2003 BMW 730 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. At 2,999 cc (6 cylinders), 2003 BMW 730 is equipped with a bigger engine. In terms of performance, 2003 BMW 730 (228 HP @ 5900 RPM) has 139 more horse power than 2007 Opel Astra. (89 HP @ 4000 RPM). In normal driving conditions, 2003 BMW 730 should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 730 weights approximately 460 kg more than 2007 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW 730 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 2003 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2003 BMW 730 (300 Nm @ 3500 RPM) has 100 more torque (in Nm) than 2007 Opel Astra. (200 Nm @ 1750 RPM). This means 2003 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
2003 BMW 730 | 2007 Opel Astra | |
Make | BMW | Opel |
Model | 730 | Astra |
Year Released | 2003 | 2007 |
Engine Position | Front | Front |
Engine Size | 2999 cc | 1248 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 228 HP | 89 HP |
Engine RPM | 5900 RPM | 4000 RPM |
Torque | 300 Nm | 200 Nm |
Torque RPM | 3500 RPM | 1750 RPM |
Engine Bore Size | 84.1 mm | 69.6 mm |
Engine Stroke Size | 90 mm | 82 mm |
Engine Compression Ratio | 10.2:1 | 18.0:1 |
Fuel Type | Gasoline | Diesel |
Drive Type | Rear | Front |
Transmission Type | Automatic | Automatic |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1790 kg | 1330 kg |
Vehicle Length | 5040 mm | 4260 mm |
Vehicle Width | 1910 mm | 1760 mm |
Vehicle Height | 1500 mm | 1470 mm |
Wheelbase Size | 3000 mm | 2620 mm |
Fuel Tank Capacity | 63 L | 52 L |