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 1,910 cc (4 cylinders), 2010 Alfa Romeo 147 is equipped with a bigger engine. In terms of performance, 2010 Alfa Romeo 147 (138 HP) has 30 more horse power than 2009 Citroen C4. (108 HP) 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. 2010 Alfa Romeo 147 weights approximately 90 kg more than 2009 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, 2010 Alfa Romeo 147 (305 Nm @ 2000 RPM) has 158 more torque (in Nm) than 2009 Citroen C4. (147 Nm @ 4000 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 | 1587 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 138 HP |
| Torque | 147 Nm | 305 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 78.5 mm | 82 mm |
| Engine Stroke Size | 82 mm | 90.4 mm |
| Engine Compression Ratio | 11.0:1 | 19.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 194 km/hour | 206 km/hour |
| Acceleration 0-100mph | 11.9 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1365 kg |
| Vehicle Length | 4280 mm | 4180 mm |
| Vehicle Width | 1780 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2550 mm |
| Fuel Consumption Overall | 7.1 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
