44/100
2023Subcompact CarsPremium

2023 BMW M440i xDrive Convertible

EPA ID: 45484
22
City MPG
25
Combined MPG
25MPG· Average
31
Highway MPG

Fuel Economy Overview

The 2023 BMW M440i xDrive Convertible achieves an EPA-estimated 25 MPG in combined city and highway driving, with 22 MPG in the city and 31 MPG on the highway. Powered by a 3L 6-cylinder turbocharged engine paired with a automatic (s8), this subcompact cars features All-Wheel Drive drive.

In terms of environmental impact, the 2023 M440i xDrive Convertible produces approximately 348 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this M440i xDrive Convertible performs better than the national average in this regard.

The estimated annual fuel cost for this vehicle is $2,750, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $3,000 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassSubcompact Cars
Fuel TypePremium
Engine3L 6-cyl
AspirationTurbocharged
TransmissionAutomatic (S8)
Drive TypeAll-Wheel Drive

Green Scorecard

CO2 Emissions348 g/mi
Start-Stop SystemEquipped
GHG Score5/10
Smog RatingN/A
Est. Annual Cost$2,750
5-Year Cost DeltaSave $3,000

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG
25.3
Impact vs EPA
$-25
/ year
💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost
$625/mo
Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.
15,000 mi
Value Depreciation
Est. value lost over 60 months
$17,500
46.6%
Fuel & Electricity
Based on National Average rates ($3.50/gal)
$10,500
28.0%
Estimated Insurance
Based on vehicle class risk profile
$9,125
24.3%
State Registration Fees
Based on National Average DMV base rates
$400
1.1%
Total 5-Year Cost$37,525

Recall Intelligence

Campaign #23V118000·2023-04-10
critical
Component: ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE

BMW of North America, LLC (BMW) is recalling certain 2023 330i, 330i xDrive, M340i, M340i xDrive, M3, 330e, 330e xDrive, 430i Convertible, 430i xDrive, M440i, 2022-2023 430i, 430i xDrive, M440i xDrive, i4 eDrive40, and i4 M50 vehicles. During a service visit, a replacement electronic control unit (ECU) may have been installed with incorrect programming, which can cause the automatic door locking (ADL) function to not lock the doors as intended.

Consequence & Remedy

Consequence: Doors that do not lock as intended while the vehicle is in motion may open during a crash, increasing the risk of injury.

Remedy: Dealers will update the ECU software, free of charge. Owner notification letters were mailed April 10, 2023. Owners may contact BMW customer service at 1-800-525-7417.

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Looking for comprehensive historical data?

NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all BMW M440i xDrive Convertible configurations.

View Model History

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Fuel Cost Analysis

Annual Fuel Cost$2,750
vs. Avg Vehicle (5 yrs)Save $3,000

Based on 15,000 miles/year and current fuel prices.

Efficiency Breakdown

City22 MPG
Highway31 MPG
Combined25 MPG

Estimated Lifetime Carbon Footprint

(Based on 200,000 miles driven)

69.6 metric tons CO₂
Equivalent To:
🌳 86 tree seedlings grown for 10 yrs
✈️ 5.8 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.