2010 BMW 325 vs. 2007 Opel Signum
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 3,173 cc (6 cylinders), 2007 Opel Signum is equipped with a bigger engine. In terms of performance, 2010 BMW 325 (215 HP @ 6500 RPM) has 7 more horse power than 2007 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2010 BMW 325 should accelerate faster than 2007 Opel Signum.
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, 2010 BMW 325 (315 Nm @ 2750 RPM) has 15 more torque (in Nm) than 2007 Opel Signum. (300 Nm @ 4000 RPM). This means 2010 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Signum. 2007 Opel Signum has automatic transmission and 2010 BMW 325 has manual transmission. 2010 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2010 BMW 325 | 2007 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2010 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 3173 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 208 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 315 Nm | 300 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 81 mm | 88 mm |
| Engine Compression Ratio | 9.8:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 245 km/hour | 237 km/hour |
| Acceleration 0-100mph | 7 seconds | 7.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1430 mm | 1800 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 8.4 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
