2001 Proton 400 vs. 2011 Citroen C4
To start off, 2011 Citroen C4 is newer by 10 year(s). Which means there will be less support and parts availability for 2001 Proton 400. In addition, the cost of maintenance, including insurance, on 2001 Proton 400 would be higher. At 1,358 cc (4 cylinders), 2011 Citroen C4 is equipped with a bigger engine. In terms of performance, 2011 Citroen C4 (87 HP @ 5250 RPM) has 13 more horse power than 2001 Proton 400. (74 HP @ 6000 RPM) In normal driving conditions, 2011 Citroen C4 should accelerate faster than 2001 Proton 400. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C4 weights approximately 287 kg more than 2001 Proton 400. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2011 Citroen C4 (133 Nm @ 3250 RPM) has 25 more torque (in Nm) than 2001 Proton 400. (108 Nm @ 3000 RPM). This means 2011 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Proton 400.
Compare all specifications:
| 2001 Proton 400 | 2011 Citroen C4 | |
| Make | Proton | Citroen |
| Model | 400 | C4 |
| Year Released | 2001 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1358 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 3 valves | 4 valves |
| Horse Power | 74 HP | 87 HP |
| Engine RPM | 6000 RPM | 5250 RPM |
| Torque | 108 Nm | 133 Nm |
| Torque RPM | 3000 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 970 kg | 1257 kg |
| Vehicle Length | 4370 mm | 4270 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1390 mm | 1460 mm |
| Wheelbase Size | 2510 mm | 2610 mm |
