2004 Opel Signum vs. 2005 Subaru Outback
To start off, 2005 Subaru Outback is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,455 cc (4 cylinders), 2005 Subaru Outback is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 19 more horse power than 2005 Subaru Outback. (154 HP @ 5600 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 2005 Subaru Outback. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 70 kg more than 2005 Subaru Outback. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru Outback is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Subaru Outback 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 42 more torque (in Nm) than 2005 Subaru Outback. (223 Nm @ 3600 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru Outback.
Compare all specifications:
| 2004 Opel Signum | 2005 Subaru Outback | |
| Make | Opel | Subaru |
| Model | Signum | Outback |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2455 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 154 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 265 Nm | 223 Nm |
| Torque RPM | 2500 RPM | 3600 RPM |
| Engine Bore Size | 86 mm | 99.5 mm |
| Engine Stroke Size | 86 mm | 79 mm |
| Fuel Type | Gasoline - Premium | 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 | 1560 kg | 1490 kg |
| Vehicle Length | 4640 mm | 4730 mm |
| Vehicle Width | 1800 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1550 mm |
| Wheelbase Size | 2840 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 64 L |
