2005 BMW X5 vs. 1991 Opel Astra
To start off, 2005 BMW X5 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 2,979 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (229 HP @ 5900 RPM) has 173 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1020 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 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, 2005 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, 2005 BMW X5 (300 Nm @ 3500 RPM) has 195 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2005 BMW X5 | 1991 Opel Astra | |
| Make | BMW | Opel |
| Model | X5 | Astra |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1700 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 229 HP | 56 HP |
| Engine RPM | 5900 RPM | 4600 RPM |
| Torque | 300 Nm | 105 Nm |
| Torque RPM | 3500 RPM | 2400 RPM |
| Engine Bore Size | 84 mm | 82.5 mm |
| Engine Stroke Size | 89.6 mm | 79.5 mm |
| Engine Compression Ratio | 10.0:1 | 23.0:1 |
| Top Speed | 210 km/hour | 150 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 18.8 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2070 kg | 1050 kg |
| Vehicle Length | 4670 mm | 4060 mm |
| Vehicle Width | 1880 mm | 1670 mm |
| Vehicle Height | 1770 mm | 1430 mm |
| Wheelbase Size | 2730 mm | 2530 mm |
| Fuel Tank Capacity | 93 L | 40 L |
