½ | ||
| Brakes F/R | -/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 206690 | ||
| Production total | |||
| Model code | |||
| RAC rating | 29.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1922 Holmes Series 4 Touring added 2009-10-18. Last modified 2013-02-28. |
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