2003 Opel Vectra vs. 2006 BMW 318
To start off, 2006 BMW 318 is newer by 3 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 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (174 HP @ 4000 RPM) has 33 more horse power than 2006 BMW 318. (141 HP @ 6000 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2006 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 369 kg more than 2006 BMW 318. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 318 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 2006 BMW 318. 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, 2003 Opel Vectra (370 Nm @ 1900 RPM) has 170 more torque (in Nm) than 2006 BMW 318. (200 Nm @ 3750 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 318.
Compare all specifications:
| 2003 Opel Vectra | 2006 BMW 318 | |
| Make | Opel | BMW |
| Model | Vectra | 318 |
| Year Released | 2003 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 141 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 200 Nm |
| Torque RPM | 1900 RPM | 3750 RPM |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Top Speed | 220 km/hour | 213 km/hour |
| Acceleration 0-100mph | 10.1 seconds | 9.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1764 kg | 1395 kg |
| Vehicle Length | 4830 mm | 4490 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1510 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Consumption Overall | 7.7 L/100km | 7.4 L/100km |
| Fuel Tank Capacity | 60 L | 63 L |
