2009 BMW Z4 vs. 2009 Porsche 911
To start off, both 2009 BMW Z4 and 2009 Porsche 911 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,824 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 135 more horse power than 2009 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 246 kg more than 2009 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 150 more torque (in Nm) than 2009 BMW Z4. (250 Nm @ 2000 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4.
Compare all specifications:
| 2009 BMW Z4 | 2009 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z4 | 911 |
| Year Released | 2009 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 2494 cc | 3824 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 350 HP |
| Engine RPM | 6500 RPM | 6600 RPM |
| Torque | 250 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 4600 RPM |
| Engine Bore Size | 82 mm | 96 mm |
| Engine Stroke Size | 78.8 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 227 km/hour | 285 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1290 kg | 1536 kg |
| Vehicle Length | 4100 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1310 mm |
| Vehicle Height | 1310 mm | 1780 mm |
| Wheelbase Size | 2500 mm | 2360 mm |
| Fuel Consumption Overall | 9.7 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
