The Regal Custom is a front wheel drive saloon (sedan) road car with a front located engine, sold by Buick.
The Buick Regal Custom belongs to the 4W model family from Buick.
Power is produced by an overhead valve, 3.8 litre naturally aspirated 6 cylinder powerplant, with 2 valves per cylinder that produces power and torque figures of 170 bhp (172 PS/127 kW) at 4800 rpm and 298 N·m (220 lb·ft/30.4 kgm) at 3200 rpm respectively.
The engine powers the wheels by means of a 4 speed automatic gearbox.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2731 mm | 107.5 inches | |
| Track/tread (front) | 1511 mm | 59.5 inches | |
| Track/tread (rear) | 1473 mm | 58 inches | |
| Length | 4926 mm | 193.9 inches | |
| Width | 1842 mm | 72.5 inches | |
| Height | 1384 mm | 54.5 inches | |
| Ground clearance | 163 mm | 6.4 inches | |
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 62.5 litres | 13.7 [16.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | L27 | ||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 3.8 litre 3791 cc (231.341 cu in) |
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| Bore × Stroke | 96.52 × 86.36 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 (SAE net) |
172 PS (170 bhp) (127 kW) at 4800 rpm |
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| maximum torque (SAE net) |
298 Nm (220 ft·lb) (30.4 kgm) at 3200 rpm |
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| Specific output (SAE net) |
33.4 kW/litre 45.5 ps/litre 44.8 bhp/litre 0.73 bhp/cu in |
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| Specific torque (SAE net) |
78.61 Nm/litre
0.95 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | SFI | ||
| bmep (brake mean effective pressure) | 987.8 kPa (143.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 631.83 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| 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 | transverse | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 3.050 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | P205/70 R 14 | ||
| Tyres rear | P205/70 R 14 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | 257 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 3.06 | ||
| general | |||
| Carfolio.com ID | 772299 | ||
| Production total | |||
| Model code | B19 | ||
| Model family | 4W | ||
| RAC rating | 34.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Buick Regal Custom added 2022-09-11. Last modified 2022-09-11. |
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