Spec Sizes

BMW M3 vs Audi A5 Dimensions & Size Comparison

Comparing 2011 catalog dimensions. BMW M3 · Audi A5

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 A5 width73.0 in

Which is bigger?

  • Length: BMW M3 is 1.0 in shorter (181.1 in vs 182.1 in)
  • Width: BMW M3 is 1.8 in narrower (71.3 in vs 73.0 in)
  • Height: BMW M3 is 1.6 in taller (55.9 in vs 54.3 in)
  • Wheelbase: BMW M3 has a 0.4 in longer wheelbase (108.7 in vs 108.3 in)
  • Curb weight: BMW M3 is 116 lb heavier (3,925 lb vs 3,809 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 116 lb heavier (3,925 lb vs 3,809 lb)
  2. Height: BMW M3 is 1.6 in taller (55.9 in vs 54.3 in)
  3. Width: BMW M3 is 1.8 in narrower (71.3 in vs 73.0 in)
  4. Length: BMW M3 is 1.0 in shorter (181.1 in vs 182.1 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 1.0 in Check garage fit for BMW M3 · garage fit for Audi A5
  • 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 A5Difference
Length181.1 in182.1 in1.0 in
Width71.3 in73.0 in1.8 in
Height55.9 in54.3 in1.6 in
Wheelbase108.7 in108.3 in0.4 in
Ground clearance—5.0 in—
Curb weight3,925 lb3,809 lb116 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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