2003 BMW 325 vs. 2002 Opel Signum
To start off, 2003 BMW 325 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 2,957 cc (6 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 BMW 325 (192 HP @ 6000 RPM) has 18 more horse power than 2002 Opel Signum. (174 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 325 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 190 kg more than 2003 BMW 325.
Let's talk about torque, 2002 Opel Signum (377 Nm @ 1900 RPM) has 132 more torque (in Nm) than 2003 BMW 325. (245 Nm @ 3500 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 325.
Compare all specifications:
| 2003 BMW 325 | 2002 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2003 | 2002 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 192 HP | 174 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 245 Nm | 377 Nm |
| Torque RPM | 3500 RPM | 1900 RPM |
| Engine Bore Size | 84.1 mm | 87.5 mm |
| Engine Stroke Size | 75 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Acceleration 0-100mph | 7.1 seconds | 9.4 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1480 kg | 1670 kg |
| Vehicle Length | 4270 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 8.9 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
