2007 BMW X5 vs. 2006 Opel Signum
To start off, 2007 BMW X5 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 3,175 cc (6 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (228 HP @ 5900 RPM) has 20 more horse power than 2006 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 470 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 BMW X5 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, both vehicles can yield 301 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. 2006 Opel Signum has automatic transmission and 2007 BMW X5 has manual transmission. 2007 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 2006 Opel Signum | |
| Make | BMW | Opel |
| Model | X5 | Signum |
| Year Released | 2007 | 2006 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 208 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 301 Nm | 301 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 - Premium |
| Top Speed | 210 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2080 kg | 1610 kg |
| Vehicle Length | 4670 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1880 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2840 mm |
| Fuel Consumption Overall | 14.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 85 L | 60 L |
