2004 BMW 318 vs. 2001 Opel Signum
To start off, 2004 BMW 318 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Opel Signum. In addition, the cost of maintenance, including insurance, on 2001 Opel Signum would be higher. At 2,958 cc (6 cylinders), 2001 Opel Signum is equipped with a bigger engine. In terms of performance, 2001 Opel Signum (175 HP @ 4000 RPM) has 62 more horse power than 2004 BMW 318. (113 HP @ 4000 RPM) In normal driving conditions, 2001 Opel Signum should accelerate faster than 2004 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Signum weights approximately 200 kg more than 2004 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 BMW 318. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2001 Opel Signum (370 Nm @ 1900 RPM) has 90 more torque (in Nm) than 2004 BMW 318. (280 Nm @ 1750 RPM). This means 2001 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 318.
Compare all specifications:
| 2004 BMW 318 | 2001 Opel Signum | |
| Make | BMW | Opel |
| Model | 318 | Signum |
| Year Released | 2004 | 2001 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 113 HP | 175 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 280 Nm | 370 Nm |
| Torque RPM | 1750 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 82 mm |
| Engine Compression Ratio | 17.0:1 | 18.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 204 km/hour | 221 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 1670 kg |
| Vehicle Length | 4480 mm | 4640 mm |
| Vehicle Width | 1750 mm | 1800 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
| Fuel Tank Capacity | 63 L | 60 L |
