2004 BMW 118 vs. 2003 Opel Signum
To start off, 2004 BMW 118 is newer by 1 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 3,173 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (207 HP @ 6200 RPM) has 80 more horse power than 2004 BMW 118. (127 HP @ 5750 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 2004 BMW 118. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 278 kg more than 2004 BMW 118. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW 118 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 2004 BMW 118. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Opel Signum (300 Nm @ 4000 RPM) has 120 more torque (in Nm) than 2004 BMW 118. (180 Nm @ 3250 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 118.
Compare all specifications:
| 2004 BMW 118 | 2003 Opel Signum | |
| Make | BMW | Opel |
| Model | 118 | Signum |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 3173 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 127 HP | 207 HP |
| Engine RPM | 5750 RPM | 6200 RPM |
| Torque | 180 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 204 km/hour | 235 km/hour |
| Acceleration 0-100mph | 10.4 seconds | 8.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1335 kg | 1613 kg |
| Vehicle Length | 4230 mm | 4640 mm |
| Vehicle Width | 1760 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2670 mm | 2840 mm |
| Fuel Consumption | 6.1 L/100km | 7.8 L/100km |
| Fuel Consumption City | 10.7 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 7.8 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 50 L | 60 L |
