1999 Opel Signum vs. 2010 BMW 325
To start off, 2010 BMW 325 is newer by 11 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 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 @ 6500 RPM) has 67 more horse power than 1999 Opel Signum. (148 HP @ 4000 RPM) In normal driving conditions, 2010 BMW 325 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW 325 weights approximately 439 kg more than 1999 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1999 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, 1999 Opel Signum (270 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2010 BMW 325. (250 Nm @ 2750 RPM). This means 1999 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2010 BMW 325.
Compare all specifications:
| 1999 Opel Signum | 2010 BMW 325 | |
| Make | Opel | BMW |
| Model | Signum | 325 |
| Year Released | 1999 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1998 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 | 6500 RPM |
| Torque | 270 Nm | 250 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 78.8 mm |
| Engine Stroke Size | 90.4 mm | 82 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Acceleration 0-100mph | 10.5 seconds | 7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1086 kg | 1525 kg |
| Vehicle Length | 4640 mm | 4530 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Tank Capacity | 60 L | 63 L |
