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 1,994 cc (4 cylinders), 2007 BMW 320 is equipped with a bigger engine. In terms of performance, 2007 BMW 320 (148 HP @ 6200 RPM) has 28 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 320 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 95 kg more than 2007 BMW 320.
Let's talk about torque, 2007 BMW 320 (200 Nm @ 3600 RPM) has 30 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2007 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2007 BMW 320 | 2003 Opel Vectra | |
| Make | BMW | Opel |
| Model | 320 | Vectra |
| Year Released | 2007 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1795 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 120 HP |
| Engine RPM | 6200 RPM | 5800 RPM |
| Torque | 200 Nm | 170 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 220 km/hour | 199 km/hour |
| Acceleration 0-100mph | 9 seconds | 12.1 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1395 kg | 1490 kg |
| Vehicle Length | 4530 mm | 4500 mm |
| Vehicle Width | 1430 mm | 1710 mm |
| Vehicle Height | 1880 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2640 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 60 L | 60 L |
