Spec Sizes

BMW M4 vs Porsche Taycan Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW M4 · Porsche Taycan

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

Side view
  • Length189.1 in
  • Height54.8 in
  • Wheelbase112.5 in
  • Curb weight3,830 lb – 3,880 lb
Front / width
  • Width74.3 in
  • Porsche Taycan width77.5 in

Which is bigger?

  • Length: BMW M4 is 6.3 in shorter (189.1 in vs 195.4 in)
  • Width: BMW M4 is 3.2 in narrower (74.3 in vs 77.5 in)
  • Height: BMW M4 is 0.5 in taller (54.8 in vs 54.3 in)
  • Wheelbase: Porsche Taycan has a 1.7 in longer wheelbase (112.5 in vs 114.2 in)
  • Curb weight: Porsche Taycan is 1,090 lb heavier (3,855 lb vs 4,945 lb)

Biggest size differences

  1. Curb weight: Porsche Taycan is 1,090 lb heavier (3,855 lb vs 4,945 lb)
  2. Width: BMW M4 is 3.2 in narrower (74.3 in vs 77.5 in)
  3. Length: BMW M4 is 6.3 in shorter (189.1 in vs 195.4 in)
  4. Wheelbase: Porsche Taycan has a 1.7 in longer wheelbase (112.5 in vs 114.2 in)
  5. Height: BMW M4 is 0.5 in taller (54.8 in vs 54.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 6.3 in Check garage fit for BMW M4 · garage fit for Porsche Taycan
  • Narrower for tight parkingBMW M4 — BMW M4 is narrower by 3.2 in
  • Smaller exterior footprintBMW M4 — Based on length × width (BMW M4)

Dimension comparison

SpecBMW M4Porsche TaycanDifference
Length189.1 in195.4 in6.3 in
Width74.3 in77.5 in3.2 in
Height54.8 in54.3 in0.5 in
Wheelbase112.5 in114.2 in1.7 in
Curb weight3,855 lb4,945 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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