Spec Sizes

Audi A5 vs BMW M3 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Audi A5 · BMW M3

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

Side view
  • Length184.0 in – 186.3 in
  • Height54.0 in – 54.6 in
  • Wheelbase108.8 in – 111.2 in
  • Ground clearance4.7 in – 5.0 in
  • Curb weight3,549 lb – 3,990 lb
Front / width
  • Width72.6 in – 72.7 in
  • BMW M3 width73.9 in

Which is bigger?

  • Length: BMW M3 is 0.7 in shorter (185.2 in vs 184.5 in)
  • Width: Audi A5 is 1.3 in narrower (72.7 in vs 73.9 in)
  • Height: BMW M3 is 1.8 in taller (54.3 in vs 56.1 in)
  • Wheelbase: BMW M3 has a 0.7 in longer wheelbase (110.0 in vs 110.7 in)
  • Ground clearance: Audi A5 has 0.1 in more ground clearance (4.8 in vs 4.7 in)
  • Curb weight: Audi A5 is 230 lb heavier (3,770 lb vs 3,540 lb)

Biggest size differences

  1. Curb weight: Audi A5 is 230 lb heavier (3,770 lb vs 3,540 lb)
  2. Height: BMW M3 is 1.8 in taller (54.3 in vs 56.1 in)
  3. Ground clearance: Audi A5 has 0.1 in more ground clearance (4.8 in vs 4.7 in)
  4. Width: Audi A5 is 1.3 in narrower (72.7 in vs 73.9 in)
  5. Wheelbase: BMW M3 has a 0.7 in longer wheelbase (110.0 in vs 110.7 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 0.7 in Check garage fit for Audi A5 · garage fit for BMW M3
  • Narrower for tight parkingAudi A5 — Audi A5 is narrower by 1.3 in
  • More ground clearanceAudi A5 — Audi A5 has 0.1 in more clearance
  • Smaller exterior footprintAudi A5 — Based on length × width (Audi A5)

Dimension comparison

SpecAudi A5BMW M3Difference
Length185.2 in184.5 in0.7 in
Width72.7 in73.9 in1.3 in
Height54.3 in56.1 in1.8 in
Wheelbase110.0 in110.7 in0.7 in
Ground clearance4.8 in4.7 in0.1 in
Curb weight3,770 lb3,540 lb230 lb

Values use trim midpoints when a model year lists a range (e.g. length 184.0 in – 186.3 in).

Compare by year

Overlapping model years with dimension data.

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