2007 BMW 325 vs. 2004 Opel Signum
To start off, 2007 BMW 325 is newer by 3 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. At 3,175 cc (6 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (216 HP @ 6500 RPM) has 8 more horse power than 2004 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2007 BMW 325 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 20 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2007 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, 2004 Opel Signum (300 Nm @ 4000 RPM) has 50 more torque (in Nm) than 2007 BMW 325. (250 Nm @ 2750 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325. 2004 Opel Signum has automatic transmission and 2007 BMW 325 has manual transmission. 2007 BMW 325 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 325 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2007 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 216 HP | 208 HP |
| Engine RPM | 6500 RPM | 6200 RPM |
| Torque | 250 Nm | 300 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 87.5 mm |
| Engine Stroke Size | 78.8 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 237 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 7.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1595 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Consumption Overall | 9.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 52 L |
