1989 Citroen XM vs. 2007 Opel Signum
To start off, 2007 Opel Signum is newer by 18 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 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 Opel Signum (208 HP @ 6200 RPM) has 67 more horse power than 1989 Citroen XM. (141 HP @ 4600 RPM) In normal driving conditions, 2007 Opel Signum should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 110 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.
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, 2007 Opel Signum (300 Nm @ 4000 RPM) has 75 more torque (in Nm) than 1989 Citroen XM. (225 Nm @ 2200 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 2007 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. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 2007 Opel Signum | |
| Make | Citroen | Opel |
| Model | XM | Signum |
| Year Released | 1989 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 141 HP | 208 HP |
| Engine RPM | 4600 RPM | 6200 RPM |
| Torque | 225 Nm | 300 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 8.5:1 | 10.0:1 |
| Top Speed | 202 km/hour | 237 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 7.9 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1500 kg | 1610 kg |
| Vehicle Length | 4970 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2860 mm | 2840 mm |
| Fuel Tank Capacity | 80 L | 60 L |
