Car Specs

1991 Buick Reatta Convertible

Information

Buick

Quick Facts

Chassis Code: 4E

Build Start: 1991

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Specifications

General

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

Dimensions

Width: 1854mm
Ground clearance: 147mm
Kerb weight: 1631kg
Fuel Tank Capacity: 71.2litres
Wheelbase: 2502mm
Track/tread (rear): 1532mm
Length: 4643mm
Height: 1311mm
Track/tread (front): 1532mm

Body Details

Body Type: 2 seater convertible/cabriolet

Engine Details

Gearbox: 4 speed automatic
Final Drive Ratio: 3.33
Engine Manufacturer: GM
Cylinders: V 6 in 90° vee
Bore × Stroke: 96.52 × 86.36mm
Compression Ratio: 8.5:1
Engine Coolant: Water
Aspiration: Normal
Engine Position: front
Top Gear Ratio: 0.7
Engine Type: naturally aspirated petrol
Engine Code: L27
Capacity: 3.8 litre (3791cc)
Bore/stroke ratio: 1.12
Sump: wet sumped
Crankshaft Bearings: 4
Catalytic converter: Y
Engine Layout: transverse

Performance

Power-to-weight ratio: 105.68 PS/tonne (1000 kg)
Drive Wheels: front wheel drive
Weight-to-power ratio: 12.87kg/kW

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Fuel Consump.

Fuel system: SFI

Chassis & Geomtry

Turns Lock-to-Lock: 2.970
Length:Wheelbase Ratio: 1.86
Weight Distribution: 65.8% front

Brakes

Front Brake Diameter: 260mm
bmep (brake mean effective pressure): 987.8kPa
Brakes F/R: VeDi/Di-S
Rear brake diameter: 254mm

Wheels & Tyres

Wheel Size Rear: 16x7J
Tyres Rear: P215/60 R 16
Wheel Size Front: 16x7J
Tyres Front: P215/60 R 16

Other

RAC rating: 34.7
Valve Gear: overhead valve (OHV), 2 valves per cylinder, 12 valves in total
maximum torque(SAE net): 298 Nm (220 ft·lb) (30.4 kgm)at 3200 rpm
Specific torque(SAE net): 78.61 Nm/litre, 0.95 ft·lb/cu3
Model code: C67
maximum power output(SAE net): 172 PS (170 bhp) (127 kW)at 4800 rpm
Specific output(SAE net): 33.4 kW/litre45.5 ps/litre, 44.8 bhp/litre0.73 bhp/cu in
Unitary Capacity: 631.83cc
Steering: power assisted rack & pinion
Number of doors: 2

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