Spec Sizes

BMW M4 vs BMW i8 Dimensions & Size Comparison

Comparing 2015 catalog dimensions. BMW M4 · BMW i8

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

Side view
  • Length184.5 in
  • Height54.4 in
  • Wheelbase110.7 in
  • Ground clearance4.8 in
  • Curb weight3,530 lb
Front / width
  • Width73.6 in
  • BMW i8 width76.5 in

Which is bigger?

  • Length: BMW M4 is 0.4 in shorter (184.5 in vs 184.9 in)
  • Width: BMW M4 is 2.9 in narrower (73.6 in vs 76.5 in)
  • Height: BMW M4 is 3.6 in taller (54.4 in vs 50.8 in)
  • Wheelbase: BMW M4 has a 0.5 in longer wheelbase (110.7 in vs 110.2 in)
  • Ground clearance: BMW M4 has 0.2 in more ground clearance (4.8 in vs 4.6 in)
  • Curb weight: BMW M4 is 75 lb heavier (3,530 lb vs 3,455 lb)

Biggest size differences

  1. Height: BMW M4 is 3.6 in taller (54.4 in vs 50.8 in)
  2. Ground clearance: BMW M4 has 0.2 in more ground clearance (4.8 in vs 4.6 in)
  3. Width: BMW M4 is 2.9 in narrower (73.6 in vs 76.5 in)
  4. Curb weight: BMW M4 is 75 lb heavier (3,530 lb vs 3,455 lb)
  5. Wheelbase: BMW M4 has a 0.5 in longer wheelbase (110.7 in vs 110.2 in)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 0.4 in Check garage fit for BMW M4 · garage fit for BMW i8
  • Narrower for tight parkingBMW M4 — BMW M4 is narrower by 2.9 in
  • More ground clearanceBMW M4 — BMW M4 has 0.2 in more clearance
  • Smaller exterior footprintBMW M4 — Based on length × width (BMW M4)

Dimension comparison

SpecBMW M4BMW i8Difference
Length184.5 in184.9 in0.4 in
Width73.6 in76.5 in2.9 in
Height54.4 in50.8 in3.6 in
Wheelbase110.7 in110.2 in0.5 in
Ground clearance4.8 in4.6 in0.2 in
Curb weight3,530 lb3,455 lb75 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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