The Royale Coupé is a rear wheel drive coupé passenger car with a front placed engine, manufactured by Vauxhall.
Its 6 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 2.8 litres. In this application it develops power and torque figures of 140 bhp (142 PS/104 kW) at 5200 rpm and 218 Nm (161 lbft/22.2 kgm) at 3400 rpm respectively.
The engine delivers its power through to the wheels via a 3 speed automatic gearbox.
Quoted kerb weight is 1374 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 3 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2667 mm | 105 inches | |
| Track/tread (front) | 1443 mm | 56.8 inches | |
| Track/tread (rear) | 1466 mm | 57.7 inches | |
| Length | 4691 mm | 184.7 inches | |
| Width | 1735 mm | 68.3 inches | |
| Height | 1334 mm | 52.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | 1374 kg | 3029 lb | |
| Weight distribution | |||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Opel | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.8 litre 2784 cc (169.89 cu in) |
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| Bore × Stroke | 92 × 69.8 mm
3.62 × 2.75 in |
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| Bore/stroke ratio | 1.32 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (DIN) |
142 PS (140 bhp) (104 kW) at 5200 rpm |
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| maximum torque (DIN) |
218 Nm (161 ft·lb) (22.2 kgm) at 3400 rpm |
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| Specific output (DIN) |
37.5 kW/litre 51 ps/litre 50.3 bhp/litre 0.82 bhp/cu in |
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| Specific torque (DIN) |
78.3 Nm/litre
0.95 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9:1 | ||
| Fuel system | 1 So carb | ||
| bmep (brake mean effective pressure) | 984 kPa (142.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 464 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 103.31 PS/tonne (1000 kg) 0.1 PS/kg 75.98 kW/tonne (1000 kg) 0.08 kW/kg 101.89 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.16 kg/kW 21.98 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.MS.CS. | ||
| Rear suspension | I.STA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Di-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.45 | ||
| general | |||
| Carfolio.com ID | 50446 | ||
| Production total | |||
| Model code | |||
| RAC rating | 31.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1978 Vauxhall Royale Coupé added before December 1995. Last modified 2013-02-28. |
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