2008 BMW 523 vs. 2006 BMW X3
To start off, 2008 BMW 523 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW X3. In addition, the cost of maintenance, including insurance, on 2006 BMW X3 would be higher. At 2,993 cc (6 cylinders), 2006 BMW X3 is equipped with a bigger engine. In terms of performance, 2006 BMW X3 (201 HP @ 4000 RPM) has 26 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2006 BMW X3 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X3 weights approximately 435 kg more than 2008 BMW 523. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW 523. In wet, icy, snow, or gravel driving conditions, 2006 BMW X3 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, 2006 BMW X3 (410 Nm @ 1500 RPM) has 180 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2006 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523.
Compare all specifications:
| 2008 BMW 523 | 2006 BMW X3 | |
| Make | BMW | BMW |
| Model | 523 | X3 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 201 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 230 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 205 km/hour |
| Acceleration 0-100mph | 9 seconds | 7.9 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1925 kg |
| Vehicle Length | 4850 mm | 4570 mm |
| Vehicle Width | 1850 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1680 mm |
| Wheelbase Size | 2890 mm | 2800 mm |
| Fuel Consumption Overall | 11.1 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 70 L | 67 L |
