Starts at $72,250
Rank
2025 4 Series Selector
FAST FACTS
"It's all about the powertrain with the M440i Convertible. Making nearly 400 horsepower and yet capable of well over 30 mpg on the highway, the B58 turbocharged inline-6 is an engineering marvel, and it's paired with probably the best automatic transmission in the business. Sounds pretty good with the top down, too, but does it look good? That's a separate matter."—Ranked #1 out of 2 Compact Performance Convertibles
MotorDonkey's proprietary vehicle data identifies every significant version of each model so that you can compare and decide. Ordered by price from low to high, here are the versions of the 2025 BMW M440i Convertible that you need to be aware of, along with our expert analysis and recommendations.
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The B58 turbocharged inline-6 sounds great anyway, so if you pair it with a top that drops, all the better. Sure, it's expensive, but to us there's no contest between this machine and the four-cylinder 430i. You gotta get the six, especially for 2025, which brings a 3-mpg boost in fuel economy and a bunch more torque besides.
We have to wonder what the use case is for a 386-horsepower soft-top convertible with all-wheel drive, but hey, maybe you just want to get to 60 mph four-tenths quicker than you would with rear-wheel drive. We can respect that.
Publisher and Donkey-in-Chief
Josh has been reviewing cars professionally since joining Edmunds.com fresh out of grad school in 2008, personally driving most new cars on the market every year since. He also served as the project manager for Edmunds' expert vehicle rankings from their inception in 2018, building the product out from the back end to the front end. Josh is a card-carrying member of the Motor Press Guild and a lifelong car nut who has tested, compared and critiqued a ridiculous number of cars in his career.
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