2007 BMW Convertible vs. 1991 Opel Astra
To start off, 2007 BMW Convertible is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 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 (362 HP @ 6300 RPM) has 280 more horse power than 1991 Opel Astra. (82 HP @ 4400 RPM). In normal driving conditions, 2007 BMW Convertible should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Convertible weights approximately 720 kg more than 1991 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 322 more torque (in Nm) than 1991 Opel Astra. (168 Nm @ 2400 RPM). This means 2007 BMW Convertible will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2007 BMW Convertible has automatic transmission and 1991 Opel Astra has manual transmission. 1991 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 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | Convertible | Astra |
| Year Released | 2007 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1686 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 362 HP | 82 HP |
| Engine RPM | 6300 RPM | 4400 RPM |
| Torque | 490 Nm | 168 Nm |
| Torque RPM | 3600 RPM | 2400 RPM |
| Engine Compression Ratio | 10.5:1 | 22.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 245 km/hour | 164 km/hour |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1850 kg | 1130 kg |
| Vehicle Length | 4830 mm | 4060 mm |
| Vehicle Width | 1380 mm | 1690 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2790 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 75 L |
