2007 BMW Z4 vs. 2005 Porsche 911
To start off, 2007 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (377 HP @ 7400 RPM) has 19 more horse power than 2007 BMW Z4. (358 HP @ 7900 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2007 BMW Z4.
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, both vehicles can yield 385 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 BMW Z4 | 2005 Porsche 911 | |
| Make | BMW | Porsche |
| Model | Z4 | 911 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3199 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 358 HP | 377 HP |
| Engine RPM | 7900 RPM | 7400 RPM |
| Torque | 385 Nm | 385 Nm |
| Torque RPM | 4900 RPM | 5000 RPM |
| Engine Compression Ratio | 11.5:1 | 11.7:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 273 km/hour | 306 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4100 mm | 4440 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1300 mm | 1280 mm |
| Wheelbase Size | 2500 mm | 2360 mm |
