Spec Sizes

BMW i8 vs BMW M8 Dimensions & Size Comparison

Comparing 2020 catalog dimensions. BMW i8 · BMW M8

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 M8 width74.9 in

Which is bigger?

  • Length: BMW i8 is 6.3 in shorter (184.9 in vs 191.2 in)
  • Width: BMW M8 is 1.6 in narrower (76.5 in vs 74.9 in)
  • Height: BMW M8 is 2.3 in taller (50.8 in vs 53.0 in)
  • Wheelbase: BMW M8 has a 0.9 in longer wheelbase (110.2 in vs 111.1 in)
  • Curb weight: BMW M8 is 842 lb heavier (3,586 lb vs 4,428 lb)

Biggest size differences

  1. Curb weight: BMW M8 is 842 lb heavier (3,586 lb vs 4,428 lb)
  2. Height: BMW M8 is 2.3 in taller (50.8 in vs 53.0 in)
  3. Length: BMW i8 is 6.3 in shorter (184.9 in vs 191.2 in)
  4. Width: BMW M8 is 1.6 in narrower (76.5 in vs 74.9 in)
  5. Wheelbase: BMW M8 has a 0.9 in longer wheelbase (110.2 in vs 111.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW i8 — BMW i8 is shorter by 6.3 in Check garage fit for BMW i8 · garage fit for BMW M8
  • Narrower for tight parkingBMW M8 — BMW M8 is narrower by 1.6 in
  • Smaller exterior footprintBMW i8 — Based on length × width (BMW i8)

Dimension comparison

SpecBMW i8BMW M8Difference
Length184.9 in191.2 in6.3 in
Width76.5 in74.9 in1.6 in
Height50.8 in53.0 in2.3 in
Wheelbase110.2 in111.1 in0.9 in
Ground clearance—5.0 in—
Curb weight3,586 lb4,428 lb842 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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