2005 Citroen C6 vs. 2003 Opel Signum
To start off, 2005 Citroen C6 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Citroen C6 (212 HP @ 5250 RPM) has 37 more horse power than 2003 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2005 Citroen C6 should accelerate faster than 2003 Opel Signum.
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 Opel Signum (371 Nm @ 1900 RPM) has 86 more torque (in Nm) than 2005 Citroen C6. (285 Nm @ 3750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Citroen C6. 2005 Citroen C6 has automatic transmission and 2003 Opel Signum has manual transmission. 2003 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Citroen C6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Citroen C6 | 2003 Opel Signum | |
| Make | Citroen | Opel |
| Model | C6 | Signum |
| Year Released | 2005 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2946 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 212 HP | 175 HP |
| Engine RPM | 5250 RPM | 4000 RPM |
| Torque | 285 Nm | 371 Nm |
| Torque RPM | 3750 RPM | 1900 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 83 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4920 mm | 4640 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2700 mm |
