2008 BMW X3 vs. 2003 Opel Signum
To start off, 2008 BMW X3 is newer by 5 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 3,175 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 BMW X3 (228 HP @ 5900 RPM) has 19 more horse power than 2003 Opel Signum. (209 HP @ 6200 RPM). In normal driving conditions, 2008 BMW X3 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 220 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW X3 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2008 BMW X3. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2008 BMW X3 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | X3 | Signum |
| Year Released | 2008 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 209 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 89.6 mm | 88 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1765 kg | 1545 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
| Fuel Tank Capacity | 67 L | 60 L |
