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MPGCalculator.net provides useful fuel efficiency tools and content to help you make informed decisions about vehicles.

Last Updated: 5/23/2025

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2025 BMW M440i Convertible

MPG & Fuel Economy Data

Quick Summary

The 2025 BMW M440i Convertible has an estimated 29.0 MPG combined. This premium gasoline-powered vehicle offers 27.0 MPG in the city and 33.0 MPG on the highway.  Check out its full EPA-estimated fuel economy data below.

Premium Gasoline Fuel Economy

Combined29.0 MPG

City27.0 MPG

Highway33.0 MPG

Environmental Impact

CO₂ Emissions301 g/mi

GHG Score6/10

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Environmental Performance

With a Greenhouse Gas Score of 6/10, the 2025 BMW M440i Convertible shows average environmental performance in its class. This score suggests typical greenhouse gas emissions for vehicles in this category.

The vehicle produces approximately 301 grams of CO₂ per mile under typical driving conditions. This represents average carbon emissions for its vehicle type.

Technical Specifications

This subcompact cars features a 3.0L 4-cylinder engine, paired with a automatic (s8) transmission and rear-wheel drive drivetrain. It includes start-stop technology to improve fuel efficiency in city driving conditions. Plus it has a turbocharged engine for improved power and efficiency.

Maximizing Fuel Economy

To achieve the best fuel economy in your 2025 BMW M440i Convertible, consider these tips:

  • Maintain steady speeds and avoid rapid acceleration
  • Keep tires properly inflated to manufacturer specifications
  • Remove excess weight and roof cargo when not needed
  • Follow recommended maintenance schedules
  • Utilize the vehicle's start-stop technology in city driving

BMW M440i Convertible automatic (s8) Historical Fuel Efficiency

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How Many Miles Do You Drive?

miles/year
monthly:1,250miles/month
weekly:288miles/week
daily:41miles/day

This Fuel Savings Calculator tool is provided for informational and educational purposes only. The MPG data used is sourced from the U.S. Environmental Protection Agency (EPA), an official government resource, and while efforts are made to ensure accuracy, discrepancies or updates may occur. Calculations are based on standard assumptions and estimates, which may not reflect individual circumstances or real-world conditions. Users are responsible for verifying results with their own data and should consult additional resources or/and professionals for critical decisions. This tool is provided "as is" without warranties of any kind, and the developers disclaim any liability for decisions or actions taken based on its output. The tool may be updated or modified without notice, affecting its functionality or results. By using this tool, you acknowledge and agree to these terms.

Vehicles With Similar Fuel Economy

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2019 Audi A3 Cabriolet

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2025 BMW M440i xDrive Coupe

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2010 Chevrolet Cobalt Coupe

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These vehicles are in the same class (Subcompact Cars) and offer comparable fuel economy ratings.