1989 Citroen XM vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 16 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 2,171 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (130 HP @ 5600 RPM) has 6 more horse power than 2005 Opel Signum. (124 HP @ 3250 RPM). In normal driving conditions, 1989 Citroen XM should accelerate faster than 2005 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 228 kg more than 1989 Citroen XM.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Opel Signum (280 Nm @ 1500 RPM) has 103 more torque (in Nm) than 1989 Citroen XM. (177 Nm @ 4800 RPM). This means 2005 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 2005 Opel Signum 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. 2005 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | XM | Signum |
| Year Released | 1989 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1904 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 124 HP |
| Engine RPM | 5600 RPM | 3250 RPM |
| Torque | 177 Nm | 280 Nm |
| Torque RPM | 4800 RPM | 1500 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 86 mm | 98 mm |
| Engine Compression Ratio | 8.8:1 | 18.5:1 |
| Top Speed | 192 km/hour | 201 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1382 kg | 1610 kg |
| Vehicle Length | 4960 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2710 mm |
