2005 Alfa Romeo 156 vs. 2006 Citroen C6
To start off, 2006 Citroen C6 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 3,179 cc (6 cylinders), 2005 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2005 Alfa Romeo 156 (238 HP @ 6200 RPM) has 30 more horse power than 2006 Citroen C6. (208 HP @ 6000 RPM). In normal driving conditions, 2005 Alfa Romeo 156 should accelerate faster than 2006 Citroen C6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Citroen C6 weights approximately 330 kg more than 2005 Alfa Romeo 156.
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, 2006 Citroen C6 (290 Nm @ 3750 RPM) has 1 more torque (in Nm) than 2005 Alfa Romeo 156. (289 Nm @ 4800 RPM). This means 2006 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2006 Citroen C6 has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Citroen C6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2006 Citroen C6 | |
| Make | Alfa Romeo | Citroen |
| Model | 156 | C6 |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3179 cc | 2946 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 208 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 289 Nm | 290 Nm |
| Torque RPM | 4800 RPM | 3750 RPM |
| Engine Bore Size | 93 mm | 87 mm |
| Engine Stroke Size | 78 mm | 82.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 230 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1488 kg | 1818 kg |
| Vehicle Length | 4310 mm | 4910 mm |
| Vehicle Width | 1750 mm | 1870 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2910 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 72 L |
