Real MPG: Mazda CX-3 (2015 - 2019) 2.0 150 4WD
                
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                                44.1
                            
                            Official MPG(NEDC)
35.0–42.0                            
                            Real MPG
                        
                                38.4
                            
                            Real MPGAverage
                                    87%
                                
                                of Official MPG(NEDC)
More engines available for this model:
| Engine | Official MPG (NEDC) | Official MPG (WLTP) | Real MPG Avg. | Real MPG % | |
| 1.5 D | 70.6 mpg | - | 57.3 mpg | 81% | |
| 1.5 D 4WD | 60.1 mpg | - | 48.0 mpg | 80% | |
| 1.5 D Automatic 4WD | 54.3 mpg | - | 45.7 mpg | 84% | |
| 1.8 D 115 | 64.2 mpg | 54.3 mpg | 54.7 mpg | 101%* | |
| 2.0 120 | 47.9 mpg | - | 44.2 mpg | 92% | |
| 2.0 120 Automatic | 48.7 mpg | - | 40.8 mpg | 84% | |
| 2.0 121 | 45.6 mpg | 42.8 mpg | 48.5 mpg | 113%* | |
| 2.0 121 Automatic | 45.6–46.3 mpg | 39.2–42.8 mpg | 39.4 mpg | 96%* | |
| 2.0 150 | 40.4 mpg | 38.2 mpg | - | -* | |
| 2.0 150 Automatic | 42.2 mpg | 34.9 mpg | - | -* | 
Read the Honest John review...
Mazda CX-3 (2015 - 2019)
                Enjoyable and good to drive. Good quality interior finish. 2.0-litre petrol is smooth and economical.
            
        Rivals
| Mazda CX-3 (2015 - 2019) | 46.3 | avg mpg | 
| BMW X1 (2015 - 2022) | 42.6 | avg mpg | 
| Kia Soul (2014 - 2019) | 42.4 | avg mpg | 
| Fiat 500X (2015 - 2024) | 38.7 | avg mpg | 
