2008 Opel Signum vs. 2005 Subaru Legacy
To start off, 2008 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2005 Subaru Legacy would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 51 more horse power than 2005 Subaru Legacy. (124 HP @ 5600 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 2005 Subaru Legacy. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 355 kg more than 2005 Subaru Legacy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Legacy is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Subaru Legacy will offer significantly more control. 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 194 more torque (in Nm) than 2005 Subaru Legacy. (176 Nm @ 4000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Legacy.
Compare all specifications:
| 2008 Opel Signum | 2005 Subaru Legacy | |
| Make | Opel | Subaru |
| Model | Signum | Legacy |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2957 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 124 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 370 Nm | 176 Nm |
| Torque RPM | 1900 RPM | 4000 RPM |
| Engine Bore Size | 87.5 mm | 92 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1670 kg | 1315 kg |
| Vehicle Length | 4640 mm | 4670 mm |
| Vehicle Width | 1800 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 60 L | 64 L |
