2005 Alfa Romeo 156 vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (247 HP @ 6200 RPM) has 113 more horse power than 2006 Citroen C4. (134 HP @ 4000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C4 weights approximately 46 kg more than 2005 Alfa Romeo 156.
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, 2006 Citroen C4 (321 Nm @ 2000 RPM) has 16 more torque (in Nm) than 2005 Alfa Romeo 156. (305 Nm @ 4800 RPM). This means 2006 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2006 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 134 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 305 Nm | 321 Nm |
| Torque RPM | 4800 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 78 mm | 88 mm |
| Top Speed | 250 km/hour | 207 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 10.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1410 kg | 1456 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Consumption Overall | 12.3 L/100km | 5.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
