1987 Citroen AX vs. 1991 Rover 100
To start off, 1991 Rover 100 is newer by 4 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 1,396 cc (4 cylinders), 1991 Rover 100 is equipped with a bigger engine. In terms of performance, 1991 Rover 100 (102 HP @ 6000 RPM) has 58 more horse power than 1987 Citroen AX. (44 HP @ 6000 RPM) In normal driving conditions, 1991 Rover 100 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1991 Rover 100 weights approximately 148 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.
Let's talk about torque, 1991 Rover 100 (135 Nm @ 5000 RPM) has 62 more torque (in Nm) than 1987 Citroen AX. (73 Nm @ 3700 RPM). This means 1991 Rover 100 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1991 Rover 100 | |
| Make | Citroen | Rover |
| Model | AX | 100 |
| Year Released | 1987 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 954 cc | 1396 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 102 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 73 Nm | 135 Nm |
| Torque RPM | 3700 RPM | 5000 RPM |
| Engine Bore Size | 70 mm | 75 mm |
| Engine Stroke Size | 62 mm | 79 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 722 kg | 870 kg |
| Vehicle Length | 3540 mm | 3530 mm |
| Vehicle Width | 1560 mm | 1570 mm |
| Vehicle Height | 1350 mm | 1380 mm |
