2007 BMW Convertible vs. 2007 Opel Astra
To start off, both 2007 BMW Convertible and 2007 Opel Astra were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2007 BMW Convertible is equipped with a bigger engine. In terms of performance, 2007 BMW Convertible (362 HP @ 6300 RPM) has 184 more horse power than 2007 Opel Astra. (178 HP @ 5500 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 465 kg more than 2007 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 @ 3400 RPM) has 260 more torque (in Nm) than 2007 Opel Astra. (230 Nm @ 1950 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 2007 BMW Convertible has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW Convertible will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Convertible | 2007 Opel Astra | |
| Make | BMW | Opel |
| Model | Convertible | Astra |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 178 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 490 Nm | 230 Nm |
| Torque RPM | 3400 RPM | 1950 RPM |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 5.7 seconds | 8.6 seconds |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1850 kg | 1385 kg |
| Vehicle Length | 4830 mm | 4300 mm |
| Vehicle Width | 1380 mm | 1760 mm |
| Vehicle Height | 1860 mm | 1440 mm |
| Wheelbase Size | 2790 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 52 L |
