2006 BMW 645 vs. 2002 Opel Signum
To start off, 2006 BMW 645 is newer by 4 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 208 more horse power than 2002 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 328 kg more than 2002 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 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 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 285 more torque (in Nm) than 2002 Opel Signum. (165 Nm @ 3800 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum. 2006 BMW 645 has automatic transmission and 2002 Opel Signum has manual transmission. 2002 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 645 will be easier to drive especially in heavy traffic.
Compare all specifications:
2006 BMW 645 | 2002 Opel Signum | |
Make | BMW | Opel |
Model | 645 | Signum |
Year Released | 2006 | 2002 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 4398 cc | 1796 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 328 HP | 120 HP |
Engine RPM | 6100 RPM | 6000 RPM |
Torque | 450 Nm | 165 Nm |
Torque RPM | 3600 RPM | 3800 RPM |
Engine Compression Ratio | 10.0:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Acceleration 0-100mph | 5.6 seconds | 12.2 seconds |
Drive Type | Rear | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1810 kg | 1482 kg |
Vehicle Length | 4830 mm | 4640 mm |
Vehicle Width | 1860 mm | 1800 mm |
Vehicle Height | 1380 mm | 1470 mm |
Wheelbase Size | 2790 mm | 2500 mm |
Fuel Consumption Overall | 13.3 L/100km | 7.9 L/100km |
Fuel Tank Capacity | 70 L | 60 L |