2007 BMW 523 vs. 2005 Opel Astra
To start off, 2007 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 2,497 cc (6 cylinders), 2007 BMW 523 is equipped with a bigger engine. In terms of performance, 2007 BMW 523 (175 HP @ 5800 RPM) has 79 more horse power than 2005 Opel Astra. (96 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 523 should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 523 weights approximately 185 kg more than 2005 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 523 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 2007 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2007 BMW 523 (230 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2005 Opel Astra. (140 Nm @ 3800 RPM). This means 2007 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
2007 BMW 523 | 2005 Opel Astra | |
Make | BMW | Opel |
Model | 523 | Astra |
Year Released | 2007 | 2005 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 2497 cc | 1598 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 175 HP | 96 HP |
Engine RPM | 5800 RPM | 5800 RPM |
Torque | 230 Nm | 140 Nm |
Torque RPM | 3500 RPM | 3800 RPM |
Engine Bore Size | 78.8 mm | 79.1 mm |
Engine Stroke Size | 82 mm | 81.5 mm |
Engine Compression Ratio | 11.0:1 | 12.5:1 |
Acceleration 0-100mph | 8.8 seconds | 14.5 seconds |
Drive Type | Rear | Front |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1565 kg | 1380 kg |
Vehicle Length | 4850 mm | 4290 mm |
Vehicle Width | 1850 mm | 1720 mm |
Vehicle Height | 1470 mm | 1470 mm |
Wheelbase Size | 2890 mm | 2700 mm |
Fuel Consumption Overall | 8.5 L/100km | 5.5 L/100km |
Fuel Tank Capacity | 70 L | 52 L |