2007 BMW Convertible vs. 2004 Opel Astra
To start off, 2007 BMW Convertible is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (363 HP @ 6300 RPM) has 238 more horse power than 2004 Opel Astra. (125 HP @ 5600 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 525 kg more than 2004 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 Convertible (490 Nm @ 3600 RPM) has 323 more torque (in Nm) than 2004 Opel Astra. (167 Nm @ 3800 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra.
Compare all specifications:
| 2007 BMW Convertible | 2004 Opel Astra | |
| Make | BMW | Opel |
| Model | Convertible | Astra |
| Year Released | 2007 | 2004 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 363 HP | 125 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 490 Nm | 167 Nm |
| Torque RPM | 3600 RPM | 3800 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Top Speed | 250 km/hour | 198 km/hour |
| Acceleration 0-100mph | 5.7 seconds | 10.9 seconds |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1850 kg | 1325 kg |
| Vehicle Length | 4830 mm | 4520 mm |
| Vehicle Width | 1380 mm | 1800 mm |
| Vehicle Height | 1860 mm | 1510 mm |
| Wheelbase Size | 2790 mm | 2700 mm |
| Fuel Tank Capacity | 70 L | 52 L |
