2006 Citroen C5 vs. 1971 Renault 15
To start off, 2006 Citroen C5 is newer by 35 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 1,749 cc (4 cylinders), 2006 Citroen C5 is equipped with a bigger engine. In terms of performance, 2006 Citroen C5 (114 HP @ 5500 RPM) has 25 more horse power than 1971 Renault 15. (89 HP @ 5500 RPM). In normal driving conditions, 2006 Citroen C5 should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C5 weights approximately 432 kg more than 1971 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, 2006 Citroen C5 (160 Nm @ 4000 RPM) has 35 more torque (in Nm) than 1971 Renault 15. (125 Nm @ 3000 RPM). This means 2006 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 2006 Citroen C5 | 1971 Renault 15 | |
| Make | Citroen | Renault |
| Model | C5 | 15 |
| Year Released | 2006 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1749 cc | 1565 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 114 HP | 89 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 160 Nm | 125 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Compression Ratio | 10.8:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1452 kg | 1020 kg |
| Vehicle Length | 4750 mm | 4260 mm |
| Vehicle Width | 1790 mm | 1640 mm |
| Vehicle Height | 1480 mm | 1320 mm |
| Wheelbase Size | 2760 mm | 2440 mm |
| Fuel Tank Capacity | 66 L | 38 L |
