← BMW Z4 · 2018-Present · G29

BMW Z4 G29

Headline trim: M40i — 335 bhp, 0-62 in 4.4s.

press photo
Verdict
A
BHP
335 bhp
0–60
4.4 s
Top speed
155 mph
MPG
28 mpg (US)
Used
$41,000-$70,000

Strengths

  • Toyota Supra cousin
  • B58 inline-six
  • Soft-top — lighter than E89

Weaknesses

  • Run-flat tyres
  • Boot small
  • Premium pricing

Notable tech

  • G29 platform (Toyota Supra A90 sibling)
  • Soft-top only
  • B48 / B58 petrol
  • 8AT only — no manual
  • M40i top trim

Common issues

  • B58 oil leaks
  • iDrive 7 software
  • Soft-top motor

Engine derivatives

US-spec trims and engines offered across G29's life. Click any two rows to compare them side-by-side.

Pick two engines to compare
sDrive20i 2.0
BHP197
Torque320 Nm
0–606.6 s
Top149 mph
MPG (US)35 mpg
DriveRWD
Gearbox8AT
sDrive30i 2.0
BHP258
Torque400 Nm
0–605.4 s
Top155 mph
MPG (US)33 mpg
DriveRWD
Gearbox8AT
M40i 3.0 inline-6
BHP335
Torque500 Nm
0–604.4 s
Top155 mph
MPG (US)28 mpg
DriveRWD
Gearbox6MT (post-2024) / 8AT