REAL MPG:
BMW X3 2010
30–46
Real MPG
39.2
Average
Low CO2 of 2.0 diesel thanks to start-stop system. Bigger and much better than previous X3. Good quality cabin. Comfortable ride. Six cylinder engine option from mid 2011.
Stop start does not work below three degrees centigrade. Originally best in class meant a long waiting list.
Select engine for more Real MPG information:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| xDrive 18d | 55.4 mpg | 39.7 mpg | 72% |
|
| xDrive 18d Automatic | 52.3 mpg | - | - | |
| xDrive 20d | 50.4 mpg | 38.9 mpg | 77% |
|
| xDrive 20d Automatic | 42.2–50.4 mpg | 40.8 mpg | 97% |
|
| xDrive 30d Automatic | 36.7–47.1 mpg | 34.9 mpg | 95% |
|
| xDrive 35d | 46.3 mpg | 34.1 mpg | 74% |
|
Rivals
| BMW X3 2010 | 39.2 | avg mpg |
| Audi Q3 2011 | 45.4 | avg mpg |
| Volvo XC60 2008 | 36.0 | avg mpg |
| Audi Q5 2008 | 33.3 | avg mpg |
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Read the Honest John review...
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BMW X3 2010
Low CO2 of 2.0 diesel thanks to start-stop system. Bigger and much better than previous X3. Good quality cabin. Comfortable ride. Six cylinder engine option from mid 2011.



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