2007 BMW 320 vs. 2006 Opel Astra
To start off, 2007 BMW 320 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Astra. In addition, the cost of maintenance, including insurance, on 2006 Opel Astra 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 25 more horse power than 2006 Opel Astra. (123 HP @ 5600 RPM). In normal driving conditions, 2007 BMW 320 should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 320 weights approximately 117 kg more than 2006 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2007 BMW 320 (200 Nm @ 3600 RPM) has 30 more torque (in Nm) than 2006 Opel Astra. (170 Nm @ 3800 RPM). This means 2007 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2007 BMW 320 | 2006 Opel Astra | |
| Make | BMW | Opel |
| Model | 320 | Astra |
| Year Released | 2007 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 123 HP |
| Engine RPM | 6200 RPM | 5600 RPM |
| Torque | 200 Nm | 170 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 220 km/hour | 180 km/hour |
| Acceleration 0-100mph | 9 seconds | 12.3 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1278 kg |
| Vehicle Length | 4530 mm | 4260 mm |
| Vehicle Width | 1430 mm | 1760 mm |
| Vehicle Height | 1880 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2620 mm |
| Fuel Consumption Overall | 7.4 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
