1989 Citroen XM vs. 1999 Opel Signum
To start off, 1999 Opel Signum is newer by 10 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 2,975 cc (6 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (170 HP @ 5600 RPM) has 17 more horse power than 1999 Opel Signum. (153 HP @ 5600 RPM). In normal driving conditions, 1989 Citroen XM should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 221 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, 1989 Citroen XM (240 Nm @ 4600 RPM) has 19 more torque (in Nm) than 1999 Opel Signum. (221 Nm @ 3800 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum. 1999 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. 1999 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 1999 Opel Signum | |
| Make | Citroen | Opel |
| Model | XM | Signum |
| Year Released | 1989 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 153 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 240 Nm | 221 Nm |
| Torque RPM | 4600 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 73 mm | 94.6 mm |
| Acceleration 0-100mph | 8.6 seconds | 9.8 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 | 1314 kg | 1535 kg |
| Vehicle Length | 4720 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1470 mm |
| Wheelbase Size | 2750 mm | 2640 mm |
| Fuel Tank Capacity | 80 L | 60 L |
