Key facts

1992 Buick Roadmaster information summary

What body style?
sedan/saloon with 4/5 seats
How long?
5481 mm
How heavy?
1842 kg
What size engine?
5.7 litre, 5733 cm3
How many cylinders?
8, V
How much power?
183 PS / 180 bhp / 134 kW @ 4000 rpm
How much torque?
407 Nm / 300 / 41.5 kgm @ 2400 rpm


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Buick Roadmaster models

1992 Buick Roadmaster technical specifications


The Roadmaster is a car from Buick, with rear wheel drive, a front mounted engine and a 4 door saloon (sedan) body style.
Power is produced by an overhead valve, 5.7 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 180 bhp (183 PS/134 kW) at 4000 rpm and 407 N·m (300 lb·ft/41.5 kgm) at 2400 rpm respectively.
A 4 speed automatic gearbox transmits the power to the wheels.
Its stated kerb weight is 1842 kg.
1992 Buick Roadmaster data
1992 Buick Roadmaster data
Body type4/5 seater sedan/saloon
Number of doors4
dimensions & weights
Wheelbase 2944 115.9
Track/tread (front) 1577 62.1
Track/tread (rear) 1628 64.1
Length 5481 215.8
Width 1984 78.1
Height 1420 55.9
Ground clearance
length:wheelbase ratio 1.86
Kerb weight 1842 kg 4061 lb
Weight distribution
fuel tank capacity 87.3 litres 19.2 UK Gal 23.1 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8
Capacity 5.7 litre
5733 cc
(349.849 cu in)
Bore × Stroke 101.6 × 88.4 mm
4 × 3.48 in
Bore/stroke ratio 1.15
overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output
183 PS (180 bhp) (134 kW)
at 4000 rpm
Specific output
31.4 bhp/litre
0.51 bhp/cu in
maximum torque
407 Nm (300 ft·lb) (41.5 kgm)
at 2400 rpm
Specific torque
70.99 Nm/litre
0.86 ft·lb/cu3
Engine construction
compression ratio 9.8:1
Fuel system
bmep (brake mean effective pressure) 892.1 kPa (129.4 psi)
Maximum RPM
crankshaft bearings 5
Engine coolant Water
Unitary capacity 716.63 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
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 99.08 PS/g
72.87 kW/g
97.72 bhp/ton
0.04 bhp/lb
Weight-to-power ratio 13.72 kg/kW
22.92 lb/bhp
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering recirculating ball PAS
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R Di/Dr-ABS
Front brake diameter
Rear brake diameter
Gearbox 4 speed automatic
Top gear ratio
Final drive ratio
general ID18469
Production total
Model code
Model family
RAC rating 51.2
Insurance classification No information available
Tax band No information available
1992 Buick Roadmaster added before December 1995.
Last modified 2013-02-28.

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1992 Buick Roadmaster

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