2001 BMW 730 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 7 year(s). Which means there will be less support and parts availability for 2001 BMW 730. In addition, the cost of maintenance, including insurance, on 2001 BMW 730 would be higher. At 3,175 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 BMW 730 (227 HP @ 5900 RPM) has 19 more horse power than 2008 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2001 BMW 730 should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW 730 weights approximately 210 kg more than 2008 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW 730 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 2001 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2008 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, both vehicles can yield 300 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2001 BMW 730 | 2008 Opel Signum | |
| Make | BMW | Opel |
| Model | 730 | Signum |
| Year Released | 2001 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2925 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 227 HP | 208 HP |
| Engine RPM | 5900 RPM | 6200 RPM |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 89.6 mm | 88 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Top Speed | 237 km/hour | 237 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1820 kg | 1610 kg |
| Vehicle Length | 5180 mm | 4640 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1470 mm |
| Wheelbase Size | 3000 mm | 2840 mm |
| Fuel Tank Capacity | 88 L | 60 L |
