2006 BMW 325 vs. 2003 Opel Signum
To start off, 2006 BMW 325 is newer by 3 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 2,497 cc (6 cylinders), 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (215 HP @ 6500 RPM) has 116 more horse power than 2003 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2006 BMW 325 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 75 kg more than 2006 BMW 325.
Because 2006 BMW 325 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 325. 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, 2006 BMW 325 (251 Nm @ 2750 RPM) has 21 more torque (in Nm) than 2003 Opel Signum. (230 Nm @ 1500 RPM). This means 2006 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2006 BMW 325 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 99 HP |
| Engine RPM | 6500 RPM | 3120 RPM |
| Torque | 251 Nm | 230 Nm |
| Torque RPM | 2750 RPM | 1500 RPM |
| Engine Bore Size | 78.8 mm | 84 mm |
| Engine Stroke Size | 82 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 185 km/hour |
| Acceleration 0-100mph | 7 seconds | 14.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1545 kg | 1620 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Highway | 7.8 L/100km | 4.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 7.9 L/100km |
| Fuel Consumption Overall | 8.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
