BMW M3 vs BMW i4 Dimensions & Size Comparison

Comparing 2017 vs 2023 catalog dimensions. BMW M3 · BMW i4

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 i4 width72.9 in

Which is bigger?

  • Length: BMW M3 is 4.0 in shorter (184.5 in vs 188.5 in)
  • Width: BMW i4 is 1.0 in narrower (73.9 in vs 72.9 in)
  • Height: BMW i4 is 0.9 in taller (56.1 in vs 57.0 in)
  • Wheelbase: BMW i4 has a 1.7 in longer wheelbase (110.7 in vs 112.4 in)
  • Curb weight: BMW i4 is 1,309 lb heavier (3,540 lb vs 4,849 lb)

Biggest size differences

  1. Curb weight: BMW i4 is 1,309 lb heavier (3,540 lb vs 4,849 lb)
  2. Length: BMW M3 is 4.0 in shorter (184.5 in vs 188.5 in)
  3. Height: BMW i4 is 0.9 in taller (56.1 in vs 57.0 in)
  4. Wheelbase: BMW i4 has a 1.7 in longer wheelbase (110.7 in vs 112.4 in)
  5. Width: BMW i4 is 1.0 in narrower (73.9 in vs 72.9 in)

Practical verdicts

Dimension comparison

SpecBMW M3BMW i4Difference
Length184.5 in188.5 in4.0 in
Width73.9 in72.9 in1.0 in
Height56.1 in57.0 in0.9 in
Wheelbase110.7 in112.4 in1.7 in
Ground clearance4.7 in——
Curb weight3,540 lb4,849 lb1,309 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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