2007 BMW M5 vs. 2009 BMW Z4
To start off, 2009 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW M5. In addition, the cost of maintenance, including insurance, on 2007 BMW M5 would be higher. At 4,999 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 165 more horse power than 2009 BMW Z4. (335 HP @ 7900 RPM). In normal driving conditions, 2007 BMW M5 should accelerate faster than 2009 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M5 weights approximately 230 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, 2007 BMW M5 (520 Nm @ 6100 RPM) has 205 more torque (in Nm) than 2009 BMW Z4. (315 Nm @ 2750 RPM). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW Z4. 2007 BMW M5 has automatic transmission and 2009 BMW Z4 has manual transmission. 2009 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW M5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW M5 | 2009 BMW Z4 | |
| Make | BMW | BMW |
| Model | M5 | Z4 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2979 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 500 HP | 335 HP |
| Engine RPM | 7750 RPM | 7900 RPM |
| Torque | 520 Nm | 315 Nm |
| Torque RPM | 6100 RPM | 2750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 6.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1755 kg | 1525 kg |
| Vehicle Length | 4860 mm | 4100 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2500 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
