1991 Opel Astra vs. 2005 BMW 525
To start off, 2005 BMW 525 is newer by 14 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), 2005 BMW 525 is equipped with a bigger engine. In terms of performance, 2005 BMW 525 (161 HP @ 4000 RPM) has 61 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM) In normal driving conditions, 2005 BMW 525 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 525 weights approximately 460 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 2005 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 2005 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, 2005 BMW 525 (351 Nm @ 2000 RPM) has 216 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2005 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2005 BMW 525 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. 2005 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Opel Astra | 2005 BMW 525 | |
| Make | Opel | BMW |
| Model | Astra | 525 |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2497 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 161 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 135 Nm | 351 Nm |
| Torque RPM | 3400 RPM | 2000 RPM |
| Engine Bore Size | 79 mm | 80 mm |
| Engine Stroke Size | 81.5 mm | 82.8 mm |
| Top Speed | 190 km/hour | 230 km/hour |
| Acceleration 0-100mph | 10.4 seconds | 8.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1490 kg |
| Vehicle Length | 4250 mm | 4850 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2730 mm |
| Fuel Tank Capacity | 52 L | 70 L |
