1987 Citroen AX vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra 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 1,998 cc (4 cylinders), 1991 Opel Calibra is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (115 HP @ 5200 RPM) has 71 more horse power than 1987 Citroen AX. (44 HP @ 6000 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 468 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.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1987 Citroen AX. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. 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, 1991 Opel Calibra (174 Nm @ 2600 RPM) has 101 more torque (in Nm) than 1987 Citroen AX. (73 Nm @ 3700 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1991 Opel Calibra | |
| Make | Citroen | Opel |
| Model | AX | Calibra |
| Year Released | 1987 | 1991 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 954 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 115 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 73 Nm | 174 Nm |
| Torque RPM | 3700 RPM | 2600 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 62 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 722 kg | 1190 kg |
| Vehicle Length | 3540 mm | 4500 mm |
| Vehicle Width | 1560 mm | 1680 mm |
| Vehicle Height | 1350 mm | 1330 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 75 L |
