The Buick Regal Grand National is a rear wheel drive car, with the engine mounted in the front, and a 2 door coupé body.
Its 3.8 litre engine is a turbocharged, overhead valve, 6 cylinder that produces 200 bhp (203 PS/149 kW) of power at 4000 rpm, and maximum torque of 406 N·m (299 lb·ft/41.4 kgm) at 2400 rpm.
The engine delivers its power through to the wheels via a 4 speed automatic transmission.
With a claimed weight at the kerb of 1519 kg, the Buick Regal Grand National manages to cover the 0-60 mph yardstick in 7.5 seconds and the quarter mile from rest in 15.9 seconds.
Its maximum speed claimed is 190 km/h or 118 mph, official fuel consumption is 17/29 EPA US MPG city/highway.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2746 mm | 108.1 inches | |
| Track/tread (front) | 1486 mm | 58.5 inches | |
| Track/tread (rear) | 1466 mm | 57.7 inches | |
| Length | 5095 mm | 200.6 inches | |
| Width | 1819 mm | 71.6 inches | |
| Height | 1387 mm | 54.6 inches | |
| Ground clearance | 145 mm | 5.7 inches | |
| length:wheelbase ratio | 1.86 | ||
| Kerb weight | 1519 kg | 3349 lb | |
| Weight distribution | |||
| fuel tank capacity | 68.6 litres | 15.1 [18.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.41 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 3.8 litre 3791 cc (231.341 cu in) |
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| Bore × Stroke | 96.5 × 86.4 mm
3.8 × 3.4 in |
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| Bore/stroke ratio | 1.12 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (SAEnet) |
203 PS (200 bhp) (149 kW) at 4000 rpm |
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| maximum torque (SAEnet) |
406 Nm (299 ft·lb) (41.4 kgm) at 2400 rpm |
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| Specific output (SAEnet) |
39.3 kW/litre 53.5 ps/litre 52.8 bhp/litre 0.86 bhp/cu in |
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| Specific torque (SAEnet) |
107.1 Nm/litre
1.29 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | |||
| compression ratio | 8:1 | ||
| Fuel system | SMPFi | ||
| bmep (brake mean effective pressure) | 1345.8 kPa (195.2 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 631.83 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | N | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | 7.5 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | 15.9 s
@ 87.7 mph |
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| Standing kilometre | |||
| Maximum speed | 190 km/h (118 mph) | ||
| Power-to-weight ratio | Higher is better 133.5 PS/tonne (1000 kg) 0.13 PS/kg 98.18 kW/tonne (1000 kg) 0.1 kW/kg 131.67 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 10.19 kg/kW 17.01 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 17/29 EPA US MPG city/highway | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 13.8/8.1 l/100km city/highway | ||
| km/litre | 7.2/12.3 km/l city/highway | ||
| UK MPG | 20.4/34.8 UK MPG city/highway | ||
| US MPG | 17.0/29.0 US MPG city/highway | ||
| 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 | 12.60 m | ||
| Front suspension | I.W.CS.ARB. | ||
| Rear suspension | LA.CS.TorqueA. | ||
| Wheel size front | 6.0 x 15 | ||
| Wheel size rear | 6.0 x 15 | ||
| Tyres front | P215/65 R 15 | ||
| Tyres rear | P215/65 R 15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | 267 mm | ||
| Braked area | 2017 cm2 | ||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.67 | ||
| Final drive ratio | 3.42 | ||
| general | |||
| Carfolio.com ID | 100628 | ||
| Production total | |||
| Model code | |||
| RAC rating | 34.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1983 Buick Regal Grand National (1984) added 2002-10-28. Last modified 2013-02-28. |
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