2007 BMW 320 vs. 2003 Opel Vectra
To start off, 2007 BMW 320 is newer by 4 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 2,957 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 4000 RPM) has 25 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 175 kg more than 2007 BMW 320. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 320 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 2007 BMW 320. 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 169 more torque (in Nm) than 2007 BMW 320. (201 Nm @ 3600 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2007 BMW 320 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 320 | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 173 HP |
| Engine RPM | 6200 RPM | 4000 RPM |
| Torque | 201 Nm | 370 Nm |
| Torque RPM | 3600 RPM | 1900 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 218 km/hour | 226 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1605 kg |
| Vehicle Length | 4530 mm | 4600 mm |
| Vehicle Width | 1420 mm | 1770 mm |
| Vehicle Height | 1820 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2740 mm |
| Fuel Consumption Overall | 7.6 L/100km | 7 L/100km |
| Fuel Tank Capacity | 63 L | 60 L |
