1987 Citroen AX vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 16 year(s). Which means there will be less support and parts availability for 1987 Citroen AX. In addition, the cost of maintenance, including insurance, on 1987 Citroen AX would be higher. At 1,796 cc (4 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (125 HP @ 6000 RPM) has 40 more horse power than 1987 Citroen AX. (85 HP @ 6400 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 663 kg more than 1987 Citroen AX. 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, 2003 Opel Signum (167 Nm @ 3800 RPM) has 52 more torque (in Nm) than 1987 Citroen AX. (115 Nm @ 4000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 2003 Opel Signum | |
| Make | Citroen | Opel |
| Model | AX | Signum |
| Year Released | 1987 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1358 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 125 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 115 Nm | 167 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 75 mm | 80.6 mm |
| Engine Stroke Size | 77 mm | 88.2 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 722 kg | 1385 kg |
| Vehicle Length | 3540 mm | 4640 mm |
| Vehicle Width | 1610 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2500 mm |
