2003 BMW M3 vs. 2002 Opel Signum
To start off, 2003 BMW M3 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Opel Signum. In addition, the cost of maintenance, including insurance, on 2002 Opel Signum would be higher. At 2,993 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (240 HP @ 6000 RPM) has 120 more horse power than 2002 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2002 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 40 kg more than 2003 BMW M3.
Because 2003 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 2003 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2002 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 BMW M3 (300 Nm @ 4250 RPM) has 135 more torque (in Nm) than 2002 Opel Signum. (165 Nm @ 3800 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Signum.
Compare all specifications:
| 2003 BMW M3 | 2002 Opel Signum | |
| Make | BMW | Opel |
| Model | M3 | Signum |
| Year Released | 2003 | 2002 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 240 HP | 120 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 300 Nm | 165 Nm |
| Torque RPM | 4250 RPM | 3800 RPM |
| Engine Bore Size | 86 mm | 80.5 mm |
| Engine Stroke Size | 85.8 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1442 kg | 1482 kg |
| Vehicle Length | 4440 mm | 4640 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Tank Capacity | 65 L | 60 L |
