Audi S6 vs BMW M3 Dimensions & Size Comparison

Comparing 2018 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 width73.9 in

Which is bigger?

  • Length: BMW M3 is 9.9 in shorter (194.4 in vs 184.5 in)
  • Width: Audi S6 is 0.1 in narrower (73.8 in vs 73.9 in)
  • Height: Audi S6 is 0.7 in taller (56.8 in vs 56.1 in)
  • Wheelbase: Audi S6 has a 4.1 in longer wheelbase (114.8 in vs 110.7 in)
  • Ground clearance: BMW M3 has 0.1 in more ground clearance (4.6 in vs 4.7 in)
  • Curb weight: Audi S6 is 957 lb heavier (4,497 lb vs 3,540 lb)

Biggest size differences

  1. Curb weight: Audi S6 is 957 lb heavier (4,497 lb vs 3,540 lb)
  2. Length: BMW M3 is 9.9 in shorter (194.4 in vs 184.5 in)
  3. Wheelbase: Audi S6 has a 4.1 in longer wheelbase (114.8 in vs 110.7 in)
  4. Ground clearance: BMW M3 has 0.1 in more ground clearance (4.6 in vs 4.7 in)
  5. Height: Audi S6 is 0.7 in taller (56.8 in vs 56.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3BMW M3 is shorter by 9.9 in Check garage fit for Audi S6 · garage fit for BMW M3
  • Narrower for tight parkingAudi S6Audi S6 is narrower by 0.1 in
  • More ground clearanceBMW M3BMW M3 has 0.1 in more clearance
  • Smaller exterior footprintBMW M3Based on length × width (BMW M3)

Dimension comparison

SpecAudi S6BMW M3Difference
Length194.4 in184.5 in9.9 in
Width73.8 in73.9 in0.1 in
Height56.8 in56.1 in0.7 in
Wheelbase114.8 in110.7 in4.1 in
Ground clearance4.6 in4.7 in0.1 in
Curb weight4,497 lb3,540 lb957 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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