2021 BMW M340i

Compact Sedan Premium
BMW M340i 2021
26MPG Combined
1 Trim
← 2020 2021
Updated February 27, 2026

The 2021 BMW M340i is a Compact Sedan that delivers 26 combined MPG. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2021 BMW M340i Specifications

SpecValue
Combined MPG26 combined MPG
City MPG23
Highway MPG32
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims1

Annual Fuel Cost

Based on EPA estimates, the 2021 BMW M340i costs approximately $2,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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