2009 BMW 325 vs. 2003 Opel Signum
To start off, 2009 BMW 325 is newer by 6 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2009 BMW 325 (215 HP @ 6500 RPM) has 41 more horse power than 2003 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2009 BMW 325 should accelerate faster than 2003 Opel Signum.
Because 2009 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 2009 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 55 more torque (in Nm) than 2009 BMW 325. (315 Nm @ 2750 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325. 2003 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. 2003 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW 325 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 174 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 315 Nm | 370 Nm |
| Torque RPM | 2750 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 87.6 mm |
| Engine Stroke Size | 81 mm | 82 mm |
| Engine Compression Ratio | 9.8:1 | 18.5:1 |
| Acceleration 0-100mph | 7 seconds | 9.9 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 | 2710 mm |
| Fuel Consumption Overall | 8.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
