2007 Opel Signum vs. 2010 BMW 325
To start off, 2010 BMW 325 is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Opel Signum. In addition, the cost of maintenance, including insurance, on 2007 Opel Signum would be higher. At 2,494 cc (6 cylinders), 2010 BMW 325 is equipped with a bigger engine. In terms of performance, 2010 BMW 325 (215 HP @ 6100 RPM) has 67 more horse power than 2007 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2010 BMW 325 should accelerate faster than 2007 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Signum weights approximately 68 kg more than 2010 BMW 325.
Because 2010 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 2010 BMW 325. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Signum (315 Nm @ 2000 RPM) has 44 more torque (in Nm) than 2010 BMW 325. (271 Nm @ 4200 RPM). This means 2007 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2010 BMW 325.
Compare all specifications:
| 2007 Opel Signum | 2010 BMW 325 | |
| Make | Opel | BMW |
| Model | Signum | 325 |
| Year Released | 2007 | 2010 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1909 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 215 HP |
| Engine RPM | 4000 RPM | 6100 RPM |
| Torque | 315 Nm | 271 Nm |
| Torque RPM | 2000 RPM | 4200 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 209 km/hour | 248 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 6.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1613 kg | 1545 kg |
| Vehicle Length | 4640 mm | 4230 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Consumption Overall | 6.1 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
