2008 BMW 523 vs. 2011 BMW X6
To start off, 2011 BMW X6 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 BMW 523. In addition, the cost of maintenance, including insurance, on 2008 BMW 523 would be higher. At 2,993 cc (6 cylinders), 2011 BMW X6 is equipped with a bigger engine. In terms of performance, 2011 BMW X6 (304 HP @ 440 RPM) has 129 more horse power than 2008 BMW 523. (175 HP @ 5800 RPM) In normal driving conditions, 2011 BMW X6 should accelerate faster than 2008 BMW 523. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X6 weights approximately 695 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 2011 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 2008 BMW 523. In wet, icy, snow, or gravel driving conditions, 2011 BMW X6 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, 2011 BMW X6 (600 Nm @ 1500 RPM) has 370 more torque (in Nm) than 2008 BMW 523. (230 Nm @ 3500 RPM). This means 2011 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 523. 2011 BMW X6 has automatic transmission and 2008 BMW 523 has manual transmission. 2008 BMW 523 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW 523 | 2011 BMW X6 | |
| Make | BMW | BMW |
| Model | 523 | X6 |
| Year Released | 2008 | 2011 |
| 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 | 304 HP |
| Engine RPM | 5800 RPM | 440 RPM |
| Torque | 230 Nm | 600 Nm |
| Torque RPM | 3500 RPM | 1500 RPM |
| Engine Bore Size | 78.8 mm | 90 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 230 km/hour | 237 km/hour |
| Acceleration 0-100mph | 9 seconds | 6.5 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 2185 kg |
| Vehicle Length | 4850 mm | 4877 mm |
| Vehicle Width | 1850 mm | 1983 mm |
| Vehicle Height | 1470 mm | 1690 mm |
| Wheelbase Size | 2890 mm | 2933 mm |
| Fuel Consumption Overall | 11.1 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 85 L |
