2007 BMW 525 vs. 2011 BMW Z4
To start off, 2011 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 BMW 525. In addition, the cost of maintenance, including insurance, on 2007 BMW 525 would be higher. At 3,000 cc (6 cylinders), 2011 BMW Z4 is equipped with a bigger engine. In terms of performance, 2011 BMW Z4 (335 HP @ 5900 RPM) has 120 more horse power than 2007 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2011 BMW Z4 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW Z4 weights approximately 110 kg more than 2007 BMW 525. 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, 2011 BMW Z4 (450 Nm @ 1500 RPM) has 200 more torque (in Nm) than 2007 BMW 525. (250 Nm @ 2900 RPM). This means 2011 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 525. 2007 BMW 525 has automatic transmission and 2011 BMW Z4 has manual transmission. 2011 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 525 | 2011 BMW Z4 | |
| Make | BMW | BMW |
| Model | 525 | Z4 |
| Year Released | 2007 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3000 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 | 5900 RPM |
| Torque | 250 Nm | 450 Nm |
| Torque RPM | 2900 RPM | 1500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1500 kg | 1610 kg |
| Vehicle Length | 4850 mm | 4242 mm |
| Vehicle Width | 1470 mm | 1791 mm |
| Vehicle Height | 1850 mm | 1285 mm |
| Wheelbase Size | 2890 mm | 2497 mm |
| Fuel Tank Capacity | 70 L | 55 L |
