2006 BMW X3 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW X3. In addition, the cost of maintenance, including insurance, on 2006 BMW X3 would be higher. At 3,175 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (208 HP @ 6200 RPM) has 19 more horse power than 2006 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 250 kg more than 2006 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 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, 2006 BMW X3 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 (300 Nm @ 4000 RPM) has 54 more torque (in Nm) than 2006 BMW X3. (246 Nm @ 3500 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2006 BMW X3 | 2008 Opel Signum | |
| Make | BMW | Opel |
| Model | X3 | Signum |
| Year Released | 2006 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 208 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 246 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 208 km/hour | 237 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1360 kg | 1610 kg |
| Vehicle Length | 4570 mm | 4640 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1680 mm | 1470 mm |
| Wheelbase Size | 2800 mm | 2840 mm |
| Fuel Consumption Overall | 11.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 67 L | 60 L |
