1987 Citroen AX vs. 2005 Opel Signum
To start off, 2005 Opel Signum is newer by 18 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 1,993 cc (4 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Opel Signum (99 HP @ 3120 RPM) has 55 more horse power than 1987 Citroen AX. (44 HP @ 6000 RPM) In normal driving conditions, 2005 Opel Signum should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Signum weights approximately 873 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, 2005 Opel Signum (230 Nm @ 1500 RPM) has 157 more torque (in Nm) than 1987 Citroen AX. (73 Nm @ 3700 RPM). This means 2005 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 | 2005 Opel Signum | |
| Make | Citroen | Opel |
| Model | AX | Signum |
| Year Released | 1987 | 2005 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 954 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 99 HP |
| Engine RPM | 6000 RPM | 3120 RPM |
| Torque | 73 Nm | 230 Nm |
| Torque RPM | 3700 RPM | 1500 RPM |
| Engine Bore Size | 70 mm | 84 mm |
| Engine Stroke Size | 62 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 18.2 seconds | 14 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 722 kg | 1595 kg |
| Vehicle Length | 3540 mm | 4640 mm |
| Vehicle Width | 1560 mm | 1800 mm |
| Vehicle Height | 1350 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2740 mm |
| Fuel Consumption Overall | 11.9 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 80 L | 60 L |
