2006 BMW 525 vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 7 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), 2013 BMW 3 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 3 Series (238 HP @ 5800 RPM) has 23 more horse power than 2006 BMW 525. (215 HP @ 6500 RPM) In normal driving conditions, 2013 BMW 3 Series should accelerate faster than 2006 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 3 Series weights approximately 65 kg more than 2006 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 525 is four wheel drive (4WD), it will have significant more traction and grip than 2013 BMW 3 Series. In wet, icy, snow, or gravel driving conditions, 2006 BMW 525 will offer significantly more control. 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, 2013 BMW 3 Series (407 Nm @ 5000 RPM) has 157 more torque (in Nm) than 2006 BMW 525. (250 Nm @ 2750 RPM). This means 2013 BMW 3 Series will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 525. 2013 BMW 3 Series has automatic transmission and 2006 BMW 525 has manual transmission. 2006 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 3 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW 525 | 2013 BMW 3 Series | |
| Make | BMW | BMW |
| Model | 525 | 3 Series |
| Year Released | 2006 | 2013 |
| Body Type | Sedan | Sedan |
| 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 | 215 HP | 238 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 407 Nm |
| Torque RPM | 2750 RPM | 5000 RPM |
| Engine Bore Size | 78.8 mm | 84 mm |
| Engine Stroke Size | 82 mm | 89 mm |
| Engine Compression Ratio | 11.0:1 | 10.2 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1565 kg | 1630 kg |
| Vehicle Length | 4850 mm | 4636 mm |
| Vehicle Width | 1850 mm | 2031 mm |
| Vehicle Height | 1470 mm | 1429 mm |
| Wheelbase Size | 2890 mm | 2810 mm |
| Fuel Consumption Highway | 7.4 L/100km | 5.9 L/100km |
| Fuel Consumption City | 13.9 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
