Spec Sizes

BMW M3 vs Audi S5 Dimensions & Size Comparison

Comparing 2009 catalog dimensions. BMW M3 · Audi S5

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

Side view
  • Length180.4 in – 181.8 in
  • Height54.8 in – 57.0 in
  • Wheelbase108.7 in
  • Curb weight3,704 lb – 4,145 lb
Front / width
  • Width71.0 in – 71.5 in
  • Audi S5 width73.0 in

Which is bigger?

  • Length: BMW M3 is 1.4 in shorter (181.1 in vs 182.5 in)
  • Width: BMW M3 is 1.8 in narrower (71.3 in vs 73.0 in)
  • Height: BMW M3 is 2.0 in taller (55.9 in vs 53.9 in)
  • Wheelbase: BMW M3 has a 0.4 in longer wheelbase (108.7 in vs 108.3 in)
  • Curb weight: BMW M3 is 34 lb heavier (3,925 lb vs 3,891 lb)

Biggest size differences

  1. Height: BMW M3 is 2.0 in taller (55.9 in vs 53.9 in)
  2. Width: BMW M3 is 1.8 in narrower (71.3 in vs 73.0 in)
  3. Curb weight: BMW M3 is 34 lb heavier (3,925 lb vs 3,891 lb)
  4. Length: BMW M3 is 1.4 in shorter (181.1 in vs 182.5 in)
  5. Wheelbase: BMW M3 has a 0.4 in longer wheelbase (108.7 in vs 108.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 1.4 in Check garage fit for BMW M3 · garage fit for Audi S5
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 1.8 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecBMW M3Audi S5Difference
Length181.1 in182.5 in1.4 in
Width71.3 in73.0 in1.8 in
Height55.9 in53.9 in2.0 in
Wheelbase108.7 in108.3 in0.4 in
Curb weight3,925 lb3,891 lb34 lb

Values use trim midpoints when a model year lists a range (e.g. length 180.4 in – 181.8 in).

Compare by year

Overlapping model years with dimension data.

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