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 2,490 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (185 HP) has 77 more horse power than 2006 Citroen C4. (108 HP). 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 65 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, 2005 Alfa Romeo 156 (221 Nm @ 5000 RPM) has 74 more torque (in Nm) than 2006 Citroen C4. (147 Nm @ 4000 RPM). This means 2005 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4. 2006 Citroen C4 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Citroen C4 will be easier to drive especially in heavy traffic.
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 | 2490 cc | 1587 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 108 HP |
| Torque | 221 Nm | 147 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Top Speed | 225 km/hour | 183 km/hour |
| Acceleration 0-100mph | 8.4 seconds | 13.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1555 kg |
| Vehicle Length | 4730 mm | 4270 mm |
| Vehicle Width | 1820 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2610 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
