Spec Sizes

BMW M3 vs BMW i4 Dimensions & Size Comparison

Comparing 2022 catalog dimensions. BMW M3 · BMW i4

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

Side view
  • Length189.1 in
  • Height56.4 in – 56.5 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,990 lb
Front / width
  • Width74.3 in
  • BMW i4 width72.9 in

Which is bigger?

  • Length: BMW i4 is 0.6 in shorter (189.1 in vs 188.5 in)
  • Width: BMW i4 is 1.4 in narrower (74.3 in vs 72.9 in)
  • Height: BMW i4 is 0.5 in taller (56.5 in vs 57.0 in)
  • Wheelbase: BMW M3 has a 0.1 in longer wheelbase (112.5 in vs 112.4 in)
  • Curb weight: BMW i4 is 934 lb heavier (3,915 lb vs 4,849 lb)

Biggest size differences

  1. Curb weight: BMW i4 is 934 lb heavier (3,915 lb vs 4,849 lb)
  2. Width: BMW i4 is 1.4 in narrower (74.3 in vs 72.9 in)
  3. Height: BMW i4 is 0.5 in taller (56.5 in vs 57.0 in)
  4. Length: BMW i4 is 0.6 in shorter (189.1 in vs 188.5 in)
  5. Wheelbase: BMW M3 has a 0.1 in longer wheelbase (112.5 in vs 112.4 in)

Practical verdicts

  • Easier to fit in a short garageBMW i4 — BMW i4 is shorter by 0.6 in Check garage fit for BMW M3 · garage fit for BMW i4
  • Narrower for tight parkingBMW i4 — BMW i4 is narrower by 1.4 in
  • Smaller exterior footprintBMW i4 — Based on length × width (BMW i4)

Dimension comparison

SpecBMW M3BMW i4Difference
Length189.1 in188.5 in0.6 in
Width74.3 in72.9 in1.4 in
Height56.5 in57.0 in0.5 in
Wheelbase112.5 in112.4 in0.1 in
Curb weight3,915 lb4,849 lb934 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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