Spec Sizes

BMW M4 vs Porsche Taycan Dimensions & Size Comparison

Comparing 2020 catalog dimensions. BMW M4 · Porsche Taycan

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

Side view
  • Length184.5 in
  • Height54.4 in – 54.8 in
  • Wheelbase110.7 in
  • Curb weight3,620 lb – 4,110 lb
Front / width
  • Width73.6 in
  • Porsche Taycan width77.4 in – 77.5 in

Which is bigger?

  • Length: BMW M4 is 10.9 in shorter (184.5 in vs 195.4 in)
  • Width: BMW M4 is 3.9 in narrower (73.6 in vs 77.5 in)
  • Height: BMW M4 is 0.3 in taller (54.6 in vs 54.3 in)
  • Wheelbase: Porsche Taycan has a 3.5 in longer wheelbase (110.7 in vs 114.2 in)
  • Curb weight: Porsche Taycan is 1,090 lb heavier (3,865 lb vs 4,955 lb)

Biggest size differences

  1. Curb weight: Porsche Taycan is 1,090 lb heavier (3,865 lb vs 4,955 lb)
  2. Length: BMW M4 is 10.9 in shorter (184.5 in vs 195.4 in)
  3. Width: BMW M4 is 3.9 in narrower (73.6 in vs 77.5 in)
  4. Wheelbase: Porsche Taycan has a 3.5 in longer wheelbase (110.7 in vs 114.2 in)
  5. Height: BMW M4 is 0.3 in taller (54.6 in vs 54.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 10.9 in Check garage fit for BMW M4 · garage fit for Porsche Taycan
  • Narrower for tight parkingBMW M4 — BMW M4 is narrower by 3.9 in
  • Smaller exterior footprintBMW M4 — Based on length × width (BMW M4)

Dimension comparison

SpecBMW M4Porsche TaycanDifference
Length184.5 in195.4 in10.9 in
Width73.6 in77.5 in3.9 in
Height54.6 in54.3 in0.3 in
Wheelbase110.7 in114.2 in3.5 in
Curb weight3,865 lb4,955 lb1,090 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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