2007 BMW M vs. 2006 Opel Signum
To start off, 2007 BMW M is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Signum. In addition, the cost of maintenance, including insurance, on 2006 Opel Signum would be higher. At 3,245 cc (6 cylinders), 2007 BMW M is equipped with a bigger engine. In terms of performance, 2007 BMW M (330 HP @ 7900 RPM) has 210 more horse power than 2006 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2007 BMW M should accelerate faster than 2006 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M weights approximately 5 kg more than 2006 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW M 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 2007 BMW M. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2007 BMW M (355 Nm @ 4900 RPM) has 187 more torque (in Nm) than 2006 Opel Signum. (168 Nm @ 3800 RPM). This means 2007 BMW M will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Signum.
Compare all specifications:
| 2007 BMW M | 2006 Opel Signum | |
| Make | BMW | Opel |
| Model | M | Signum |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3245 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 330 HP | 120 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 355 Nm | 168 Nm |
| Torque RPM | 4900 RPM | 3800 RPM |
| Engine Bore Size | 87 mm | 80.5 mm |
| Engine Stroke Size | 91 mm | 88.2 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 197 km/hour |
| Acceleration 0-100mph | 5 seconds | 12.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1480 kg |
| Vehicle Length | 4120 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption Overall | 12.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 55 L | 60 L |
