Spec Sizes

Audi A5 vs BMW M3 Dimensions & Size Comparison

Comparing 2021 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 weight3,715 lb – 4,045 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 2.1 in taller (54.3 in vs 56.4 in)
  • Wheelbase: BMW M3 has a 2.5 in longer wheelbase (110.0 in vs 112.5 in)
  • Curb weight: Audi A5 is 15 lb heavier (3,880 lb vs 3,865 lb)

Biggest size differences

  1. Height: BMW M3 is 2.1 in taller (54.3 in vs 56.4 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. Length: Audi A5 is 3.0 in shorter (186.1 in vs 189.1 in)
  5. Curb weight: Audi A5 is 15 lb heavier (3,880 lb vs 3,865 lb)

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 in56.4 in2.1 in
Wheelbase110.0 in112.5 in2.5 in
Curb weight3,880 lb3,865 lb15 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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