2005 BMW 330 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 330. In addition, the cost of maintenance, including insurance, on 2005 BMW 330 would be higher. At 3,175 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 BMW 330 (215 HP @ 7400 RPM) has 7 more horse power than 2008 Opel Signum. (208 HP @ 6200 RPM). In normal driving conditions, 2005 BMW 330 should accelerate faster than 2008 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 120 kg more than 2005 BMW 330.
Let's talk about torque, 2008 Opel Signum (300 Nm) has 10 more torque (in Nm) than 2005 BMW 330. (290 Nm). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 330.
Compare all specifications:
| 2005 BMW 330 | 2008 Opel Signum | |
| Make | BMW | Opel |
| Model | 330 | Signum |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 208 HP |
| Engine RPM | 7400 RPM | 6200 RPM |
| Torque | 290 Nm | 300 Nm |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 10.2:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1610 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 10.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
