Spec Sizes

Audi S4 vs BMW M3 Dimensions & Size Comparison

Comparing 2012 catalog dimensions. Audi S4 · BMW M3

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

Side view
  • Length185.7 in
  • Height55.4 in
  • Wheelbase110.7 in
  • Curb weight3,847 lb
Front / width
  • Width71.9 in
  • BMW M3 width71.0 in

Which is bigger?

  • Length: BMW M3 is 3.9 in shorter (185.7 in vs 181.8 in)
  • Width: BMW M3 is 0.9 in narrower (71.9 in vs 71.0 in)
  • Height: Audi S4 is 0.1 in taller (55.4 in vs 55.3 in)
  • Wheelbase: Audi S4 has a 2.0 in longer wheelbase (110.7 in vs 108.7 in)
  • Curb weight: BMW M3 is 78 lb heavier (3,847 lb vs 3,925 lb)

Biggest size differences

  1. Length: BMW M3 is 3.9 in shorter (185.7 in vs 181.8 in)
  2. Curb weight: BMW M3 is 78 lb heavier (3,847 lb vs 3,925 lb)
  3. Wheelbase: Audi S4 has a 2.0 in longer wheelbase (110.7 in vs 108.7 in)
  4. Width: BMW M3 is 0.9 in narrower (71.9 in vs 71.0 in)
  5. Height: Audi S4 is 0.1 in taller (55.4 in vs 55.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.9 in Check garage fit for Audi S4 · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 0.9 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi S4BMW M3Difference
Length185.7 in181.8 in3.9 in
Width71.9 in71.0 in0.9 in
Height55.4 in55.3 in0.1 in
Wheelbase110.7 in108.7 in2.0 in
Curb weight3,847 lb3,925 lb78 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.