1989 Citroen XM vs. 1974 Renault 15
To start off, 1989 Citroen XM is newer by 15 year(s). Which means there will be less support and parts availability for 1974 Renault 15. In addition, the cost of maintenance, including insurance, on 1974 Renault 15 would be higher. At 2,088 cc (4 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (110 HP @ 4300 RPM) has 51 more horse power than 1974 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1989 Citroen XM should accelerate faster than 1974 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 415 kg more than 1974 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1989 Citroen XM (255 Nm @ 2000 RPM) has 157 more torque (in Nm) than 1974 Renault 15. (98 Nm @ 3500 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1974 Renault 15.
Compare all specifications:
| 1989 Citroen XM | 1974 Renault 15 | |
| Make | Citroen | Renault |
| Model | XM | 15 |
| Year Released | 1989 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2088 cc | 1287 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 110 HP | 59 HP |
| Engine RPM | 4300 RPM | 5500 RPM |
| Torque | 255 Nm | 98 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 85 mm | 75 mm |
| Engine Stroke Size | 92 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1380 kg | 965 kg |
| Vehicle Length | 4720 mm | 4270 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2860 mm | 2440 mm |
| Fuel Tank Capacity | 80 L | 55 L |
