2008 BMW 525 vs. 2007 BMW Z4
To start off, 2008 BMW 525 is newer by 1 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 2,979 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (335 HP @ 7900 RPM) has 120 more horse power than 2008 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2008 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 525 weights approximately 185 kg more 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 (315 Nm @ 2750 RPM) has 65 more torque (in Nm) than 2008 BMW 525. (250 Nm @ 2900 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 525.
Compare all specifications:
| 2008 BMW 525 | 2007 BMW Z4 | |
| Make | BMW | BMW |
| Model | 525 | Z4 |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 335 HP |
| Engine RPM | 6500 RPM | 7900 RPM |
| Torque | 250 Nm | 315 Nm |
| Torque RPM | 2900 RPM | 2750 RPM |
| Engine Bore Size | 82 mm | 87 mm |
| Engine Stroke Size | 78.8 mm | 91 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 5.9 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1475 kg | 1290 kg |
| Vehicle Length | 5050 mm | 4100 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2890 mm | 2500 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
