2005 BMW 545 vs. 1991 Opel Astra
To start off, 2005 BMW 545 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 4,398 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (328 HP @ 6100 RPM) has 272 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 BMW 545 should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 580 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 545 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 545. 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 545 (450 Nm @ 3600 RPM) has 345 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
2005 BMW 545 | 1991 Opel Astra | |
Make | BMW | Opel |
Model | 545 | Astra |
Year Released | 2005 | 1991 |
Engine Position | Front | Front |
Engine Size | 4398 cc | 1700 cc |
Engine Cylinders | 8 cylinders | 4 cylinders |
Engine Type | V | in-line |
Horse Power | 328 HP | 56 HP |
Engine RPM | 6100 RPM | 4600 RPM |
Torque | 450 Nm | 105 Nm |
Torque RPM | 3600 RPM | 2400 RPM |
Engine Bore Size | 92 mm | 82.5 mm |
Engine Stroke Size | 82.7 mm | 79.5 mm |
Engine Compression Ratio | 10.0:1 | 23.0:1 |
Top Speed | 250 km/hour | 150 km/hour |
Acceleration 0-100mph | 5.8 seconds | 18.8 seconds |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 3 doors |
Vehicle Weight | 1630 kg | 1050 kg |
Vehicle Length | 4850 mm | 4060 mm |
Vehicle Width | 1850 mm | 1670 mm |
Vehicle Height | 1480 mm | 1430 mm |
Wheelbase Size | 2890 mm | 2530 mm |
Fuel Tank Capacity | 70 L | 40 L |