The Executive Sedan is a rear wheel drive saloon (sedan) motor car with a front mounted engine, produced by Pontiac.
The Executive Sedan forms part of Pontiac's 256 series of cars.
It is powered by a naturally aspirated engine of 6.6 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It produces 340 bhp (345 PS/254 kW) of power at 4800 rpm, and maximum torque of 603 N·m (445 lb·ft/61.5 kgm) at 2900 rpm.
Power is supplied to the wheels by means of a 3 speed automatic gearbox.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3150 mm | 124 inches | |
| Track/tread (front) | 1600 mm | 63 inches | |
| Track/tread (rear) | 1626 mm | 64 inches | |
| Length | 5677 mm | 223.5 inches | |
| Width | 2027 mm | 79.8 inches | |
| Height | 1392 mm | 54.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Pontiac | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 6.6 litre 6554 cc (399.95 cu in) |
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| Bore × Stroke | 104.65 × 95.25 mm
4.12 × 3.75 in |
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| Bore/stroke ratio | 1.1 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (gross) |
345 PS (340 bhp) (254 kW) at 4800 rpm |
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| maximum torque (gross) |
603 Nm (445 ft·lb) (61.5 kgm) at 2900 rpm |
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| Specific output (gross) |
38.7 kW/litre 52.6 ps/litre 51.9 bhp/litre 0.85 bhp/cu in |
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| Specific torque (gross) |
92 Nm/litre
1.11 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1156.2 kPa (167.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 819.25 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 | |||
| Weight-to-power ratio | |||
| 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 | 6JK x 14 | ||
| Wheel size rear | 6JK x 14 | ||
| Tyres front | 8.55 x 14 | ||
| Tyres rear | 8.55 x 14 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | 279 mm | ||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 344113 | ||
| Production total | |||
| Model code | 25669 | ||
| Model family | 256 | ||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Executive Sedan Automatic added 2013-07-15. Last modified 2020-06-10. |
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