2008 Opel Signum vs. 2003 Subaru Legacy
To start off, 2008 Opel Signum is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Subaru Legacy. In addition, the cost of maintenance, including insurance, on 2003 Subaru Legacy would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Subaru Legacy (187 HP @ 7100 RPM) has 12 more horse power than 2008 Opel Signum. (175 HP @ 4000 RPM) In normal driving conditions, 2003 Subaru Legacy should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 330 kg more than 2003 Subaru Legacy.
Because 2003 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, 2003 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 174 more torque (in Nm) than 2003 Subaru Legacy. (196 Nm @ 4400 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 Subaru Legacy.
Compare all specifications:
| 2008 Opel Signum | 2003 Subaru Legacy | |
| Make | Opel | Subaru |
| Model | Signum | Legacy |
| Year Released | 2008 | 2003 |
| Body Type | Hatchback | Sedan |
| 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 | 187 HP |
| Engine RPM | 4000 RPM | 7100 RPM |
| Torque | 370 Nm | 196 Nm |
| Torque RPM | 1900 RPM | 4400 RPM |
| Engine Bore Size | 87.5 mm | 92 mm |
| Engine Stroke Size | 82 mm | 75 mm |
| Engine Compression Ratio | 18.5:1 | 11.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 1340 kg |
| Vehicle Length | 4640 mm | 4640 mm |
| Vehicle Width | 1800 mm | 1740 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2680 mm |
| Fuel Tank Capacity | 60 L | 64 L |
