Spec Sizes

Audi S4 vs BMW M3 Dimensions & Size Comparison

Comparing 2009 catalog dimensions. Audi S4 · BMW M3

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

Side view
  • Length180.0 in
  • Height54.8 in
  • Wheelbase104.5 in
  • Curb weight4,211 lb
Front / width
  • Width70.0 in
  • BMW M3 width71.0 in – 71.5 in

Which is bigger?

  • Length: Audi S4 is 1.1 in shorter (180.0 in vs 181.1 in)
  • Width: Audi S4 is 1.3 in narrower (70.0 in vs 71.3 in)
  • Height: BMW M3 is 1.1 in taller (54.8 in vs 55.9 in)
  • Wheelbase: BMW M3 has a 4.2 in longer wheelbase (104.5 in vs 108.7 in)
  • Curb weight: Audi S4 is 287 lb heavier (4,211 lb vs 3,925 lb)

Biggest size differences

  1. Curb weight: Audi S4 is 287 lb heavier (4,211 lb vs 3,925 lb)
  2. Wheelbase: BMW M3 has a 4.2 in longer wheelbase (104.5 in vs 108.7 in)
  3. Height: BMW M3 is 1.1 in taller (54.8 in vs 55.9 in)
  4. Width: Audi S4 is 1.3 in narrower (70.0 in vs 71.3 in)
  5. Length: Audi S4 is 1.1 in shorter (180.0 in vs 181.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi S4 — Audi S4 is shorter by 1.1 in Check garage fit for Audi S4 · garage fit for BMW M3
  • Narrower for tight parkingAudi S4 — Audi S4 is narrower by 1.3 in
  • Smaller exterior footprintAudi S4 — Based on length × width (Audi S4)

Dimension comparison

SpecAudi S4BMW M3Difference
Length180.0 in181.1 in1.1 in
Width70.0 in71.3 in1.3 in
Height54.8 in55.9 in1.1 in
Wheelbase104.5 in108.7 in4.2 in
Curb weight4,211 lb3,925 lb287 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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