2005 BMW 630 vs. 2003 Opel Signum
To start off, 2005 BMW 630 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 3,175 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 BMW 630 (254 HP @ 6600 RPM) has 45 more horse power than 2003 Opel Signum. (209 HP @ 6200 RPM). In normal driving conditions, 2005 BMW 630 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 630 weights approximately 20 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 630 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 2005 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 10 more torque (in Nm) than 2005 BMW 630. (290 Nm @ 2500 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 630.
Compare all specifications:
2005 BMW 630 | 2003 Opel Signum | |
Make | BMW | Opel |
Model | 630 | Signum |
Year Released | 2005 | 2003 |
Body Type | Coupe | Hatchback |
Engine Position | Front | Front |
Engine Size | 2993 cc | 3175 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 254 HP | 209 HP |
Engine RPM | 6600 RPM | 6200 RPM |
Torque | 290 Nm | 300 Nm |
Torque RPM | 2500 RPM | 4000 RPM |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Rear | Front |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1565 kg | 1545 kg |
Vehicle Length | 4830 mm | 4640 mm |
Vehicle Width | 1860 mm | 1800 mm |
Vehicle Height | 1380 mm | 1470 mm |
Wheelbase Size | 2730 mm | 2840 mm |
Fuel Tank Capacity | 70 L | 60 L |