The Buick LeSabre Coupé V6 is a coupé with 2 doors and a front mounted powerplant which supplies its power to the rear wheels.
It forms part of Buick's 4B series.
The 6 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a displacement of 4.1 litres. This unit produces power and torque figures of 125 bhp (127 PS/93 kW) at 4000 rpm and 278 Nm (205 lbft/28.3 kgm) at 2000 rpm respectively.
A 3 speed automatic 'box transmits the power to the driven wheels.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2944 mm | 115.9 inches | |
| Track/tread (front) | 1570 mm | 61.8 inches | |
| Track/tread (rear) | 1542 mm | 60.7 inches | |
| Length | 5547 mm | 218.4 inches | |
| Width | 1928 mm | 75.9 inches | |
| Height | 1397 mm | 55 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.88 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 102.3 litres | 22.5 [27] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | LC4 | ||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 4.1 litre 4128 cc (251.906 cu in) |
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| Bore × Stroke | 100.7 × 86.4 mm
3.96 × 3.4 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (SAE net) |
127 PS (125 bhp) (93 kW) at 4000 rpm |
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| maximum torque (SAE net) |
278 Nm (205 ft·lb) (28.3 kgm) at 2000 rpm |
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| Specific output (SAE net) |
22.6 kW/litre 30.7 ps/litre 30.3 bhp/litre 0.5 bhp/cu in |
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| Specific torque (SAE net) |
67.34 Nm/litre
0.81 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8:1 | ||
| Fuel system | 1 Rochester carburettor | ||
| bmep (brake mean effective pressure) | 846.3 kPa (122.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 688 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 | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 3.370 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 6 x 15 | ||
| Wheel size rear | 6 x 15 | ||
| Tyres front | P205/75 R 15 | ||
| Tyres rear | P205/75 R 15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 695640 | ||
| Production total | |||
| Model code | N37 | ||
| Model family | 4B | ||
| RAC rating | 37.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1981 Buick LeSabre Coupé V6 added 2020-07-26. Last modified 2020-07-26. |
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