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2021 Bmw M340i

The 2021 Bmw M340i is a compact car, rated at 26 MPG combined by the EPA. NHTSA lists 6 recalls for this model year.

2021 Bmw M340i
© OWS Photography · CC BY 4.0
Combined MPG
26
NHTSA safety
Not rated
Starting price
$64,000
Recalls
6

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Full specifications

Identity

SRC · NHTSA vPIC
MakeBmw
ModelM340i
Model year2021
Vehicle classCompact Car

Engine & drivetrain

SRC · EPA FuelEconomy
Displacement3 L
Cylinders6
TransmissionAutomatic (S8)
DrivetrainRear-Wheel Drive
FuelPremium Gasoline

Fuel economy

SRC · EPA FuelEconomy
City MPG23
Highway MPG32
Combined MPG26
CO₂ tailpipe333 g/mi
EPA annual fuel cost$2950

Available configurations

SRC · EPA FuelEconomy
M340i26 MPG combined
M340i xDrive25 MPG combined

Fuel economy

SRC · EPA FuelEconomy
City23 MPG
Highway32 MPG
Combined26 MPG

Efficiency vs class average

M340i26 MPG
Class average31.6 MPG

About 18% below the class average.

Est. monthly payment
$1,127/mo
Amount financed
$57,600
Total interest
$10,021
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5-year fuel cost
$7,731

$1,546/yr · 12,000 mi/yr · $3.35/gal

Combined MPG26
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Extended warranty & insurance

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Cost to own

Estimate monthly payments and 5-year fuel cost using the tools in the sidebar. Figures use EPA fuel economy and current U.S. energy prices from EIA.

Safety ratings & recalls

SRC · NHTSA vPIC

NHTSA has not published NCAP crash-test ratings for this model year yet.

Recalls (6)

  • SEAT BELTS21V554000 · 2021-07-21

    BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M3 Competition, 530i, 530i xDrive, 540i, 540i xDrive, MINI Hardtop 2 Door (Cooper, CooperS, JCW), X2 sDrive28i, X2 xDrive28i, X2 M35i, Z4 sDrive30i, Z4 M40i, MINI Hardtop 2 Door (Cooper SE), MINI Convertible (Cooper, Cooper S, JCW), MINI Clubman (Cooper S, Cooper S All4, JCW), MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), Rolls Royce Ghost, MINI Countryman (Cooper S E All4), Rolls Royce Phantom, Rolls Royce Cullinan, and Toyota Supra vehicles. The passenger seat belt Automatic Locking Retractor (ALR) may deactivate early, before the webbing fully retracts. As such, these assemblies fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

    Remedy: Dealers will inspect the seat belt retractors (including the seat belts) and, if necessary, replace the retractors, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417; 1-866-825-1525 (MINI); 1-877-877-3735 (Rolls Royce); and 1-888-270-9371 (Toyota).

  • ELECTRICAL SYSTEM:12V/24V/48V BATTERY20V761000 · 2020-12-09

    BMW of North America, LLC (BMW) is recalling certain 2021 M340i xDrive, M440i xDrive Coupe, 530i, 530i xDrive, 540i, 540i xDrive, 740Li, 740Li xDrive, 840i Gran Coupe, 840i xDrive Gran Coupe, X5 sDrive40i, X5 xDrive40i, X6 sDrive40i, X6 xDrive40i, and X7 xDrive40i vehicles. The connection between the 48-Volt battery and the starter-generator may not have been assembled properly, which can cause increased electrical resistance at the connections.

    Remedy: BMW will notify owners, and dealers will inspect the connection between the 48-Volt battery and the starter-generator assembly, replacing it if necessary, free of charge. The recall is expected to begin April 12, 2021. Owners may contact BMW customer service at 1-800-525-7417.

  • BACK OVER PREVENTION: SENSING SYSTEM: CAMERA21V096000 · 2021-02-19

    BMW of North America, LLC (BMW) is recalling certain 2019-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, X4 xDrive30i, X4 M40i, M550i, X4M, X5 sDrive40i, X5 xDrive40i, X5 xDrive50i, X5M, X5 M50i, X7 xDrive40i, X7 xDrive50i, X7 M50i, Alpina XB7, 330i, 330i xDrive, M340i, M340i xDrive, and 8 Series Coupe, Convertible and Grand Coupe, 840i, 840i xDrive, M850i xDrive, M8, 2020-2021 530e, 530e xDrive, 330e, 330e xDrive, 745Le, 745Le xDrive, X5 xDrive45e, X3 xDrive30e, X6 sDrive40i, X6 xDrive40i, X6 xDrive50i, X6 M50i, X6M, 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 740i, 740Li, 740Li xDrive, M760i Drive, M760Li xDrive, 750Li xDrive Alpina, Alpina B7 xDrive, and 2021 4 Series Coupe 430i, 430i xDrive, M440i xDrive vehicles. When shifting into Reverse, a small portion of the rearview image may be obscured, or the screen may not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

    Remedy: BMW will notify owners, and dealers will inspect the rearview camera software and update it if necessary, free of charge. The recall began April 16, 2021. Owners may contact BMW customer service at 1-800-525-7417.

  • SEAT BELTS:FRONT:BUCKLE ASSEMBLY21V298000 · 2021-04-28

    BMW of North America, LLC (BMW) is recalling certain 2021 330i, 330i xDrive, M340i, M3, and 330e xDrive vehicles. The bolt securing the seat belt assembly to the frame was not tightened to specification.

    Remedy: BMW will notify owners, and dealers will inspect the front seat belt buckle assembly connection and, if necessary, replace it, free of charge. Owner notification letters were mailed on June 25, 2021. Owners may contact BMW customer service at 1-800-525-7417.

  • SEATS23V211000 · 2023-03-29

    BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.

    Remedy: Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.

  • SEAT BELTS23V584000 · 2023-08-16

    BMW of North America, LLC (BMW) is recalling certain 2019-2022 330i, 330i xDrive, M340i, 2022 430i Coupe, 2021-2022 430i, M440i Convertible, and 2020-2022 228i xDrive Gran Coupe vehicles. The receiver audio module control unit software may fail to properly generate audible seat belt warnings to the driver to fasten their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

    Remedy: Dealers will update the receiver audio module software, free of charge. Owner notification letters were mailed October 12, 2023. Owners may contact BMW customer service at 1-800-525-7417.

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Frequently asked questions

What is the MPG of the 2021 Bmw M340i?

The 2021 Bmw M340i is EPA-rated at 26 MPG combined (23 city / 32 highway).

Is the 2021 Bmw M340i reliable?

NHTSA lists 6 recalls for the 2021 Bmw M340i. Recalls are repaired free of charge by the manufacturer — verify any open recalls by VIN before purchase.

How much does it cost to fuel the 2021 Bmw M340i?

At 12,000 miles per year, the 2021 Bmw M340i costs roughly $1,546 per year to fuel, or about $7,731 over 5 years at current U.S. energy prices.

What type of vehicle is the 2021 Bmw M340i?

The 2021 Bmw M340i is classified as a compact car. Common rivals in this class are worth comparing on price, MPG, and safety.

Sources: NHTSA vPIC · EPA FuelEconomy · NHTSA vPIC