2007 BMW Z4 vs. 2007 BMW 525
To start off, both 2007 BMW Z4 and 2007 BMW 525 were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 160 more horse power than 2007 BMW 525. (175 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 462 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 525 (400 Nm @ 2000 RPM) has 85 more torque (in Nm) than 2007 BMW Z4. (315 Nm @ 2750 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2007 BMW 525 | |
| Make | BMW | BMW |
| Model | Z4 | 525 |
| Year Released | 2007 | 2007 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2497 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 335 HP | 175 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 315 Nm | 400 Nm |
| Torque RPM | 2750 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 91 mm | 75.1 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 250 km/hour | 225 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 8.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1752 kg |
| Vehicle Length | 4100 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1500 mm |
| Wheelbase Size | 2500 mm | 2840 mm |
| Fuel Consumption Overall | 9.1 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
