2021 BMW 430i Convertible MPG
EPA-rated · verified snapshot 2026-08-30 · Subcompact Cars
The 2021 BMW 430i Convertible gets 27 MPG combined — 24 city and 33 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic (S8) · Rear-Wheel Drive).
City24 MPG
Highway33 MPG
$2,800Fuel cost / yr (EPA est.)
326 g/miCO₂
PremiumFuel
$-3,0005-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
9 ft³Cargo volume
84 ft³Passenger volume
Where it sits among compact cars (2021)
FAQ
Is 27 MPG good for a compact cars like the 2021 430i Convertible?
The 2021 430i Convertible's 27 MPG combined is below the compact cars average of 27.3 MPG for 2021.
How much does it cost to fuel a 2021 430i Convertible per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,800 for the most efficient trim.
What is the city and highway MPG of the 2021 430i Convertible?
The most efficient trim is rated 24 MPG city and 33 MPG highway.