1973 BMW 525 vs. 2001 Opel Astra
To start off, 2001 Opel Astra is newer by 28 year(s). Which means there will be less support and parts availability for 1973 BMW 525. In addition, the cost of maintenance, including insurance, on 1973 BMW 525 would be higher. At 2,494 cc (6 cylinders), 1973 BMW 525 is equipped with a bigger engine. In terms of performance, 1973 BMW 525 (143 HP @ 6000 RPM) has 20 more horse power than 2001 Opel Astra. (123 HP @ 4400 RPM). In normal driving conditions, 1973 BMW 525 should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1973 BMW 525 weights approximately 30 kg more than 2001 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1973 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 1973 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 1973 BMW 525 (208 Nm) has 38 more torque (in Nm) than 2001 Opel Astra. (170 Nm). This means 1973 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra.
Compare all specifications:
| 1973 BMW 525 | 2001 Opel Astra | |
| Make | BMW | Opel |
| Model | 525 | Astra |
| Year Released | 1973 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 143 HP | 123 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 208 Nm | 170 Nm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Top Speed | 192 km/hour | 182 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1350 kg |
| Vehicle Length | 4630 mm | 4270 mm |
| Vehicle Width | 1700 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2640 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 58 L |
