2005 Opel Signum vs. 2011 Opel Insignia
To start off, 2011 Opel Insignia is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 3,174 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, 2011 Opel Insignia (217 HP @ 5300 RPM) has 9 more horse power than 2005 Opel Signum. (208 HP @ 6000 RPM) In normal driving conditions, 2011 Opel Insignia should accelerate faster than 2005 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, 2011 Opel Insignia (350 Nm @ 2000 RPM) has 50 more torque (in Nm) than 2005 Opel Signum. (300 Nm @ 4000 RPM). This means 2011 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum. 2011 Opel Insignia has automatic transmission and 2005 Opel Signum has manual transmission. 2005 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Opel Insignia will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Signum | 2011 Opel Insignia | |
| Make | Opel | Opel |
| Model | Signum | Insignia |
| Year Released | 2005 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3174 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 217 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 300 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| 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 | 2840 mm | 2737 mm |
