BMW M4 vs BMW i4 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. BMW M4 · BMW i4

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 i4 width72.9 in

Which is bigger?

  • Length: BMW i4 is 0.4 in shorter (188.9 in vs 188.5 in)
  • Width: BMW i4 is 2.0 in narrower (74.9 in vs 72.9 in)
  • Height: BMW i4 is 2.3 in taller (54.8 in vs 57.0 in)
  • Wheelbase: BMW M4 has a 0.1 in longer wheelbase (112.5 in vs 112.4 in)
  • Curb weight: BMW i4 is 876 lb heavier (3,973 lb vs 4,849 lb)

Biggest size differences

  1. Curb weight: BMW i4 is 876 lb heavier (3,973 lb vs 4,849 lb)
  2. Height: BMW i4 is 2.3 in taller (54.8 in vs 57.0 in)
  3. Width: BMW i4 is 2.0 in narrower (74.9 in vs 72.9 in)
  4. Length: BMW i4 is 0.4 in shorter (188.9 in vs 188.5 in)
  5. Wheelbase: BMW M4 has a 0.1 in longer wheelbase (112.5 in vs 112.4 in)

Practical verdicts

  • Easier to fit in a short garageBMW i4BMW i4 is shorter by 0.4 in Check garage fit for BMW M4 · garage fit for BMW i4
  • Narrower for tight parkingBMW i4BMW i4 is narrower by 2.0 in
  • Smaller exterior footprintBMW i4Based on length × width (BMW i4)

Dimension comparison

SpecBMW M4BMW i4Difference
Length188.9 in188.5 in0.4 in
Width74.9 in72.9 in2.0 in
Height54.8 in57.0 in2.3 in
Wheelbase112.5 in112.4 in0.1 in
Curb weight3,973 lb4,849 lb876 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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