Key facts

1989 Cadillac STS information summary

What body style?
sedan/saloon with 4/5 seats
How long?
4846 mm
How heavy?
1606 kg
What size engine?
4.5 litre, 4467 cm3
How many cylinders?
8, V
How much power?
183 PS / 180 bhp / 134 kW @ 4300 rpm
How much torque?
332 Nm / 245 / 33.9 kgm @ 4000 rpm
How quick?
0-60 mph: 9.2 s
How fast?
201 km/h, 125 mph


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1989 Cadillac STS technical specifications


This car has a 4 door saloon (sedan) type body with a front located engine delivering its power to the front wheels.
Its 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 4.5 litres. This unit musters power and torque figures of 180 bhp (183 PS/134 kW) at 4300 rpm and 332 Nm (245 lbft/33.9 kgm) at 4000 rpm respectively.
The engine supplies its power through to the wheels via a 4 speed automatic transmission.
Claimed kerb weight is 1606 kg.
The Cadillac STS is claimed to achieve a top speed of 201 km/h which is 125 mph.
1989 Cadillac STS data
1989 Cadillac STS data
Body type4/5 seater sedan/saloon
Number of doors4
dimensions & weights
Wheelbase 2743 108
Track/tread (front)
Track/tread (rear)
Length 4846 190.8
Width 1829 72
Height 1364 53.7
Ground clearance
length:wheelbase ratio 1.77
Kerb weight 1606 kg 3541 lb
Weight distribution 63.8 % front
fuel tank capacity 81.5 litres 17.9 UK Gal 21.5 US Gal
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer GM
Engine code
Cylinders V 8
Capacity 4.5 litre
4467 cc
(272.593 cu in)
Bore × Stroke 92 × 84 mm
3.62 × 3.31 in
Bore/stroke ratio 1.1
overhead valve (OHV)
2 valves per cylinder
16 valves in total
maximum power output 183 PS (180 bhp) (134 kW)
at 4300 rpm
Specific output 40.3 bhp/litre
0.66 bhp/cu in
maximum torque 332 Nm (245 ft·lb) (33.9 kgm)
at 4000 rpm
Specific torque 74.32 Nm/litre
0.9 ft·lb/cu3
Engine construction
compression ratio
Fuel system EFi
bmep (brake mean effective pressure) 934 kPa (135.5 psi)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 558.38 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter Y
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph 9.2 s
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) 29.90 s
Standing quarter-mile 17 s
@ 81 mph
Standing kilometre
Maximum speed 201 km/h (125 mph)
Power-to-weight ratio 113.64 PS/g
83.58 kW/g
112.08 bhp/ton
0.05 bhp/lb
Weight-to-power ratio 11.96 kg/kW
19.99 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 unknown
Drive wheels front wheel drive  
Torque split N/A
turns lock-to-lock
Turning circle
Front suspension I.CS.ARB.
Rear suspension I.TL.ARB.
Wheel size front
Wheel size rear
Tyres front P215/60 R 16
Tyres rear P215/55 R 16
Brakes F/R VeDi/Di-S-ABS
Front brake diameter
Rear brake diameter
Gearbox 4 speed automatic
Top gear ratio
Final drive ratio
general ID14047
Production total
Model code
Model family
RAC rating 42.0
Insurance classification No information available
Tax band No information available
1989 Cadillac STS added before December 1995.
Last modified 2013-02-28.

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1989 Cadillac STS

World Car Specifications