2003 BMW M3 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 3,168 cc (6 cylinders), 2003 BMW M3 is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 222 more horse power than 2005 Opel Vectra. (120 HP @ 5400 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 85 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, 2005 Opel Vectra, 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 (350 Nm @ 4900 RPM) has 183 more torque (in Nm) than 2005 Opel Vectra. (167 Nm @ 3800 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2003 BMW M3 | 2005 Opel Vectra | |
| Make | BMW | Opel |
| Model | M3 | Vectra |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 120 HP |
| Engine RPM | 7900 RPM | 5400 RPM |
| Torque | 350 Nm | 167 Nm |
| Torque RPM | 4900 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1385 kg | 1470 kg |
| Vehicle Length | 4500 mm | 4830 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1510 mm |
