2008 BMW 750 vs. 2004 Opel Signum
To start off, 2008 BMW 750 is newer by 4 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 4,799 cc (8 cylinders), 2008 BMW 750 is equipped with a bigger engine. In terms of performance, 2008 BMW 750 (360 HP @ 6300 RPM) has 187 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 2008 BMW 750 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 750 weights approximately 174 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 2008 BMW 750 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 2008 BMW 750. 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, 2008 BMW 750 (488 Nm @ 3499 RPM) has 223 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2008 BMW 750 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2008 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. 2008 BMW 750 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 750 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 750 | Signum |
| Year Released | 2008 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 173 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 488 Nm | 265 Nm |
| Torque RPM | 3499 RPM | 2500 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 88.3 mm | 86 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 241 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1734 kg | 1560 kg |
| Vehicle Length | 5050 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2840 mm |
| Fuel Consumption Overall | 11.4 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 88 L | 60 L |
