2003 Alfa Romeo 166 vs. 2011 Citroen C5
To start off, 2011 Citroen C5 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 166. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 166 would be higher. At 3,177 cc (6 cylinders), 2003 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 166 (247 HP @ 6200 RPM) has 109 more horse power than 2011 Citroen C5. (138 HP @ 6000 RPM). In normal driving conditions, 2003 Alfa Romeo 166 should accelerate faster than 2011 Citroen C5. With that said, vehicle weight also plays an important factor in acceleration. 2011 Citroen C5 weights approximately 62 kg more than 2003 Alfa Romeo 166.
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, 2003 Alfa Romeo 166 (289 Nm @ 4800 RPM) has 89 more torque (in Nm) than 2011 Citroen C5. (200 Nm @ 4000 RPM). This means 2003 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 2011 Citroen C5.
Compare all specifications:
| 2003 Alfa Romeo 166 | 2011 Citroen C5 | |
| Make | Alfa Romeo | Citroen |
| Model | 166 | C5 |
| Year Released | 2003 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3177 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 138 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 200 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 85 mm |
| Engine Stroke Size | 78 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.8:1 |
| Top Speed | 245 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 10.7 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1602 kg |
| Vehicle Length | 4730 mm | 4790 mm |
| Vehicle Width | 1810 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2820 mm |
| Fuel Consumption Overall | 12.5 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 69 L | 71 L |
