Spec Sizes

Audi A5 vs BMW M3 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. Audi A5 · BMW M3

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

Side view
  • Length184.9 in – 187.2 in
  • Height54.0 in – 54.6 in
  • Wheelbase108.8 in – 111.2 in
  • Curb weight3,682 lb – 3,990 lb
Front / width
  • Width72.6 in – 72.7 in
  • BMW M3 width74.3 in

Which is bigger?

  • Length: Audi A5 is 3.0 in shorter (186.1 in vs 189.1 in)
  • Width: Audi A5 is 1.6 in narrower (72.7 in vs 74.3 in)
  • Height: BMW M3 is 2.2 in taller (54.3 in vs 56.5 in)
  • Wheelbase: BMW M3 has a 2.5 in longer wheelbase (110.0 in vs 112.5 in)
  • Curb weight: BMW M3 is 79 lb heavier (3,836 lb vs 3,915 lb)

Biggest size differences

  1. Height: BMW M3 is 2.2 in taller (54.3 in vs 56.5 in)
  2. Wheelbase: BMW M3 has a 2.5 in longer wheelbase (110.0 in vs 112.5 in)
  3. Width: Audi A5 is 1.6 in narrower (72.7 in vs 74.3 in)
  4. Curb weight: BMW M3 is 79 lb heavier (3,836 lb vs 3,915 lb)
  5. Length: Audi A5 is 3.0 in shorter (186.1 in vs 189.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi A5 — Audi A5 is shorter by 3.0 in Check garage fit for Audi A5 · garage fit for BMW M3
  • Narrower for tight parkingAudi A5 — Audi A5 is narrower by 1.6 in
  • Smaller exterior footprintAudi A5 — Based on length × width (Audi A5)

Dimension comparison

SpecAudi A5BMW M3Difference
Length186.1 in189.1 in3.0 in
Width72.7 in74.3 in1.6 in
Height54.3 in56.5 in2.2 in
Wheelbase110.0 in112.5 in2.5 in
Curb weight3,836 lb3,915 lb79 lb

Values use trim midpoints when a model year lists a range (e.g. length 184.9 in – 187.2 in).

Compare by year

Overlapping model years with dimension data.

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