2009 BMW 325 vs. 2008 Opel Signum
To start off, 2009 BMW 325 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Opel Signum. In addition, the cost of maintenance, including insurance, on 2008 Opel Signum would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (215 HP @ 6500 RPM) has 40 more horse power than 2008 Opel Signum. (175 HP @ 4000 RPM). In normal driving conditions, 2009 BMW 325 should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 325 weights approximately 5 kg more than 2008 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2009 BMW 325 will offer significantly more control. 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 120 more torque (in Nm) than 2009 BMW 325. (250 Nm @ 2750 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325. 2008 Opel Signum has automatic transmission and 2009 BMW 325 has manual transmission. 2009 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 325 | 2008 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 175 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 250 Nm | 370 Nm |
| Torque RPM | 2750 RPM | 1900 RPM |
| Engine Bore Size | 82 mm | 87.5 mm |
| Engine Stroke Size | 78.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 240 km/hour | 221 km/hour |
| Acceleration 0-100mph | 8 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1675 kg | 1670 kg |
| Vehicle Length | 4530 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
