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2024 BMW M340i xDrive

Sports Sedan · 3.0L TwinPower Turbo I6 · AWD

89/100

AutoVault's overall score, weighted for what a sports sedan is actually for — performance, technology, comfort, reliability, safety and value.

Specifications

Engine3.0L TwinPower Turbo I6
Horsepower382 hp
Torque369 lb-ft
0–60 mph4.4 sec
Top speed155 mph
DrivetrainAWD
Seats5
Combined MPG25 mpg (22 city / 30 hwy)
Range427 miles
MSRP$58,100
Body styleSports Sedan

The verdict

What's good

  • Silky straight-six with strong midrange
  • Satisfying engine note under load
  • Confident grip in rain and snow
  • Daily-usable space and comfort

What's not

  • Premium gas adds to running costs
  • Stiffer ride than the base 330i
  • Pricey to service after warranty
  • Subtle styling hides the muscle

The engine

B58

3.0L Turbo I6

The B58 is BMW's celebrated single-turbo straight-six — buttery smooth and effortlessly torquey, delivering power in one seamless, silken surge to redline.

Heir to a BMW inline-six bloodline running back to 1933, the B58 belongs to the modular B-series family and is so over-built it's become a tuning and engine-swap legend.

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