2006 BMW 525 vs. 2005 Opel Signum
To start off, 2006 BMW 525 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Signum. In addition, the cost of maintenance, including insurance, on 2005 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2005 Opel Signum is equipped with a bigger engine. In terms of performance, both vehicles can yield 175 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
Because 2006 BMW 525 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 2006 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2006 BMW 525 (400 Nm @ 2000 RPM) has 30 more torque (in Nm) than 2005 Opel Signum. (370 Nm @ 1900 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Signum.
Compare all specifications:
| 2006 BMW 525 | 2005 Opel Signum | |
| Make | BMW | Opel |
| Model | 525 | Signum |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 175 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 400 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 1900 RPM |
| Engine Compression Ratio | 17.0:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 225 km/hour | 221 km/hour |
| Acceleration 0-100mph | 8.1 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4850 mm | 4640 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2620 mm |
| Fuel Consumption Overall | 6.8 L/100km | 7.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
