2004 BMW M3 vs. 1999 Opel Signum
To start off, 2004 BMW M3 is newer by 5 year(s). Which means there will be less support and parts availability for 1999 Opel Signum. In addition, the cost of maintenance, including insurance, on 1999 Opel Signum would be higher. At 3,246 cc (6 cylinders), 2004 BMW M3 is equipped with a bigger engine. In terms of performance, 2004 BMW M3 (328 HP @ 7400 RPM) has 229 more horse power than 1999 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2004 BMW M3 should accelerate faster than 1999 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Signum weights approximately 46 kg more than 2004 BMW M3.
Because 2004 BMW M3 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 M3. However, in wet, icy, snow, or gravel driving conditions, 1999 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 BMW M3 (350 Nm) has 110 more torque (in Nm) than 1999 Opel Signum. (240 Nm). This means 2004 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Signum.
Compare all specifications:
| 2004 BMW M3 | 1999 Opel Signum | |
| Make | BMW | Opel |
| Model | M3 | Signum |
| Year Released | 2004 | 1999 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 99 HP |
| Engine RPM | 7400 RPM | 3120 RPM |
| Torque | 350 Nm | 240 Nm |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 91 mm | 90 mm |
| Engine Compression Ratio | 11.5:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1549 kg | 1595 kg |
| Vehicle Length | 4500 mm | 4640 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1380 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 63 L | 60 L |
