2009 Cadillac STS vs. 1989 Citroen XM
To start off, 2009 Cadillac STS is newer by 20 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 3,599 cc (6 cylinders), 2009 Cadillac STS is equipped with a bigger engine. In terms of performance, 2009 Cadillac STS (302 HP @ 6300 RPM) has 172 more horse power than 1989 Citroen XM. (130 HP @ 5600 RPM). In normal driving conditions, 2009 Cadillac STS should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac STS weights approximately 325 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 2009 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 2009 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, 2009 Cadillac STS (369 Nm @ 5200 RPM) has 192 more torque (in Nm) than 1989 Citroen XM. (177 Nm @ 4800 RPM). This means 2009 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 2009 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. 2009 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Cadillac STS | 1989 Citroen XM | |
| Make | Cadillac | Citroen |
| Model | STS | XM |
| Year Released | 2009 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 3599 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 302 HP | 130 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 369 Nm | 177 Nm |
| Torque RPM | 5200 RPM | 4800 RPM |
| Engine Compression Ratio | 11.3:1 | 8.8:1 |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1635 kg | 1310 kg |
| Vehicle Length | 5000 mm | 4720 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2960 mm | 2860 mm |
