2003 Opel Signum vs. 2008 Opel Insignia
To start off, 2008 Opel Insignia is newer by 5 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, 2003 Opel Signum (175 HP @ 4000 RPM) has 46 more horse power than 2008 Opel Insignia. (129 HP @ 4000 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2008 Opel Insignia.
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 71 more torque (in Nm) than 2008 Opel Insignia. (300 Nm @ 1750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Insignia.
Compare all specifications:
| 2003 Opel Signum | 2008 Opel Insignia | |
| Make | Opel | Opel |
| Model | Signum | Insignia |
| Year Released | 2003 | 2008 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1956 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 129 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 371 Nm | 300 Nm |
| Torque RPM | 1900 RPM | 1750 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4640 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1856 mm |
| Vehicle Height | 1470 mm | 1498 mm |
| Wheelbase Size | 2700 mm | 2737 mm |
