2025
BMW M340

Starts at:
$62,200
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New 2025 BMW M340
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Available trims

See the differences side-by-side to compare trims.
  • M340i Sedan
    Starts at
    $60,200
    27 City / 33 Hwy
    MPG
    5
    Seat capacity
    Intercooled Turbo Gas/Electric I-6
    Engine
    Rear Wheel Drive
    Drivetrain
    See all specs
  • M340i xDrive Sedan
    Starts at
    $62,200
    26 City / 33 Hwy
    MPG
    5
    Seat capacity
    Intercooled Turbo Gas/Electric I-6
    Engine
    All Wheel Drive
    Drivetrain
    See all specs

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Expert 2025 BMW M340 review

bmw 3 series 2025 exterior oem 01 jpg
Our expert's take
By Jared Gall
Full article
bmw 3 series 2025 exterior oem 01 jpg

BMW’s stalwart 3 Series sports sedan is receiving a few mid-cycle updates for the 2025 model year. While the chassis has been retuned for what BMW says is greater comfort without sacrificing handling, the bigger changes are inside.

Related: 2024 BMW 3 Series Starts at $45,495, M3 at $76,995

What’s New

Nestled into a redesigned dashboard, the touchscreen — which now runs BMW’s latest Operating System 8.5 software — takes cues from smartphone design and has a customizable home screen. A simpler menu structure allows drivers to access more functions with fewer screen pokes, and expanded voice recognition gives drivers hands-free control of systems including climate control and entertainment. Available augmented-reality navigation overlays arrows on top of roads in a camera feed shown either in the central screen or the available head-up display. The 2025 3 Series also gets new steering wheels, ambient lighting and interior materials.

Powertrain Specs and MPG

The 3 Series’ powertrains are untouched for 2025. The 330i still uses a turbocharged 2.0-liter four-cylinder engine generating 255 horsepower and 295 pounds-feet of torque, and the M340i is powered by a turbo 3.0-liter inline-six making 386 hp and 398 pounds-feet. An eight-speed automatic is the only available transmission, and both engines are offered with rear- or all-wheel drive.

EPA fuel-economy ratings aren’t available for the updated 3 Series, but they’re unlikely to change from last year’s figures. For 2024, the 330i was EPA-rated at 25/34/29 mpg city/highway/combined with rear-wheel drive and 24/33/27 with xDrive all-wheel drive. The M340i returned 23/31/26 mpg with either drive configuration.

More From Cars.com:

Availability and Pricing

Production of the 2025 BMW 3 Series will begin in August of this year, with deliveries to commence shortly thereafter. The 330i starts at $46,675 and the M340i at $60,775 (all prices include $1,175 destination); AWD adds $2,000.

Related Video:

We cannot generate a video preview. See the full review to watch it.

Cars.com’s Editorial department is your source for automotive news and reviews. In line with Cars.com’s long-standing ethics policy, editors and reviewers don’t accept gifts or free trips from automakers. The Editorial department is independent of Cars.com’s advertising, sales and sponsored content departments.

2025 BMW M340 review: Our expert's take
By Jared Gall

BMW’s stalwart 3 Series sports sedan is receiving a few mid-cycle updates for the 2025 model year. While the chassis has been retuned for what BMW says is greater comfort without sacrificing handling, the bigger changes are inside.

Related: 2024 BMW 3 Series Starts at $45,495, M3 at $76,995

What’s New

Nestled into a redesigned dashboard, the touchscreen — which now runs BMW’s latest Operating System 8.5 software — takes cues from smartphone design and has a customizable home screen. A simpler menu structure allows drivers to access more functions with fewer screen pokes, and expanded voice recognition gives drivers hands-free control of systems including climate control and entertainment. Available augmented-reality navigation overlays arrows on top of roads in a camera feed shown either in the central screen or the available head-up display. The 2025 3 Series also gets new steering wheels, ambient lighting and interior materials.

2025 BMW M340 2025 BMW M340 2025 BMW M340 2025 BMW M340 2025 BMW M340 2025 BMW M340

Powertrain Specs and MPG

The 3 Series’ powertrains are untouched for 2025. The 330i still uses a turbocharged 2.0-liter four-cylinder engine generating 255 horsepower and 295 pounds-feet of torque, and the M340i is powered by a turbo 3.0-liter inline-six making 386 hp and 398 pounds-feet. An eight-speed automatic is the only available transmission, and both engines are offered with rear- or all-wheel drive.

EPA fuel-economy ratings aren’t available for the updated 3 Series, but they’re unlikely to change from last year’s figures. For 2024, the 330i was EPA-rated at 25/34/29 mpg city/highway/combined with rear-wheel drive and 24/33/27 with xDrive all-wheel drive. The M340i returned 23/31/26 mpg with either drive configuration.

More From Cars.com:

Availability and Pricing

Production of the 2025 BMW 3 Series will begin in August of this year, with deliveries to commence shortly thereafter. The 330i starts at $46,675 and the M340i at $60,775 (all prices include $1,175 destination); AWD adds $2,000.

Related Video:

Cars.com’s Editorial department is your source for automotive news and reviews. In line with Cars.com’s long-standing ethics policy, editors and reviewers don’t accept gifts or free trips from automakers. The Editorial department is independent of Cars.com’s advertising, sales and sponsored content departments.

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BMW incentives for 43272

  • Automobility discount
    $2,500 BMW US BMW Mobility Program
    Best cash offer on BMW M340 2025 i Sedan
    See details
    Expires 12/31/2025
  • Government
    $500 BMW US BMW Domestic Military Program - Lease
    Military bonus cash on BMW M340 2025 i Sedan
    See details
    Expires 04/30/2025
  • Education
    $1,000 BMW US BMW College Grad Program
    College/Student bonus cash on BMW M340 2025 i xDrive Sedan
    See details
    Expires 01/04/2026

Factory warranties

Basic
4 years / 50,000 miles
Corrosion
12 years
Powertrain
4 years / 50,000 miles
Battery
8 years / 80,000 miles
Maintenance
3 years / 36,000 miles
Roadside Assistance
4 years

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FAQ

What trim levels are available for the 2025 BMW M340?

The 2025 BMW M340 is available in 2 trim levels:

  • M340i (1 style)
  • M340i xDrive (1 style)

What is the MPG of the 2025 BMW M340?

The 2025 BMW M340 offers up to 27 MPG in city driving and 33 MPG on the highway. These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on vehicle options, trim level, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2025 BMW M340?

The 2025 BMW M340 compares to and/or competes against the following vehicles:

BMW M340 history

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