2003 Opel Vectra vs. 2011 BMW M3
To start off, 2011 BMW M3 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 3,999 cc (8 cylinders), 2011 BMW M3 is equipped with a bigger engine. In terms of performance, 2011 BMW M3 (414 HP @ 8300 RPM) has 240 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2011 BMW M3 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 109 kg more than 2011 BMW M3.
Because 2011 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 2011 BMW M3. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2011 BMW M3 (400 Nm @ 3900 RPM) has 30 more torque (in Nm) than 2003 Opel Vectra. (370 Nm @ 1900 RPM). This means 2011 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2003 Opel Vectra has automatic transmission and 2011 BMW M3 has manual transmission. 2011 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2011 BMW M3 | |
| Make | Opel | BMW |
| Model | Vectra | M3 |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 3999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 414 HP |
| Engine RPM | 4000 RPM | 8300 RPM |
| Torque | 370 Nm | 400 Nm |
| Torque RPM | 1900 RPM | 3900 RPM |
| Engine Bore Size | 87.5 mm | 75.2 mm |
| Engine Stroke Size | 82 mm | 92 mm |
| Top Speed | 220 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 4.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1764 kg | 1655 kg |
| Vehicle Length | 4830 mm | 4615 mm |
| Vehicle Width | 1800 mm | 1803 mm |
| Vehicle Height | 1510 mm | 1424 mm |
| Wheelbase Size | 2840 mm | 2761 mm |
| Fuel Consumption | 5.8 L/100km | 9.3 L/100km |
| Fuel Consumption City | 11 L/100km | 17.7 L/100km |
| Fuel Consumption Overall | 7.7 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
