2003 BMW M3 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 4 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 3,175 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 BMW M3 (342 HP @ 7900 RPM) has 134 more horse power than 2007 Opel Vectra. (208 HP @ 6200 RPM). In normal driving conditions, 2003 BMW M3 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 138 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, 2007 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 50 more torque (in Nm) than 2007 Opel Vectra. (300 Nm @ 4000 RPM). This means 2003 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2003 BMW M3 | 2007 Opel Vectra | |
| Make | BMW | Opel |
| Model | M3 | Vectra |
| Year Released | 2003 | 2007 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 208 HP |
| Engine RPM | 7900 RPM | 6200 RPM |
| Torque | 350 Nm | 300 Nm |
| Torque RPM | 4900 RPM | 4000 RPM |
| Engine Bore Size | 87 mm | 87.5 mm |
| Engine Stroke Size | 91 mm | 88 mm |
| Engine Compression Ratio | 11.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 259 km/hour | 248 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 7.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1523 kg |
| Vehicle Length | 4500 mm | 4600 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2710 mm |
| Fuel Consumption Overall | 11.4 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
