2002 Alfa Romeo 156 vs. 2007 Citroen C4
To start off, 2007 Citroen C4 is newer by 5 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 1,997 cc (4 cylinders), 2007 Citroen C4 is equipped with a bigger engine. In terms of performance, 2007 Citroen C4 (181 HP @ 7000 RPM) has 61 more horse power than 2002 Alfa Romeo 156. (120 HP @ 6200 RPM) In normal driving conditions, 2007 Citroen C4 should accelerate faster than 2002 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Citroen C4 weights approximately 108 kg more than 2002 Alfa Romeo 156. 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 (180 Nm @ 7000 RPM) has 33 more torque (in Nm) than 2002 Alfa Romeo 156. (147 Nm @ 4500 RPM). This means 2007 Citroen C4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Alfa Romeo 156.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2007 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C4 |
| Year Released | 2002 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1997 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 181 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 147 Nm | 180 Nm |
| Torque RPM | 4500 RPM | 7000 RPM |
| Engine Bore Size | 82 mm | 85 mm |
| Engine Stroke Size | 75.6 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 200 km/hour | 227 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1230 kg | 1338 kg |
| Vehicle Length | 4440 mm | 4270 mm |
| Vehicle Width | 1750 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 8.2 L/100km | 11.5 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
