REAL MPG:
BMW X3 (2018 on) M40d
Submit your Real MPG
44.1
Official MPG
29.0–47.0
Real MPG
38.3
Real MPG Average
87%
of official MPG
More engines available for this model:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| M40i | 31.0–44.1 mpg | 24.4 mpg | 65% |  |
| X4 M Competition | 24.8 mpg | 17.5 mpg | 70% | |
| xDrive 20d Automatic | 51.4–53.3 mpg | 41.9 mpg | 80% | |
| xDrive 20i Automatic | 38.7–39.8 mpg | 33.5 mpg | 85% | |
| xDrive 30d | 48.7 mpg | 41.7 mpg | 86% | |
| xDrive 30d Automatic | 47.1–48.7 mpg | 39.3 mpg | 82% | |
Our Fuel Cost Calculator shows you which will be the best choice for you.
Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Read the Honest John review...
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BMW X3 (2018 on)
Longer wheelbase X3 for 2018. Features a new 2.0 litre petrol engine and a 360PS turbocharged straight six. Massively improved over previous X3.
Rivals
| BMW X3 (2018 on) | 37.1 | avg mpg |
| Audi Q3 (2018 on) | 33.1 | avg mpg |
| Hyundai Ioniq 5 | 0.0 | avg mpg |
| Kia Sorento (2020 on) | 0.0 | avg mpg |
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