1981 Renault 9 vs. 2011 Citroen C3
To start off, 2011 Citroen C3 is newer by 30 year(s). Which means there will be less support and parts availability for 1981 Renault 9. In addition, the cost of maintenance, including insurance, on 1981 Renault 9 would be higher. At 1,721 cc (4 cylinders), 1981 Renault 9 is equipped with a bigger engine. In terms of performance, 1981 Renault 9 (85 HP @ 5000 RPM) has 18 more horse power than 2011 Citroen C3. (67 HP @ 4000 RPM). In normal driving conditions, 1981 Renault 9 should accelerate faster than 2011 Citroen C3. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C3 weights approximately 217 kg more than 1981 Renault 9.
Let's talk about torque, 2011 Citroen C3 (161 Nm @ 2000 RPM) has 22 more torque (in Nm) than 1981 Renault 9. (139 Nm @ 3250 RPM). This means 2011 Citroen C3 will have an easier job in driving up hills or pulling heavy equipment than 1981 Renault 9.
Compare all specifications:
| 1981 Renault 9 | 2011 Citroen C3 | |
| Make | Renault | Citroen |
| Model | 9 | C3 |
| Year Released | 1981 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1721 cc | 1398 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 67 HP |
| Engine RPM | 5000 RPM | 4000 RPM |
| Torque | 139 Nm | 161 Nm |
| Torque RPM | 3250 RPM | 2000 RPM |
| Engine Bore Size | 81 mm | 73.7 mm |
| Engine Stroke Size | 83.5 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Vehicle Weight | 906 kg | 1123 kg |
| Vehicle Length | 4070 mm | 3870 mm |
| Vehicle Width | 1660 mm | 1670 mm |
| Vehicle Height | 1410 mm | 1520 mm |
| Wheelbase Size | 2490 mm | 2470 mm |
