2007 BMW 525 vs. 2009 BMW 135
To start off, 2009 BMW 135 is newer by 2 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 2,979 cc (6 cylinders), 2009 BMW 135 is equipped with a bigger engine. In terms of performance, 2009 BMW 135 (302 HP @ 5800 RPM) has 127 more horse power than 2007 BMW 525. (175 HP @ 4000 RPM) In normal driving conditions, 2009 BMW 135 should accelerate faster than 2007 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 227 kg more than 2009 BMW 135.
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, both vehicles can yield 400 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2007 BMW 525 | 2009 BMW 135 | |
| Make | BMW | BMW |
| Model | 525 | 135 |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Convertible |
| 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 | 175 HP | 302 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 400 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 1300 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75.1 mm | 89.6 mm |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 5.6 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1752 kg | 1525 kg |
| Vehicle Length | 4850 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1420 mm |
| Vehicle Height | 1500 mm | 1760 mm |
| Wheelbase Size | 2840 mm | 2670 mm |
| Fuel Consumption Overall | 7.1 L/100km | 10.5 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
