Spec Sizes

Audi S4 vs BMW M4 Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Audi S4 · BMW M4

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

Side view
  • Length186.8 in
  • Height55.3 in
  • Wheelbase111.2 in
  • Curb weight3,858 lb
Front / width
  • Width72.5 in
  • BMW M4 width73.6 in – 79.3 in

Which is bigger?

  • Length: BMW M4 is 2.3 in shorter (186.8 in vs 184.6 in)
  • Width: Audi S4 is 3.9 in narrower (72.5 in vs 76.4 in)
  • Height: Audi S4 is 0.7 in taller (55.3 in vs 54.6 in)
  • Wheelbase: Audi S4 has a 0.5 in longer wheelbase (111.2 in vs 110.7 in)
  • Curb weight: Audi S4 is 13 lb heavier (3,858 lb vs 3,845 lb)

Biggest size differences

  1. Width: Audi S4 is 3.9 in narrower (72.5 in vs 76.4 in)
  2. Height: Audi S4 is 0.7 in taller (55.3 in vs 54.6 in)
  3. Length: BMW M4 is 2.3 in shorter (186.8 in vs 184.6 in)
  4. Wheelbase: Audi S4 has a 0.5 in longer wheelbase (111.2 in vs 110.7 in)
  5. Curb weight: Audi S4 is 13 lb heavier (3,858 lb vs 3,845 lb)

Practical verdicts

  • Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 2.3 in Check garage fit for Audi S4 · garage fit for BMW M4
  • Narrower for tight parkingAudi S4 — Audi S4 is narrower by 3.9 in
  • Smaller exterior footprintAudi S4 — Based on length × width (Audi S4)

Dimension comparison

SpecAudi S4BMW M4Difference
Length186.8 in184.6 in2.3 in
Width72.5 in76.4 in3.9 in
Height55.3 in54.6 in0.7 in
Wheelbase111.2 in110.7 in0.5 in
Curb weight3,858 lb3,845 lb13 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.