2009 Citroen C4 vs. 2010 Alfa Romeo 147
To start off, 2010 Alfa Romeo 147 is newer by 1 year(s). Which means there will be less support and parts availability for 2009 Citroen C4. In addition, the cost of maintenance, including insurance, on 2009 Citroen C4 would be higher. At 1,970 cc (4 cylinders), 2010 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2010 Alfa Romeo 147 (148 HP @ 6300 RPM) has 25 more horse power than 2009 Citroen C4. (123 HP @ 6000 RPM) In normal driving conditions, 2010 Alfa Romeo 147 should accelerate faster than 2009 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C4 weights approximately 260 kg more than 2010 Alfa Romeo 147.
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, 2010 Alfa Romeo 147 (181 Nm @ 3800 RPM) has 11 more torque (in Nm) than 2009 Citroen C4. (170 Nm @ 3750 RPM). This means 2010 Alfa Romeo 147 will have an easier job in driving up hills or pulling heavy equipment than 2009 Citroen C4.
Compare all specifications:
| 2009 Citroen C4 | 2010 Alfa Romeo 147 | |
| Make | Citroen | Alfa Romeo |
| Model | C4 | 147 |
| Year Released | 2009 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 1749 cc | 1970 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 123 HP | 148 HP |
| Engine RPM | 6000 RPM | 6300 RPM |
| Torque | 170 Nm | 181 Nm |
| Torque RPM | 3750 RPM | 3800 RPM |
| Engine Bore Size | 82.7 mm | 83.1 mm |
| Engine Stroke Size | 81.4 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 13.7 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1325 kg |
| Vehicle Length | 4590 mm | 4230 mm |
| Vehicle Width | 1840 mm | 1740 mm |
| Vehicle Height | 1630 mm | 1450 mm |
| Wheelbase Size | 2730 mm | 2550 mm |
| Fuel Consumption Overall | 8 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
