2004 Opel Signum vs. 2006 BMW 530
To start off, 2006 BMW 530 is newer by 2 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 2,996 cc (6 cylinders), 2006 BMW 530 is equipped with a bigger engine. In terms of performance, 2006 BMW 530 (254 HP @ 6600 RPM) has 81 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2006 BMW 530 should accelerate faster than 2004 Opel Signum.
Because 2006 BMW 530 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 BMW 530 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, 2006 BMW 530 (300 Nm @ 2500 RPM) has 35 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2006 BMW 530 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2006 BMW 530 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. 2006 BMW 530 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2006 BMW 530 | |
| Make | Opel | BMW |
| Model | Signum | 530 |
| Year Released | 2004 | 2006 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 254 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 265 Nm | 300 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Compression Ratio | 9.5:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 250 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| 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 | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
