Spec Sizes

Porsche Taycan vs BMW M3 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Porsche Taycan · BMW M3

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

Side view
  • Length195.4 in
  • Height54.3 in – 54.4 in
  • Wheelbase114.2 in
  • Curb weight4,771 lb – 5,119 lb
Front / width
  • Width77.5 in
  • BMW M3 width74.3 in

Which is bigger?

  • Length: BMW M3 is 6.3 in shorter (195.4 in vs 189.1 in)
  • Width: BMW M3 is 3.2 in narrower (77.5 in vs 74.3 in)
  • Height: BMW M3 is 2.1 in taller (54.3 in vs 56.4 in)
  • Wheelbase: Porsche Taycan has a 1.7 in longer wheelbase (114.2 in vs 112.5 in)
  • Curb weight: Porsche Taycan is 1,080 lb heavier (4,945 lb vs 3,865 lb)

Biggest size differences

  1. Curb weight: Porsche Taycan is 1,080 lb heavier (4,945 lb vs 3,865 lb)
  2. Width: BMW M3 is 3.2 in narrower (77.5 in vs 74.3 in)
  3. Height: BMW M3 is 2.1 in taller (54.3 in vs 56.4 in)
  4. Length: BMW M3 is 6.3 in shorter (195.4 in vs 189.1 in)
  5. Wheelbase: Porsche Taycan has a 1.7 in longer wheelbase (114.2 in vs 112.5 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 6.3 in Check garage fit for Porsche Taycan · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 3.2 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecPorsche TaycanBMW M3Difference
Length195.4 in189.1 in6.3 in
Width77.5 in74.3 in3.2 in
Height54.3 in56.4 in2.1 in
Wheelbase114.2 in112.5 in1.7 in
Curb weight4,945 lb3,865 lb1,080 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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