2001 Opel Signum vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 12 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 231 more horse power than 2001 Opel Signum. (208 HP @ 6200 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2001 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 542 kg more than 2001 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 7 Series 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 2013 BMW 7 Series. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 351 more torque (in Nm) than 2001 Opel Signum. (300 Nm @ 4000 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Signum.
Compare all specifications:
| 2001 Opel Signum | 2013 BMW 7 Series | |
| Make | Opel | BMW |
| Model | Signum | 7 Series |
| Year Released | 2001 | 2013 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3173 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 208 HP | 439 HP |
| Engine RPM | 6200 RPM | 5500 RPM |
| Torque | 300 Nm | 651 Nm |
| Torque RPM | 4000 RPM | 4500 RPM |
| Engine Bore Size | 87.5 mm | 89 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Engine Compression Ratio | 10.0:1 | 10.0 :1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 237 km/hour | 250 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1610 kg | 2152 kg |
| Vehicle Length | 4640 mm | 5074 mm |
| Vehicle Width | 1800 mm | 2134 mm |
| Vehicle Height | 1470 mm | 1471 mm |
| Wheelbase Size | 2640 mm | 3070 mm |
| Fuel Tank Capacity | 52 L | 80 L |
