Spec Sizes

Audi S6 vs BMW M3 Dimensions & Size Comparison

Comparing 2018 vs 2023 catalog dimensions. Audi S6 · BMW M3

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

Side view
  • Length194.4 in
  • Height56.8 in
  • Wheelbase114.8 in
  • Ground clearance4.6 in
  • Curb weight4,497 lb
Front / width
  • Width73.8 in
  • BMW M3 width74.3 in

Which is bigger?

  • Length: BMW M3 is 5.3 in shorter (194.4 in vs 189.1 in)
  • Width: Audi S6 is 0.5 in narrower (73.8 in vs 74.3 in)
  • Height: Audi S6 is 0.3 in taller (56.8 in vs 56.5 in)
  • Wheelbase: Audi S6 has a 2.3 in longer wheelbase (114.8 in vs 112.5 in)
  • Curb weight: Audi S6 is 582 lb heavier (4,497 lb vs 3,915 lb)

Biggest size differences

  1. Curb weight: Audi S6 is 582 lb heavier (4,497 lb vs 3,915 lb)
  2. Length: BMW M3 is 5.3 in shorter (194.4 in vs 189.1 in)
  3. Wheelbase: Audi S6 has a 2.3 in longer wheelbase (114.8 in vs 112.5 in)
  4. Width: Audi S6 is 0.5 in narrower (73.8 in vs 74.3 in)
  5. Height: Audi S6 is 0.3 in taller (56.8 in vs 56.5 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 5.3 in Check garage fit for Audi S6 · garage fit for BMW M3
  • Narrower for tight parkingAudi S6 — Audi S6 is narrower by 0.5 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi S6BMW M3Difference
Length194.4 in189.1 in5.3 in
Width73.8 in74.3 in0.5 in
Height56.8 in56.5 in0.3 in
Wheelbase114.8 in112.5 in2.3 in
Ground clearance4.6 in——
Curb weight4,497 lb3,915 lb582 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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