2009 Citroen C5 vs. 1981 Nissan Sunny
To start off, 2009 Citroen C5 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Nissan Sunny. In addition, the cost of maintenance, including insurance, on 1981 Nissan Sunny would be higher. At 2,179 cc (4 cylinders), 2009 Citroen C5 is equipped with a bigger engine. In terms of performance, 2009 Citroen C5 (131 HP @ 4000 RPM) has 57 more horse power than 1981 Nissan Sunny. (74 HP @ 5600 RPM). In normal driving conditions, 2009 Citroen C5 should accelerate faster than 1981 Nissan Sunny. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C5 weights approximately 745 kg more than 1981 Nissan Sunny. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Citroen C5 (314 Nm @ 2000 RPM) has 191 more torque (in Nm) than 1981 Nissan Sunny. (123 Nm @ 2800 RPM). This means 2009 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Nissan Sunny.
Compare all specifications:
| 2009 Citroen C5 | 1981 Nissan Sunny | |
| Make | Citroen | Nissan |
| Model | C5 | Sunny |
| Year Released | 2009 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2179 cc | 1487 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 131 HP | 74 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 314 Nm | 123 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 815 kg |
| Vehicle Length | 4620 mm | 4140 mm |
| Vehicle Width | 1780 mm | 1650 mm |
| Vehicle Height | 1480 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2410 mm |
