2004 Opel Signum vs. 2010 BMW 750
To start off, 2010 BMW 750 is newer by 6 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 4,400 cc (8 cylinders), 2010 BMW 750 is equipped with a bigger engine. In terms of performance, 2010 BMW 750 (400 HP @ 5500 RPM) has 227 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2010 BMW 750 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 750 weights approximately 645 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 2010 BMW 750 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2010 BMW 750 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, 2010 BMW 750 (609 Nm @ 1800 RPM) has 344 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2010 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2010 BMW 750 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. 2010 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2010 BMW 750 | |
| Make | Opel | BMW |
| Model | Signum | 750 |
| Year Released | 2004 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 4400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 400 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 265 Nm | 609 Nm |
| Torque RPM | 2500 RPM | 1800 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 2205 kg |
| Vehicle Length | 4640 mm | 5215 mm |
| Vehicle Width | 1800 mm | 1902 mm |
| Vehicle Height | 1470 mm | 1481 mm |
| Wheelbase Size | 2840 mm | 3211 mm |
| Fuel Tank Capacity | 60 L | 82 L |
