1991 Citroen AX vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Citroen AX. In addition, the cost of maintenance, including insurance, on 1991 Citroen AX would be higher. At 1,796 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (122 HP @ 5600 RPM) has 74 more horse power than 1991 Citroen AX. (48 HP @ 6000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1991 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 598 kg more than 1991 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, 2007 Opel Astra (170 Nm @ 3800 RPM) has 95 more torque (in Nm) than 1991 Citroen AX. (75 Nm @ 3700 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen AX.
Compare all specifications:
| 1991 Citroen AX | 2007 Opel Astra | |
| Make | Citroen | Opel |
| Model | AX | Astra |
| Year Released | 1991 | 2007 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 953 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 48 HP | 122 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 75 Nm | 170 Nm |
| Torque RPM | 3700 RPM | 3800 RPM |
| Engine Bore Size | 70 mm | 80.5 mm |
| Engine Stroke Size | 62 mm | 88.2 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 668 kg | 1266 kg |
| Vehicle Width | 1560 mm | 1760 mm |
| Vehicle Height | 1360 mm | 1440 mm |
| Wheelbase Size | 2290 mm | 2620 mm |
