Spec Sizes

BMW M3 vs Audi A5 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW M3 · Audi A5

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

Side view
  • Length189.1 in
  • Height56.4 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,890 lb
Front / width
  • Width74.3 in
  • Audi A5 width72.6 in – 72.7 in

Which is bigger?

  • Length: Audi A5 is 3.0 in shorter (189.1 in vs 186.1 in)
  • Width: Audi A5 is 1.6 in narrower (74.3 in vs 72.7 in)
  • Height: BMW M3 is 2.1 in taller (56.4 in vs 54.3 in)
  • Wheelbase: BMW M3 has a 2.5 in longer wheelbase (112.5 in vs 110.0 in)
  • Curb weight: Audi A5 is 15 lb heavier (3,865 lb vs 3,880 lb)

Biggest size differences

  1. Height: BMW M3 is 2.1 in taller (56.4 in vs 54.3 in)
  2. Wheelbase: BMW M3 has a 2.5 in longer wheelbase (112.5 in vs 110.0 in)
  3. Width: Audi A5 is 1.6 in narrower (74.3 in vs 72.7 in)
  4. Length: Audi A5 is 3.0 in shorter (189.1 in vs 186.1 in)
  5. Curb weight: Audi A5 is 15 lb heavier (3,865 lb vs 3,880 lb)

Practical verdicts

  • Easier to fit in a short garageAudi A5 — Audi A5 is shorter by 3.0 in Check garage fit for BMW M3 · garage fit for Audi A5
  • 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

SpecBMW M3Audi A5Difference
Length189.1 in186.1 in3.0 in
Width74.3 in72.7 in1.6 in
Height56.4 in54.3 in2.1 in
Wheelbase112.5 in110.0 in2.5 in
Curb weight3,865 lb3,880 lb15 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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