Spec Sizes

Audi S4 vs BMW M3 Dimensions & Size Comparison

Comparing 2002 catalog dimensions. Audi S4 · BMW M3

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

Side view
  • Length176.7 in
  • Height54.9 in – 55.8 in
  • Wheelbase102.6 in
  • Curb weight3,593 lb – 3,704 lb
Front / width
  • Width72.7 in
  • BMW M3 width70.1 in

Which is bigger?

  • Length: Audi S4 is 0.1 in shorter (176.7 in vs 176.8 in)
  • Width: BMW M3 is 2.6 in narrower (72.7 in vs 70.1 in)
  • Height: Audi S4 is 1.5 in taller (55.3 in vs 53.9 in)
  • Wheelbase: BMW M3 has a 4.9 in longer wheelbase (102.6 in vs 107.5 in)
  • Curb weight: Audi S4 is 51 lb heavier (3,649 lb vs 3,598 lb)

Biggest size differences

  1. Wheelbase: BMW M3 has a 4.9 in longer wheelbase (102.6 in vs 107.5 in)
  2. Width: BMW M3 is 2.6 in narrower (72.7 in vs 70.1 in)
  3. Height: Audi S4 is 1.5 in taller (55.3 in vs 53.9 in)
  4. Curb weight: Audi S4 is 51 lb heavier (3,649 lb vs 3,598 lb)
  5. Length: Audi S4 is 0.1 in shorter (176.7 in vs 176.8 in)

Practical verdicts

  • Easier to fit in a short garageAudi S4 — Audi S4 is shorter by 0.1 in Check garage fit for Audi S4 · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 2.6 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi S4BMW M3Difference
Length176.7 in176.8 in0.1 in
Width72.7 in70.1 in2.6 in
Height55.3 in53.9 in1.5 in
Wheelbase102.6 in107.5 in4.9 in
Curb weight3,649 lb3,598 lb51 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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