2007 BMW Z4 vs. 2009 Porsche Boxster
To start off, 2009 Porsche Boxster is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,901 cc (6 cylinders), 2009 Porsche Boxster is equipped with a bigger engine. In terms of performance, 2009 Porsche Boxster (252 HP @ 7200 RPM) has 63 more horse power than 2007 BMW Z4. (189 HP @ 6000 RPM) In normal driving conditions, 2009 Porsche Boxster 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, 2007 BMW Z4 (245 Nm @ 3500 RPM) has 30 more torque (in Nm) than 2009 Porsche Boxster. (215 Nm @ 4400 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche Boxster.
Compare all specifications:
| 2007 BMW Z4 | 2009 Porsche Boxster | |
| Make | BMW | Porsche |
| Model | Z4 | Boxster |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2494 cc | 2901 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 252 HP |
| Engine RPM | 6000 RPM | 7200 RPM |
| Torque | 245 Nm | 215 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 84 mm | 85.5 mm |
| Engine Stroke Size | 75 mm | 78 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 235 km/hour | 262 km/hour |
| Acceleration 0-100mph | 7 seconds | 6.1 seconds |
| 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 | 4330 mm |
| Vehicle Width | 1790 mm | 1300 mm |
| Vehicle Height | 1310 mm | 1790 mm |
| Wheelbase Size | 2500 mm | 2420 mm |
| Fuel Consumption Overall | 9.1 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 55 L | 64 L |
