2009 BMW 523 vs. 2003 BMW X Activity
To start off, 2009 BMW 523 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 BMW X Activity. In addition, the cost of maintenance, including insurance, on 2003 BMW X Activity would be higher. At 2,992 cc (6 cylinders), 2003 BMW X Activity is equipped with a bigger engine. In terms of performance, 2003 BMW X Activity (228 HP @ 5900 RPM) has 53 more horse power than 2009 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2003 BMW X Activity should accelerate faster than 2009 BMW 523.
Because 2003 BMW X Activity is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. In wet, icy, snow, or gravel driving conditions, 2003 BMW X Activity 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, 2003 BMW X Activity (300 Nm @ 3500 RPM) has 70 more torque (in Nm) than 2009 BMW 523. (230 Nm @ 3500 RPM). This means 2003 BMW X Activity will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 523.
Compare all specifications:
| 2009 BMW 523 | 2003 BMW X Activity | |
| Make | BMW | BMW |
| Model | 523 | X Activity |
| Year Released | 2009 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2992 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 228 HP |
| Engine RPM | 5800 RPM | 5900 RPM |
| Torque | 230 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 89.6 mm |
| Engine Compression Ratio | 11.0:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4850 mm | 4560 mm |
| Wheelbase Size | 2890 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 63 L |
