2018 BMW M6 Convertible
Fuel Economy Overview
The 2018 BMW M6 Convertible achieves an EPA-estimated 16 MPG in combined city and highway driving, with 14 MPG in the city and 20 MPG on the highway. Powered by a 4.4L 8-cylinder turbocharged engine paired with a automatic (am-s7), this subcompact cars features Rear-Wheel Drive drive.
In terms of environmental impact, the 2018 M6 Convertible produces approximately 553 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 M6 Convertible has higher-than-average emissions in this regard.
The estimated annual fuel cost for this vehicle is $4,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $10,750 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
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
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.
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
Recall Intelligence
BMW of North America, LLC (BMW) is recalling certain 2014-2019 M6 Gran Coupe vehicles. The third brake light may become loose, possibly allowing the light to detach from the vehicle.
Consequence & Remedy
Consequence: If the third brake light detaches from the vehicle, it would no longer provide the required lighting to following traffic, or it may become a road hazard, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will inspect the third brake light and properly secure it with new fasteners. If the third brake light detached from the vehicle and is damaged, it will be replaced. All repairs will be performed free of charge. The recall began April 17, 2020. 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 M6 Convertible configurations.
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2018 BMW M6 Convertible
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)