2001 BMW 318 vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 3 year(s). Which means there will be less support and parts availability for 2001 BMW 318. In addition, the cost of maintenance, including insurance, on 2001 BMW 318 would be higher. At 1,995 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 25 more horse power than 2001 BMW 318. (148 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Signum should accelerate faster than 2001 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 165 kg more than 2001 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW 318 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 2001 BMW 318. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 65 more torque (in Nm) than 2001 BMW 318. (200 Nm @ 3750 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2001 BMW 318.
Compare all specifications:
| 2001 BMW 318 | 2004 Opel Signum | |
| Make | BMW | Opel |
| Model | 318 | Signum |
| Year Released | 2001 | 2004 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 200 Nm | 265 Nm |
| Torque RPM | 3750 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 10.2:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 217 km/hour | 220 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1560 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
