Spec Sizes

BMW M8 vs Porsche 911 Dimensions & Size Comparison

Comparing 2022 catalog dimensions. BMW M8 · Porsche 911

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

Side view
  • Length191.2 in
  • Height53.0 in
  • Wheelbase111.1 in
  • Ground clearance5.0 in
  • Curb weight4,295 lb – 4,560 lb
Front / width
  • Width74.9 in
  • Porsche 911 width72.9 in – 74.9 in

Which is bigger?

  • Length: Porsche 911 is 12.3 in shorter (191.2 in vs 178.9 in)
  • Width: Porsche 911 is 1.0 in narrower (74.9 in vs 73.9 in)
  • Height: BMW M8 is 2.2 in taller (53.0 in vs 50.8 in)
  • Wheelbase: BMW M8 has a 14.5 in longer wheelbase (111.1 in vs 96.6 in)
  • Curb weight: BMW M8 is 951 lb heavier (4,428 lb vs 3,477 lb)

Biggest size differences

  1. Curb weight: BMW M8 is 951 lb heavier (4,428 lb vs 3,477 lb)
  2. Wheelbase: BMW M8 has a 14.5 in longer wheelbase (111.1 in vs 96.6 in)
  3. Length: Porsche 911 is 12.3 in shorter (191.2 in vs 178.9 in)
  4. Height: BMW M8 is 2.2 in taller (53.0 in vs 50.8 in)
  5. Width: Porsche 911 is 1.0 in narrower (74.9 in vs 73.9 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 12.3 in Check garage fit for BMW M8 · garage fit for Porsche 911
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 1.0 in
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecBMW M8Porsche 911Difference
Length191.2 in178.9 in12.3 in
Width74.9 in73.9 in1.0 in
Height53.0 in50.8 in2.2 in
Wheelbase111.1 in96.6 in14.5 in
Ground clearance5.0 in——
Curb weight4,428 lb3,477 lb951 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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