2008 BMW X5 vs. 1991 Opel Astra
To start off, 2008 BMW X5 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 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (350 HP @ 6300 RPM) has 268 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 614 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 X5 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 will offer significantly more control. 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 X5 (475 Nm @ 3400 RPM) has 362 more torque (in Nm) than 1991 Opel Astra. (113 Nm @ 3400 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra. 2008 BMW X5 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. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | X5 | Astra |
| Year Released | 2008 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1388 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 82 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 475 Nm | 113 Nm |
| Torque RPM | 3400 RPM | 3400 RPM |
| Engine Bore Size | 93 mm | 77.6 mm |
| Engine Stroke Size | 88.3 mm | 73.4 mm |
| Engine Compression Ratio | 10.5:1 | 9.4:1 |
| Top Speed | 242 km/hour | 171 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1554 kg | 940 kg |
| Vehicle Length | 4860 mm | 4060 mm |
| Vehicle Width | 1940 mm | 1690 mm |
| Vehicle Height | 1740 mm | 1430 mm |
| Wheelbase Size | 2940 mm | 2610 mm |
