2006 Alfa Romeo 156 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 would be higher. At 1,997 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2006 Alfa Romeo 156 (148 HP @ 4000 RPM) has 9 more horse power than 2007 Citroen C4. (139 HP @ 6000 RPM). In normal driving conditions, 2006 Alfa Romeo 156 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 30 kg more than 2006 Alfa Romeo 156.
Because 2006 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Citroen C4. In wet, icy, snow, or gravel driving conditions, 2006 Alfa Romeo 156 will offer significantly more control. 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 Alfa Romeo 156 (305 Nm @ 2000 RPM) has 105 more torque (in Nm) than 2007 Citroen C4. (200 Nm @ 4000 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Citroen C4.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2007 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C4 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 139 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 305 Nm | 200 Nm |
| Torque RPM | 2000 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 85 mm |
| Engine Stroke Size | 90.4 mm | 88 mm |
| Engine Compression Ratio | 18.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 192 km/hour | 195 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 12.9 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1605 kg | 1635 kg |
| Vehicle Length | 4450 mm | 4280 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1480 mm | 1630 mm |
| Wheelbase Size | 2600 mm | 2730 mm |
| Fuel Consumption Overall | 7.3 L/100km | 8 L/100km |
| Fuel Tank Capacity | 50 L | 60 L |
