2006 Opel Signum vs. 2011 BMW 525
To start off, 2011 BMW 525 is newer by 5 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 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2011 BMW 525 (217 HP @ 4400 RPM) has 64 more horse power than 2006 Opel Signum. (153 HP @ 5600 RPM) In normal driving conditions, 2011 BMW 525 should accelerate faster than 2006 Opel Signum.
Because 2011 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 2011 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2011 BMW 525 (450 Nm @ 2500 RPM) has 230 more torque (in Nm) than 2006 Opel Signum. (220 Nm @ 3800 RPM). This means 2011 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum. 2011 BMW 525 has automatic transmission and 2006 Opel Signum has manual transmission. 2006 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Signum | 2011 BMW 525 | |
| Make | Opel | BMW |
| Model | Signum | 525 |
| Year Released | 2006 | 2011 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 153 HP | 217 HP |
| Engine RPM | 5600 RPM | 4400 RPM |
| Torque | 220 Nm | 450 Nm |
| Torque RPM | 3800 RPM | 2500 RPM |
| Engine Bore Size | 86 mm | 90 mm |
| Engine Stroke Size | 94.6 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4640 mm | 4907 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1462 mm |
| Wheelbase Size | 2840 mm | 2968 mm |
| Fuel Tank Capacity | 60 L | 70 L |
