2000 Opel Signum vs. 2012 BMW 640
To start off, 2012 BMW 640 is newer by 12 year(s). Which means there will be less support and parts availability for 2000 Opel Signum. In addition, the cost of maintenance, including insurance, on 2000 Opel Signum would be higher. At 2,979 cc (6 cylinders), 2012 BMW 640 is equipped with a bigger engine. In terms of performance, 2012 BMW 640 (318 HP @ 5800 RPM) has 198 more horse power than 2000 Opel Signum. (120 HP @ 6000 RPM) In normal driving conditions, 2012 BMW 640 should accelerate faster than 2000 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2012 BMW 640 weights approximately 345 kg more than 2000 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 BMW 640 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 2012 BMW 640. However, in wet, icy, snow, or gravel driving conditions, 2000 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, 2012 BMW 640 (450 Nm @ 1300 RPM) has 283 more torque (in Nm) than 2000 Opel Signum. (167 Nm @ 3800 RPM). This means 2012 BMW 640 will have an easier job in driving up hills or pulling heavy equipment than 2000 Opel Signum. 2012 BMW 640 has automatic transmission and 2000 Opel Signum has manual transmission. 2000 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 BMW 640 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2000 Opel Signum | 2012 BMW 640 | |
| Make | Opel | BMW |
| Model | Signum | 640 |
| Year Released | 2000 | 2012 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 318 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 167 Nm | 450 Nm |
| Torque RPM | 3800 RPM | 1300 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Acceleration 0-100mph | 12.2 seconds | 5.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1480 kg | 1825 kg |
| Vehicle Length | 4640 mm | 5007 mm |
| Vehicle Width | 1800 mm | 1894 mm |
| Vehicle Height | 1470 mm | 1392 mm |
| Wheelbase Size | 2640 mm | 2968 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 60 L | 70 L |
