2005 Alfa Romeo 156 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 2 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 1,598 cc (4 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (118 HP @ 6200 RPM) has 10 more horse power than 2007 Citroen C4. (108 HP @ 4000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2007 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 156 weights approximately 60 kg more than 2007 Citroen C4. 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, 2007 Citroen C4 (240 Nm @ 1750 RPM) has 94 more torque (in Nm) than 2005 Alfa Romeo 156. (146 Nm @ 4500 RPM). This means 2007 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 | 2007 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C4 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1560 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 108 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 146 Nm | 240 Nm |
| Torque RPM | 4500 RPM | 1750 RPM |
| Engine Bore Size | 82 mm | 75 mm |
| Engine Stroke Size | 75.7 mm | 88 mm |
| Engine Compression Ratio | 10.3:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1416 kg | 1356 kg |
| Vehicle Length | 4450 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
| Fuel Consumption Overall | 7.5 L/100km | 4.7 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
