2008 BMW 330 vs. 2003 Opel Signum
To start off, 2008 BMW 330 is newer by 5 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 2,979 cc (6 cylinders), 2008 BMW 330 is equipped with a bigger engine. In terms of performance, 2008 BMW 330 (228 HP @ 5900 RPM) has 129 more horse power than 2003 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2008 BMW 330 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 330 weights approximately 60 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2008 BMW 330 (300 Nm @ 3500 RPM) has 70 more torque (in Nm) than 2003 Opel Signum. (230 Nm @ 1500 RPM). This means 2008 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2008 BMW 330 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | 330 | Signum |
| Year Released | 2008 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 99 HP |
| Engine RPM | 5900 RPM | 3120 RPM |
| Torque | 300 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 89.6 mm | 90 mm |
| Engine Compression Ratio | 10.2:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 247 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 14.3 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1680 kg | 1620 kg |
| Vehicle Length | 4490 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Consumption Overall | 11.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
