2006 BMW 525 vs. 2012 BMW 135
To start off, 2012 BMW 135 is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 525. In addition, the cost of maintenance, including insurance, on 2006 BMW 525 would be higher. At 2,979 cc (6 cylinders), 2012 BMW 135 is equipped with a bigger engine. In terms of performance, 2012 BMW 135 (300 HP @ 5800 RPM) has 125 more horse power than 2006 BMW 525. (175 HP @ 4000 RPM) In normal driving conditions, 2012 BMW 135 should accelerate faster than 2006 BMW 525.
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, 2012 BMW 135 (406 Nm @ 1300 RPM) has 6 more torque (in Nm) than 2006 BMW 525. (400 Nm @ 2000 RPM). This means 2012 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525.
Compare all specifications:
| 2006 BMW 525 | 2012 BMW 135 | |
| Make | BMW | BMW |
| Model | 525 | 135 |
| Year Released | 2006 | 2012 |
| Body Type | Sedan | 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 | 300 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 400 Nm | 406 Nm |
| Torque RPM | 2000 RPM | 1300 RPM |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4850 mm | 4374 mm |
| Vehicle Width | 1850 mm | 1748 mm |
| Vehicle Height | 1500 mm | 1412 mm |
| Wheelbase Size | 2730 mm | 2659 mm |
| Fuel Tank Capacity | 70 L | 53 L |
