The Austin A90 Atlantic is a convertible/cabriolet with 4 doors and a front mounted powerplant which delivers its power to the rear wheels.
Power is produced by an overhead valve, 2.7 litre naturally aspirated 4 cylinder motor, with 2 valves per cylinder that develops power and torque figures of 88 bhp (89 PS/66 kW) at 4000 rpm and 190 N·m (140 lb·ft/19.4 kgm) at 2500 rpm respectively.
Power is supplied to the wheels through a 4 speed manual gearbox.
With a stated kerb weight of 1359 kg, the Austin A90 Atlantic manages to cover the 0-60 mph dash in 22.2 seconds and the quarter mile from rest in 20.9 seconds.
The Austin A90 Atlantic is claimed to achieve a top speed of 135 km/h or 84 mph.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2438 mm | 96 inches | |
| Track/tread (front) | 1359 mm | 53.5 inches | |
| Track/tread (rear) | 1410 mm | 55.5 inches | |
| Length | 4496 mm | 177 inches | |
| Width | 1778 mm | 70 inches | |
| Height | 1549 mm | 61 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.84 | ||
| Kerb weight | 1359 kg | 2996 lb | |
| Weight distribution | 52.3% front | ||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Austin | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2.7 litre 2660 cc (162.323 cu in) |
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| Bore × Stroke | 87.3 × 111.1 mm
3.44 × 4.37 in |
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| Bore/stroke ratio | 0.79 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output | 89 PS (88 bhp) (66 kW) at 4000 rpm |
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| maximum torque | 190 Nm (140 ft·lb) (19.4 kgm) at 2500 rpm |
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| Specific output | 24.7 kW/litre 33.5 ps/litre 33.1 bhp/litre 0.54 bhp/cu in |
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| Specific torque |
71.43 Nm/litre
0.86 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 7.5:1 | ||
| Fuel system | 2 SU carburettors | ||
| bmep (brake mean effective pressure) | 897.6 kPa (130.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 665 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 14.9 s | ||
| Acceleration 0-60mph | 22.2 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 20.9 s | ||
| Standing kilometre | |||
| Maximum speed | 135 km/h (84 mph) | ||
| Power-to-weight ratio | Higher is better 65.65 PS/tonne (1000 kg) 0.07 PS/kg 48.29 kW/tonne (1000 kg) 0.05 kW/kg 64.75 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 20.71 kg/kW 34.59 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 | 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 | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.70 | ||
| general | |||
| Carfolio.com ID | 50248 | ||
| Production total | |||
| Model code | |||
| RAC rating | 18.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1949 Austin A90 Atlantic added before December 1995. Last modified 2013-02-28. |
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