2006 Alfa Romeo 166 vs. 2011 Citroen C5
To start off, 2011 Citroen C5 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 166 would be higher. At 2,946 cc (6 cylinders), 2011 Citroen C5 is equipped with a bigger engine. In terms of performance, 2011 Citroen C5 (204 HP @ 6000 RPM) has 56 more horse power than 2006 Alfa Romeo 166. (148 HP @ 6500 RPM) In normal driving conditions, 2011 Citroen C5 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C5 weights approximately 60 kg more than 2006 Alfa Romeo 166. 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, 2011 Citroen C5 (285 Nm @ 3750 RPM) has 104 more torque (in Nm) than 2006 Alfa Romeo 166. (181 Nm @ 3800 RPM). This means 2011 Citroen C5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 166.
Compare all specifications:
| 2006 Alfa Romeo 166 | 2011 Citroen C5 | |
| Make | Alfa Romeo | Citroen |
| Model | 166 | C5 |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2946 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 204 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 181 Nm | 285 Nm |
| Torque RPM | 3800 RPM | 3750 RPM |
| Engine Bore Size | 83 mm | 87 mm |
| Engine Stroke Size | 91 mm | 82.6 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 211 km/hour | 240 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1555 kg |
| Vehicle Length | 4730 mm | 4620 mm |
| Vehicle Width | 1810 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1480 mm |
| Wheelbase Size | 2710 mm | 2760 mm |
| Fuel Consumption Overall | 9.9 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 69 L | 66 L |
