2004 Opel Signum vs. 2007 BMW 330
To start off, 2007 BMW 330 is newer by 3 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 2,993 cc (6 cylinders), 2007 BMW 330 is equipped with a bigger engine. In terms of performance, 2007 BMW 330 (228 HP @ 4000 RPM) has 55 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2007 BMW 330 should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 330 weights approximately 120 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 330 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 2007 BMW 330. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2007 BMW 330 (500 Nm @ 1750 RPM) has 235 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2007 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 2007 BMW 330 has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 330 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Signum | 2007 BMW 330 | |
| Make | Opel | BMW |
| Model | Signum | 330 |
| Year Released | 2004 | 2007 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 228 HP |
| Engine RPM | 5500 RPM | 4000 RPM |
| Torque | 265 Nm | 500 Nm |
| Torque RPM | 2500 RPM | 1750 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Engine Compression Ratio | 9.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 220 km/hour | 248 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1680 kg |
| Vehicle Length | 4640 mm | 4480 mm |
| Vehicle Width | 1800 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2770 mm |
| Fuel Consumption Overall | 9.4 L/100km | 6.7 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
