Spec Sizes

BMW i8 vs BMW M6 Dimensions & Size Comparison

Comparing 2020 vs 2018 catalog dimensions. BMW i8 · BMW M6

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

Side view
  • Length184.9 in
  • Height50.7 in – 50.8 in
  • Wheelbase110.2 in
  • Curb weight3,501 lb – 3,671 lb
Front / width
  • Width76.5 in
  • BMW M6 width74.8 in

Which is bigger?

  • Length: BMW i8 is 8.1 in shorter (184.9 in vs 193.0 in)
  • Width: BMW M6 is 1.7 in narrower (76.5 in vs 74.8 in)
  • Height: BMW M6 is 3.1 in taller (50.8 in vs 53.9 in)
  • Wheelbase: BMW M6 has a 2.0 in longer wheelbase (110.2 in vs 112.2 in)
  • Curb weight: BMW M6 is 929 lb heavier (3,586 lb vs 4,515 lb)

Biggest size differences

  1. Curb weight: BMW M6 is 929 lb heavier (3,586 lb vs 4,515 lb)
  2. Height: BMW M6 is 3.1 in taller (50.8 in vs 53.9 in)
  3. Length: BMW i8 is 8.1 in shorter (184.9 in vs 193.0 in)
  4. Width: BMW M6 is 1.7 in narrower (76.5 in vs 74.8 in)
  5. Wheelbase: BMW M6 has a 2.0 in longer wheelbase (110.2 in vs 112.2 in)

Practical verdicts

  • Easier to fit in a short garageBMW i8 — BMW i8 is shorter by 8.1 in Check garage fit for BMW i8 · garage fit for BMW M6
  • Narrower for tight parkingBMW M6 — BMW M6 is narrower by 1.7 in
  • Smaller exterior footprintBMW i8 — Based on length × width (BMW i8)

Dimension comparison

SpecBMW i8BMW M6Difference
Length184.9 in193.0 in8.1 in
Width76.5 in74.8 in1.7 in
Height50.8 in53.9 in3.1 in
Wheelbase110.2 in112.2 in2.0 in
Ground clearance—4.2 in—
Curb weight3,586 lb4,515 lb929 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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