2004 Opel Signum vs. 2009 BMW 525
To start off, 2009 BMW 525 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 2,497 cc (6 cylinders), 2009 BMW 525 is equipped with a bigger engine. In terms of performance, 2009 BMW 525 (215 HP @ 6500 RPM) has 42 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2009 BMW 525 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 525 weights approximately 126 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 15 more torque (in Nm) than 2009 BMW 525. (250 Nm @ 2750 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 525. 2009 BMW 525 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2009 BMW 525 | |
| Make | Opel | BMW |
| Model | Signum | 525 |
| Year Released | 2004 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 215 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 265 Nm | 250 Nm |
| Torque RPM | 2500 RPM | 2750 RPM |
| Engine Bore Size | 86 mm | 78.8 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 240 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1686 kg |
| Vehicle Length | 4640 mm | 4850 mm |
| Vehicle Width | 1800 mm | 1850 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 2840 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
