The Sunbeam-Talbot Mk IIA is a saloon (sedan) with 4 doors and a front mounted powerplant which transmits the power through the rear wheels.
It's powered courtesy of a naturally aspirated engine of 2.3 litre capacity. This unit features overhead valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 70 bhp (71 PS/52 kW) of power at 4000 rpm, and maximum torque of 153 N·m (113 lb·ft/15.6 kgm) at 2400 rpm.
Power is transferred to the wheels by means of a 4 speed manual gearbox.
Having a claimed kerb weight of 1588 kg, the Sunbeam-Talbot Mk IIA performs the 0-60 mph sprint in 20.8 seconds and the standing-start quarter mile in 22.2 seconds.
Maximum quoted speed is 131 km/h, or 81 mph.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2477 mm | 97.5 inches | |
| Track/tread (front) | 1107 mm | 43.6 inches | |
| Track/tread (rear) | 1283 mm | 50.5 inches | |
| Length | 4255 mm | 167.5 inches | |
| Width | 1588 mm | 62.5 inches | |
| Height | 1543 mm | 60.7 inches | |
| Ground clearance | 168 mm | 6.6 inches | |
| length:wheelbase ratio | 1.72 | ||
| Kerb weight | 1588 kg | 3501 lb | |
| Weight distribution | 49.7% front | ||
| fuel tank capacity | 45.5 litres | 10 [12] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | 1.76 m² | ||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Sunbeam-Talbot | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2.3 litre 2267 cc (138.341 cu in) |
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| Bore × Stroke | 81 × 110 mm
3.19 × 4.33 in |
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| Bore/stroke ratio | 0.74 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output | 71 PS (70 bhp) (52 kW) at 4000 rpm |
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| maximum torque | 153 Nm (113 ft·lb) (15.6 kgm) at 2400 rpm |
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| Specific output | 23 kW/litre 31.3 ps/litre 30.9 bhp/litre 0.51 bhp/cu in |
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| Specific torque |
67.49 Nm/litre
0.82 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 6.45:1 | ||
| Fuel system | 1 St carb | ||
| bmep (brake mean effective pressure) | 848.1 kPa (123 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 566.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 14.4 s | ||
| Acceleration 0-60mph | 20.8 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 22.2 s | ||
| Standing kilometre | |||
| Maximum speed | 131 km/h (81 mph) | ||
| Power-to-weight ratio | Higher is better 44.69 PS/tonne (1000 kg) 0.04 PS/kg 32.87 kW/tonne (1000 kg) 0.03 kW/kg 44.08 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 30.42 kg/kW 50.82 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 | 3.600 | ||
| Turning circle | 11.10 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.50 x 16 | ||
| Tyres rear | 5.50 x 16 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 865 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 44473 | ||
| Production total | |||
| Model code | |||
| RAC rating | 16.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1952 Sunbeam-Talbot Mk IIA added before December 1995. Last modified 2013-02-28. |
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