2008 Cadillac STS vs. 1989 Citroen XM

To start off, 2008 Cadillac STS is newer by 19 year(s). Which means there will be less support and parts availability for 1989 Citroen XM. In addition, the cost of maintenance, including insurance, on 1989 Citroen XM would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (321 HP @ 6400 RPM) has 180 more horse power than 1989 Citroen XM. (141 HP @ 4600 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 312 kg more than 1989 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.

Because 2008 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 1989 Citroen XM, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 202 more torque (in Nm) than 1989 Citroen XM. (225 Nm @ 2200 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 2008 Cadillac STS has automatic transmission and 1989 Citroen XM has manual transmission. 1989 Citroen XM will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Cadillac STS will be easier to drive especially in heavy traffic.

Compare all specifications:

2008 Cadillac STS 1989 Citroen XM
Make Cadillac Citroen
Model STS XM
Year Released 2008 1989
Engine Position Front Front
Engine Size 4565 cc 1905 cc
Engine Cylinders 8 cylinders 4 cylinders
Engine Type V in-line
Horse Power 321 HP 141 HP
Engine RPM 6400 RPM 4600 RPM
Torque 427 Nm 225 Nm
Torque RPM 4400 RPM 2200 RPM
Engine Bore Size 93 mm 86 mm
Engine Stroke Size 84 mm 86 mm
Engine Compression Ratio 10.5:1 8.5:1
Top Speed 250 km/hour 202 km/hour
Acceleration 0-100mph 6.5 seconds 10.1 seconds
Drive Type Rear Front
Transmission Type Automatic Manual
Number of Seats 5 seats 5 seats
Number of Doors 4 doors 5 doors
Vehicle Weight 1812 kg 1500 kg
Vehicle Length 4990 mm 4970 mm
Vehicle Width 1850 mm 1800 mm
Vehicle Height 1470 mm 1470 mm
Wheelbase Size 2960 mm 2860 mm
Fuel Tank Capacity 66 L 80 L