2009 Citroen C4 vs. 1985 Renault 25
To start off, 2009 Citroen C4 is newer by 24 year(s). Which means there will be less support and parts availability for 1985 Renault 25. In addition, the cost of maintenance, including insurance, on 1985 Renault 25 would be higher. At 2,068 cc (4 cylinders), 1985 Renault 25 is equipped with a bigger engine. In terms of performance, 2009 Citroen C4 (108 HP @ 4000 RPM) has 45 more horse power than 1985 Renault 25. (63 HP @ 4500 RPM). In normal driving conditions, 2009 Citroen C4 should accelerate faster than 1985 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 434 kg more than 1985 Renault 25. 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 C4 (240 Nm @ 1750 RPM) has 111 more torque (in Nm) than 1985 Renault 25. (129 Nm @ 2250 RPM). This means 2009 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 25.
Compare all specifications:
| 2009 Citroen C4 | 1985 Renault 25 | |
| Make | Citroen | Renault |
| Model | C4 | 25 |
| Year Released | 2009 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 2068 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 63 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 240 Nm | 129 Nm |
| Torque RPM | 1750 RPM | 2250 RPM |
| Engine Bore Size | 75 mm | 86.1 mm |
| Engine Stroke Size | 88 mm | 89 mm |
| Engine Compression Ratio | 18.0:1 | 21.5:1 |
| Fuel Type | Diesel | Diesel |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1614 kg | 1180 kg |
| Vehicle Length | 4590 mm | 4630 mm |
| Vehicle Width | 1840 mm | 1780 mm |
| Vehicle Height | 1630 mm | 1410 mm |
| Wheelbase Size | 2730 mm | 2730 mm |
| Fuel Tank Capacity | 60 L | 38 L |
