1987 Citroen AX vs. 1973 Renault 15
To start off, 1987 Citroen AX is newer by 14 year(s). Which means there will be less support and parts availability for 1973 Renault 15. In addition, the cost of maintenance, including insurance, on 1973 Renault 15 would be higher. At 1,289 cc (4 cylinders), 1973 Renault 15 is equipped with a bigger engine. In terms of performance, 1973 Renault 15 (59 HP @ 5500 RPM) has 15 more horse power than 1987 Citroen AX. (44 HP @ 6000 RPM) In normal driving conditions, 1973 Renault 15 should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1973 Renault 15 weights approximately 243 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, 1973 Renault 15 (98 Nm @ 3500 RPM) has 25 more torque (in Nm) than 1987 Citroen AX. (73 Nm @ 3700 RPM). This means 1973 Renault 15 will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1973 Renault 15 | |
| Make | Citroen | Renault |
| Model | AX | 15 |
| Year Released | 1987 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 954 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 59 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 73 Nm | 98 Nm |
| Torque RPM | 3700 RPM | 3500 RPM |
| Engine Bore Size | 70 mm | 75 mm |
| Engine Stroke Size | 62 mm | 69 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 3 doors |
| Vehicle Weight | 722 kg | 965 kg |
| Vehicle Length | 3540 mm | 4270 mm |
| Vehicle Width | 1560 mm | 1640 mm |
| Vehicle Height | 1350 mm | 1310 mm |
| Wheelbase Size | 2290 mm | 2440 mm |
| Fuel Tank Capacity | 80 L | 55 L |
