1991 Opel Astra vs. 2011 BMW 730
To start off, 2011 BMW 730 is newer by 20 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 2,993 cc (6 cylinders), 2011 BMW 730 is equipped with a bigger engine. In terms of performance, 2011 BMW 730 (244 HP @ 4000 RPM) has 144 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM) In normal driving conditions, 2011 BMW 730 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW 730 weights approximately 880 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.
Because 2011 BMW 730 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2011 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2011 BMW 730 (540 Nm @ 4000 RPM) has 405 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2011 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2011 BMW 730 | |
| Make | Opel | BMW |
| Model | Astra | 730 |
| Year Released | 1991 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 244 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 135 Nm | 540 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Top Speed | 173 km/hour | 246 km/hour |
| Acceleration 0-100mph | 13.1 seconds | 7.2 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 8-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1940 kg |
| Vehicle Length | 4250 mm | 5072 mm |
| Vehicle Width | 1690 mm | 1902 mm |
| Vehicle Height | 1430 mm | 1479 mm |
| Wheelbase Size | 2530 mm | 3070 mm |
