Spec Sizes

Audi S4 vs BMW M3 Dimensions & Size Comparison

Comparing 2004 catalog dimensions. Audi S4 · BMW M3

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

Side view
  • Length179.0 in – 180.0 in
  • Height54.8 in – 57.2 in
  • Wheelbase104.3 in – 104.5 in
  • Curb weight3,825 lb – 4,090 lb
Front / width
  • Width69.5 in – 70.0 in
  • BMW M3 width70.1 in

Which is bigger?

  • Length: BMW M3 is 2.7 in shorter (179.5 in vs 176.8 in)
  • Width: Audi S4 is 0.3 in narrower (69.8 in vs 70.1 in)
  • Height: Audi S4 is 2.1 in taller (56.0 in vs 53.9 in)
  • Wheelbase: BMW M3 has a 3.1 in longer wheelbase (104.4 in vs 107.5 in)
  • Curb weight: Audi S4 is 360 lb heavier (3,958 lb vs 3,598 lb)

Biggest size differences

  1. Curb weight: Audi S4 is 360 lb heavier (3,958 lb vs 3,598 lb)
  2. Height: Audi S4 is 2.1 in taller (56.0 in vs 53.9 in)
  3. Wheelbase: BMW M3 has a 3.1 in longer wheelbase (104.4 in vs 107.5 in)
  4. Length: BMW M3 is 2.7 in shorter (179.5 in vs 176.8 in)
  5. Width: Audi S4 is 0.3 in narrower (69.8 in vs 70.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.7 in Check garage fit for Audi S4 · garage fit for BMW M3
  • Narrower for tight parkingAudi S4 — Audi S4 is narrower by 0.3 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi S4BMW M3Difference
Length179.5 in176.8 in2.7 in
Width69.8 in70.1 in0.3 in
Height56.0 in53.9 in2.1 in
Wheelbase104.4 in107.5 in3.1 in
Curb weight3,958 lb3,598 lb360 lb

Values use trim midpoints when a model year lists a range (e.g. length 179.0 in – 180.0 in).

Compare by year

Overlapping model years with dimension data.

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