2002 Alfa Romeo 156 vs. 2004 Citroen C4
To start off, 2004 Citroen C4 is newer by 2 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 2,492 cc (6 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (189 HP @ 6300 RPM) has 14 more horse power than 2004 Citroen C4. (175 HP @ 7000 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2004 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 18 kg more than 2004 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, 2002 Alfa Romeo 156 (218 Nm @ 5000 RPM) has 16 more torque (in Nm) than 2004 Citroen C4. (202 Nm @ 4750 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2004 Citroen C4.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2004 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C4 |
| Year Released | 2002 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 175 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 218 Nm | 202 Nm |
| Torque RPM | 5000 RPM | 4750 RPM |
| Engine Bore Size | 88 mm | 85.1 mm |
| Engine Stroke Size | 68.3 mm | 88 mm |
| Engine Compression Ratio | 10.3:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 7.3 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1430 kg | 1412 kg |
| Vehicle Length | 4440 mm | 4280 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2600 mm | 2550 mm |
| Fuel Consumption Overall | 11.8 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
