Spec Sizes

BMW M4 vs BMW M6 Dimensions & Size Comparison

Comparing 2023 vs 2018 catalog dimensions. BMW M4 · BMW M6

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length188.7 in – 189.1 in
  • Height54.6 in – 54.9 in
  • Wheelbase112.5 in
  • Curb weight3,640 lb – 4,306 lb
Front / width
  • Width74.3 in – 75.6 in
  • BMW M6 width74.8 in

Which is bigger?

  • Length: BMW M4 is 4.1 in shorter (188.9 in vs 193.0 in)
  • Width: BMW M6 is 0.1 in narrower (74.9 in vs 74.8 in)
  • Height: BMW M4 is 0.9 in taller (54.8 in vs 53.9 in)
  • Wheelbase: BMW M4 has a 0.3 in longer wheelbase (112.5 in vs 112.2 in)
  • Curb weight: BMW M6 is 542 lb heavier (3,973 lb vs 4,515 lb)

Biggest size differences

  1. Curb weight: BMW M6 is 542 lb heavier (3,973 lb vs 4,515 lb)
  2. Length: BMW M4 is 4.1 in shorter (188.9 in vs 193.0 in)
  3. Height: BMW M4 is 0.9 in taller (54.8 in vs 53.9 in)
  4. Wheelbase: BMW M4 has a 0.3 in longer wheelbase (112.5 in vs 112.2 in)
  5. Width: BMW M6 is 0.1 in narrower (74.9 in vs 74.8 in)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 4.1 in Check garage fit for BMW M4 · garage fit for BMW M6
  • Narrower for tight parkingBMW M6 — BMW M6 is narrower by 0.1 in
  • Smaller exterior footprintBMW M4 — Based on length × width (BMW M4)

Dimension comparison

SpecBMW M4BMW M6Difference
Length188.9 in193.0 in4.1 in
Width74.9 in74.8 in0.1 in
Height54.8 in53.9 in0.9 in
Wheelbase112.5 in112.2 in0.3 in
Ground clearance—4.2 in—
Curb weight3,973 lb4,515 lb542 lb

Values use trim midpoints when a model year lists a range (e.g. length 188.7 in – 189.1 in).

Compare by year

Overlapping model years with dimension data.

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