2005 Alfa Romeo 166 vs. 2006 Citroen C4
To start off, 2006 Citroen C4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 166 would be higher. At 2,959 cc (6 cylinders), 2005 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 166 (217 HP @ 6300 RPM) has 79 more horse power than 2006 Citroen C4. (138 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 166 should accelerate faster than 2006 Citroen C4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alfa Romeo 166 weights approximately 248 kg more than 2006 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, 2005 Alfa Romeo 166 (265 Nm @ 5000 RPM) has 65 more torque (in Nm) than 2006 Citroen C4. (200 Nm @ 4000 RPM). This means 2005 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2006 Citroen C4.
Compare all specifications:
| 2005 Alfa Romeo 166 | 2006 Citroen C4 | |
| Make | Alfa Romeo | Citroen |
| Model | 166 | C4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2959 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 217 HP | 138 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 265 Nm | 200 Nm |
| Torque RPM | 5000 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 85.1 mm |
| Engine Stroke Size | 72.6 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1337 kg |
| Vehicle Length | 4730 mm | 4270 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Consumption Overall | 13 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 72 L | 60 L |
