2004 Opel Signum vs. 2013 BMW 1 Series
To start off, 2013 BMW 1 Series is newer by 9 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 2,979 cc (6 cylinders), 2013 BMW 1 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 1 Series (296 HP @ 5800 RPM) has 123 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM) In normal driving conditions, 2013 BMW 1 Series should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 30 kg more than 2013 BMW 1 Series.
Because 2013 BMW 1 Series 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 2013 BMW 1 Series. 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, 2013 BMW 1 Series (407 Nm @ 5000 RPM) has 142 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 2013 BMW 1 Series will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum.
Compare all specifications:
| 2004 Opel Signum | 2013 BMW 1 Series | |
| Make | Opel | BMW |
| Model | Signum | 1 Series |
| Year Released | 2004 | 2013 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 296 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 265 Nm | 407 Nm |
| Torque RPM | 2500 RPM | 5000 RPM |
| Engine Bore Size | 86 mm | 84 mm |
| Engine Stroke Size | 86 mm | 89 mm |
| Engine Compression Ratio | 9.5:1 | 10.2 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 220 km/hour | 240 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1530 kg |
| Vehicle Length | 4640 mm | 4373 mm |
| Vehicle Width | 1800 mm | 1919 mm |
| Vehicle Height | 1470 mm | 1408 mm |
| Wheelbase Size | 2840 mm | 2660 mm |
| Fuel Tank Capacity | 60 L | 53 L |
