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 3,175 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (209 HP @ 6200 RPM) has 61 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 230 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 (300 Nm @ 4000 RPM) has 100 more torque (in Nm) than 2007 BMW 320. (200 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. 2007 BMW 320 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 320 will be easier to drive especially in heavy traffic.
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 | 1994 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 209 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 200 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 220 km/hour | 239 km/hour |
| Acceleration 0-100mph | 9 seconds | 8.1 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1625 kg |
| Vehicle Length | 4530 mm | 4830 mm |
| Vehicle Width | 1430 mm | 1800 mm |
| Vehicle Height | 1820 mm | 1510 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 7.4 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
