2003 Opel Astra vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 1,997 cc (4 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (182 HP @ 5000 RPM) has 83 more horse power than 2003 Opel Astra. (99 HP @ 5600 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 130 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW Z4 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 2011 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2011 BMW Z4 (270 Nm @ 1250 RPM) has 121 more torque (in Nm) than 2003 Opel Astra. (149 Nm @ 3600 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
2003 Opel Astra | 2011 BMW Z4 | |
Make | Opel | BMW |
Model | Astra | Z4 |
Year Released | 2003 | 2011 |
Body Type | Convertible | Convertible |
Engine Position | Front | Front |
Engine Size | 1598 cc | 1997 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 99 HP | 182 HP |
Engine RPM | 5600 RPM | 5000 RPM |
Torque | 149 Nm | 270 Nm |
Torque RPM | 3600 RPM | 1250 RPM |
Engine Bore Size | 79 mm | 90.1 mm |
Engine Stroke Size | 81.5 mm | 84 mm |
Fuel Type | Gasoline | Gasoline |
Drive Type | Front | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 2 doors | 2 doors |
Vehicle Weight | 1350 kg | 1480 kg |
Vehicle Length | 4280 mm | 4239 mm |
Vehicle Width | 1720 mm | 1791 mm |
Vehicle Height | 1470 mm | 1290 mm |
Wheelbase Size | 2620 mm | 2497 mm |
Fuel Tank Capacity | 52 L | 55 L |