Real MPG: BMW X3 (2018 - 2024) xDrive 30d MHEV Automatic
                
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                            Official MPG(NEDC)
                                    45.6
                                
                                Official MPG(WLTP)
37.6–46.0                            
                            Real MPG
                        
                                41.2
                            
                            Real MPGAverage
                                    90%
                                
                                of Official MPG(WLTP)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| M40d | 44.1 mpg | - | 38.1 mpg | 86% | |
| M40d MHEV | - | 40.9–43.5 mpg | 44.8 mpg | 106%* | |
| M40i | 31.0–44.1 mpg | 25.0–31.4 mpg | 24.1 mpg | 86%* | |
| M40i MHEV | - | 31.0–31.4 mpg | 22.1 mpg | 71%* | |
| X3 M Competition | - | 24.8 mpg | 23.9 mpg | 96%* | |
| X4 M Competition | 24.8 mpg | 24.6 mpg | 17.7 mpg | 72%* | |
| xDrive 20d Automatic | 51.4–53.3 mpg | - | 42.2 mpg | 81% | |
| xDrive 20d MHEV Automatic | - | 47.1–47.9 mpg | 48.9 mpg | 103%* | |
| xDrive 20i Automatic | 38.7–39.8 mpg | 36.2 mpg | 33.7 mpg | 93%* | |
| xDrive 20i MHEV Automatic | - | 37.2 mpg | - | -* | |
| xDrive 30d | 48.7 mpg | - | 41.8 mpg | 86% | |
| xDrive 30d Automatic | 47.1–48.7 mpg | - | 38.9 mpg | 81% | |
| xDrive 30d MHEV | - | 45.6–46.3 mpg | - | -* | |
| xDrive 30e | - | 141.2–148.7 mpg | - | -* | 
Read the Honest John review...
BMW X3 (2018 - 2024)
                Class-leading interior with a real quality feel, plenty of space in the cabin and boot, decent handling is complemented by a good range of engines. 
            
        Rivals
| BMW X3 (2018 - 2024) | 37.2 | avg mpg | 
| Volvo XC60 (2017 on) | 37.0 | avg mpg | 
| Range Rover Velar (2017 on) | 34.6 | avg mpg | 
| Citroen C5 Aircross (2019 - 2025) | 42.6 | avg mpg | 
