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2023 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$57,200
Body styleSports Sedan

The verdict

What's good

  • Smooth, muscular six-cylinder pull
  • Sounds great when you open it up
  • All-weather grip with sport feel
  • Practical four-door usability

What's not

  • Needs costly premium fuel
  • Sport seats firm on long trips
  • Repair bills run high out of warranty
  • Looks tame for its performance

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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