2003 Opel Signum vs. 2005 Subaru G3X
To start off, 2005 Subaru G3X is newer by 2 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 @ 5500 RPM) has 77 more horse power than 2005 Subaru G3X. (98 HP @ 5900 RPM). In normal driving conditions, 2003 Opel Signum should accelerate faster than 2005 Subaru G3X. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 565 kg more than 2005 Subaru G3X. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Subaru G3X is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2005 Subaru G3X 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 237 more torque (in Nm) than 2005 Subaru G3X. (133 Nm @ 4100 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Subaru G3X.
Compare all specifications:
| 2003 Opel Signum | 2005 Subaru G3X | |
| Make | Opel | Subaru |
| Model | Signum | G3X |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1490 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 98 HP |
| Engine RPM | 5500 RPM | 5900 RPM |
| Torque | 370 Nm | 133 Nm |
| Torque RPM | 1900 RPM | 4100 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1575 kg | 1010 kg |
| Vehicle Length | 4640 mm | 3780 mm |
| Vehicle Width | 1800 mm | 1610 mm |
| Vehicle Height | 1470 mm | 1570 mm |
| Wheelbase Size | 2840 mm | 2370 mm |
