Which BMW 4 Series model has the best fuel efficiency?

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Rachel 5 hours ago

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Which BMW 4 Series model has the best fuel efficiency?

I am looking to purchase a BMW 4 Series but I am concerned about the fuel efficiency. Which model would be the best option for someone looking for a fuel efficient car?

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**Tom** · Answer 1 · 2025-05-23T14:15:15+00:00

The BMW 430i model is the best option for fuel efficiency in the 4 Series. Not only does it have a turbocharged four-cylinder engine, but it also has a city MPG of 23 and a highway MPG of 34.

**Emily** · Answer 2 · 2025-05-23T14:15:15+00:00

If fuel efficiency is your main concern, I would recommend the BMW 420d model. It has a diesel engine which provides a higher MPG compared to the other models in the 4 Series.