Car Specs

1991 Buick Century Custom Coupé

Information

Buick

Quick Facts

Chassis Code: 4A

Build Start: 1991

Available in other variants

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Specifications

General

Build Start: 1991
Model Variant: 4A
Chassis Code: 4A

Dimensions

Wheelbase: 2664mm
Track/tread (rear): 1440mm
Width: 1763mm
Ground clearance: 130mm
Track/tread (front): 1491mm
Length: 4803mm
Height: 1364mm

Body Details

Body Type: 4/5 seater fixed-head coupé

Engine Details

Capacity: 2.5 litre (2474cc)
Bore/stroke ratio: 1.33
Sump: wet sumped
Crankshaft Bearings: 5
Catalytic converter: Y
Engine Layout: transverse
Top Gear Ratio: 1
Engine Type: naturally aspirated petrol
Engine Code: LR8
Cylinders: Straight 4
Bore × Stroke: 101.65 × 76.2mm
Compression Ratio: 8.3:1
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Gearbox: 3 speed automatic
Final Drive Ratio: 2.84
Engine Manufacturer: GM

Performance

Drive Wheels: front wheel drive

Fuel Consump.

Fuel system: EFI

Chassis & Geomtry

Turns Lock-to-Lock: 3.040
Length:Wheelbase Ratio: 1.8

Brakes

Brakes F/R: VeDi/Dr-S
Rear brake diameter: 225mm
bmep (brake mean effective pressure): 929.5kPa
Front Brake Diameter: 260mm

Wheels & Tyres

Wheel Size Front: 14x5½JJ
Tyres Front: P185/75 R 14
Wheel Size Rear: 14x5½JJ
Tyres Rear: P185/75 R 14

Other

maximum power output(SAE net): 106 PS (105 bhp) (78 kW)at 4800 rpm
Specific output(SAE net): 31.6 kW/litre43 ps/litre, 42.4 bhp/litre0.7 bhp/cu in
Unitary Capacity: 618.5cc
Steering: power assisted rack & pinion
Model code: H37
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 8 valves in total
maximum torque(SAE net): 183 Nm (135 ft·lb) (18.7 kgm)at 3200 rpm
Specific torque(SAE net): 73.97 Nm/litre, 0.89 ft·lb/cu3
Number of doors: 2
RAC rating: 25.6

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