2005 BMW 320 vs. 2004 Opel Signum
To start off, 2005 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. Both 2005 BMW 320 and 2004 Opel Signum are equipped with a 1,995 cc engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 25 more horse power than 2005 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2005 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 90 kg more than 2005 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW 320 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 320. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2005 BMW 320 (330 Nm @ 2000 RPM) has 65 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2005 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2005 BMW 320 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 320 | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 173 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 330 Nm | 265 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 214 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1560 kg |
| Vehicle Length | 4270 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 5.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
