2006 BMW 325 vs. 2004 Opel Signum
To start off, 2006 BMW 325 is newer by 2 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 2,997 cc, 2006 BMW 325 is equipped with a bigger engine. In terms of performance, 2006 BMW 325 (215 HP @ 6250 RPM) has 67 more horse power than 2004 Opel Signum. (148 HP @ 4000 RPM). In normal driving conditions, 2006 BMW 325 should accelerate faster than 2004 Opel Signum.
Let's talk about torque, 2004 Opel Signum (326 Nm @ 2000 RPM) has 75 more torque (in Nm) than 2006 BMW 325. (251 Nm @ 2750 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325.
Compare all specifications:
| 2006 BMW 325 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 325 | Signum |
| Year Released | 2006 | 2004 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2997 cc | 1908 cc |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 6250 RPM | 4000 RPM |
| Torque | 251 Nm | 326 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Bore Size | 85.1 mm | 82 mm |
| Engine Stroke Size | 87.9 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| 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 Highway | 8.4 L/100km | 5.1 L/100km |
| Fuel Consumption City | 12.4 L/100km | 7.8 L/100km |
| Fuel Consumption Overall | 10.7 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 61 L | 60 L |
