2008 BMW 525 vs. 1991 Opel Astra
To start off, 2008 BMW 525 is newer by 17 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 2,497 cc (6 cylinders), 2008 BMW 525 is equipped with a bigger engine. In terms of performance, 2008 BMW 525 (215 HP @ 6500 RPM) has 159 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2008 BMW 525 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 630 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 2008 BMW 525 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 2008 BMW 525. 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, 2008 BMW 525 (250 Nm @ 2750 RPM) has 145 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2008 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2008 BMW 525 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 56 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 250 Nm | 105 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Engine Bore Size | 78.8 mm | 82.5 mm |
| Engine Stroke Size | 82 mm | 79.5 mm |
| Engine Compression Ratio | 11.0:1 | 23.0:1 |
| Top Speed | 240 km/hour | 150 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 18.8 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1680 kg | 1050 kg |
| Vehicle Length | 4850 mm | 4060 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1500 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 40 L |
