2003 BMW 525 vs. 2009 BMW 135
To start off, 2009 BMW 135 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW 525. In addition, the cost of maintenance, including insurance, on 2003 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 @ 6000 RPM) has 118 more horse power than 2003 BMW 525. (184 HP @ 6000 RPM) In normal driving conditions, 2009 BMW 135 should accelerate faster than 2003 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW 525 weights approximately 40 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, 2009 BMW 135 (401 Nm @ 1300 RPM) has 156 more torque (in Nm) than 2003 BMW 525. (245 Nm @ 3500 RPM). This means 2009 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW 525. 2009 BMW 135 has automatic transmission and 2003 BMW 525 has manual transmission. 2003 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 BMW 135 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW 525 | 2009 BMW 135 | |
| Make | BMW | BMW |
| Model | 525 | 135 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 184 HP | 302 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 401 Nm |
| Torque RPM | 3500 RPM | 1300 RPM |
| Top Speed | 238 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1565 kg | 1525 kg |
| Vehicle Length | 4850 mm | 4370 mm |
| Vehicle Width | 1850 mm | 1410 mm |
| Vehicle Height | 1470 mm | 1760 mm |
| Wheelbase Size | 2890 mm | 2670 mm |
| Fuel Consumption Overall | 9.4 L/100km | 9.6 L/100km |
| Fuel Tank Capacity | 70 L | 53 L |
