Spec Sizes

Audi S6 vs BMW M3 Dimensions & Size Comparison

Comparing 2011 catalog dimensions. Audi S6 · BMW M3

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

Side view
  • Length193.5 in
  • Height57.0 in
  • Wheelbase112.1 in
  • Curb weight4,486 lb
Front / width
  • Width73.4 in
  • BMW M3 width71.0 in – 71.5 in

Which is bigger?

  • Length: BMW M3 is 12.4 in shorter (193.5 in vs 181.1 in)
  • Width: BMW M3 is 2.2 in narrower (73.4 in vs 71.3 in)
  • Height: Audi S6 is 1.1 in taller (57.0 in vs 55.9 in)
  • Wheelbase: Audi S6 has a 3.4 in longer wheelbase (112.1 in vs 108.7 in)
  • Curb weight: Audi S6 is 562 lb heavier (4,486 lb vs 3,925 lb)

Biggest size differences

  1. Curb weight: Audi S6 is 562 lb heavier (4,486 lb vs 3,925 lb)
  2. Length: BMW M3 is 12.4 in shorter (193.5 in vs 181.1 in)
  3. Wheelbase: Audi S6 has a 3.4 in longer wheelbase (112.1 in vs 108.7 in)
  4. Width: BMW M3 is 2.2 in narrower (73.4 in vs 71.3 in)
  5. Height: Audi S6 is 1.1 in taller (57.0 in vs 55.9 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 12.4 in Check garage fit for Audi S6 · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 2.2 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi S6BMW M3Difference
Length193.5 in181.1 in12.4 in
Width73.4 in71.3 in2.2 in
Height57.0 in55.9 in1.1 in
Wheelbase112.1 in108.7 in3.4 in
Curb weight4,486 lb3,925 lb562 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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