Spec Sizes

BMW M4 vs BMW M3 Dimensions & Size Comparison

Comparing 2020 vs 2023 catalog dimensions. BMW M4 · BMW M3

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

Side view
  • Length184.5 in
  • Height54.4 in – 54.8 in
  • Wheelbase110.7 in
  • Curb weight3,620 lb – 4,110 lb
Front / width
  • Width73.6 in
  • BMW M3 width74.3 in

Which is bigger?

  • Length: BMW M4 is 4.6 in shorter (184.5 in vs 189.1 in)
  • Width: BMW M4 is 0.7 in narrower (73.6 in vs 74.3 in)
  • Height: BMW M3 is 1.9 in taller (54.6 in vs 56.5 in)
  • Wheelbase: BMW M3 has a 1.8 in longer wheelbase (110.7 in vs 112.5 in)
  • Curb weight: BMW M3 is 50 lb heavier (3,865 lb vs 3,915 lb)

Biggest size differences

  1. Height: BMW M3 is 1.9 in taller (54.6 in vs 56.5 in)
  2. Length: BMW M4 is 4.6 in shorter (184.5 in vs 189.1 in)
  3. Wheelbase: BMW M3 has a 1.8 in longer wheelbase (110.7 in vs 112.5 in)
  4. Curb weight: BMW M3 is 50 lb heavier (3,865 lb vs 3,915 lb)
  5. Width: BMW M4 is 0.7 in narrower (73.6 in vs 74.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 4.6 in Check garage fit for BMW M4 · garage fit for BMW M3
  • Narrower for tight parkingBMW M4 — BMW M4 is narrower by 0.7 in
  • Smaller exterior footprintBMW M4 — Based on length × width (BMW M4)

Dimension comparison

SpecBMW M4BMW M3Difference
Length184.5 in189.1 in4.6 in
Width73.6 in74.3 in0.7 in
Height54.6 in56.5 in1.9 in
Wheelbase110.7 in112.5 in1.8 in
Curb weight3,865 lb3,915 lb50 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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