BMW M3 vs BMW M4 Dimensions & Size Comparison

Comparing 2015 vs 2023 catalog dimensions. BMW M3 · BMW M4

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

Side view
  • Length184.5 in
  • Height56.1 in
  • Wheelbase110.7 in
  • Ground clearance4.7 in
  • Curb weight3,540 lb
Front / width
  • Width73.9 in
  • BMW M4 width74.3 in – 75.6 in

Which is bigger?

  • Length: BMW M3 is 4.4 in shorter (184.5 in vs 188.9 in)
  • Width: BMW M3 is 1.0 in narrower (73.9 in vs 74.9 in)
  • Height: BMW M3 is 1.4 in taller (56.1 in vs 54.8 in)
  • Wheelbase: BMW M4 has a 1.8 in longer wheelbase (110.7 in vs 112.5 in)
  • Curb weight: BMW M4 is 433 lb heavier (3,540 lb vs 3,973 lb)

Biggest size differences

  1. Curb weight: BMW M4 is 433 lb heavier (3,540 lb vs 3,973 lb)
  2. Height: BMW M3 is 1.4 in taller (56.1 in vs 54.8 in)
  3. Length: BMW M3 is 4.4 in shorter (184.5 in vs 188.9 in)
  4. Wheelbase: BMW M4 has a 1.8 in longer wheelbase (110.7 in vs 112.5 in)
  5. Width: BMW M3 is 1.0 in narrower (73.9 in vs 74.9 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 4.4 in Check garage fit for BMW M3 · garage fit for BMW M4
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 1.0 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecBMW M3BMW M4Difference
Length184.5 in188.9 in4.4 in
Width73.9 in74.9 in1.0 in
Height56.1 in54.8 in1.4 in
Wheelbase110.7 in112.5 in1.8 in
Ground clearance4.7 in——
Curb weight3,540 lb3,973 lb433 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.