Pontiac Executive Hardtop is a car that has a 4 door saloon type body with a front positioned engine delivering its power to the rear wheels.
The Pontiac Executive Hardtop belongs to the 256 model family from Pontiac.
Powering the Pontiac Executive Hardtop is an overhead valve, 6.6 litre naturally aspirated 8 cylinder powerplant, with 2 valves per cylinder that produces power and torque figures of 265 bhp (269 PS/198 kW) at 4600 rpm and 538 N·m (397 lb·ft/54.9 kgm) at 2400 rpm respectively.
A 3 speed automatic gearbox transfers the power to the driven wheels.
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 | 1367 mm | 53.8 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) |
269 PS (265 bhp) (198 kW) at 4600 rpm |
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| maximum torque (gross) |
538 Nm (397 ft·lb) (54.9 kgm) at 2400 rpm |
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| Specific output (gross) |
30.2 kW/litre 41 ps/litre 40.4 bhp/litre 0.66 bhp/cu in |
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| Specific torque (gross) |
82.09 Nm/litre
0.99 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.6:1 | ||
| Fuel system | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1031.5 kPa (149.6 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 | 2.56 | ||
| general | |||
| Carfolio.com ID | 344014 | ||
| Production total | |||
| Model code | 25639 | ||
| Model family | 256 | ||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Executive Hardtop added 2013-07-15. Last modified 2020-06-10. |
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