Spec Sizes

BMW M3 vs Audi A4 Dimensions & Size Comparison

Comparing 2017 vs 2023 catalog dimensions. BMW M3 · Audi A4

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

Side view
  • Length184.5 in
  • Height56.1 in
  • Wheelbase110.7 in
  • Ground clearance4.7 in
  • Curb weight3,540 lb
Front / width
  • Width73.9 in
  • Audi A4 width72.7 in

Which is bigger?

  • Length: BMW M3 is 3.0 in shorter (184.5 in vs 187.5 in)
  • Width: Audi A4 is 1.2 in narrower (73.9 in vs 72.7 in)
  • Height: Audi A4 is 0.1 in taller (56.1 in vs 56.2 in)
  • Wheelbase: Audi A4 has a 0.3 in longer wheelbase (110.7 in vs 111.0 in)
  • Ground clearance: Audi A4 has 0.5 in more ground clearance (4.7 in vs 5.2 in)
  • Curb weight: Audi A4 is 131 lb heavier (3,540 lb vs 3,671 lb)

Biggest size differences

  1. Ground clearance: Audi A4 has 0.5 in more ground clearance (4.7 in vs 5.2 in)
  2. Curb weight: Audi A4 is 131 lb heavier (3,540 lb vs 3,671 lb)
  3. Width: Audi A4 is 1.2 in narrower (73.9 in vs 72.7 in)
  4. Length: BMW M3 is 3.0 in shorter (184.5 in vs 187.5 in)
  5. Wheelbase: Audi A4 has a 0.3 in longer wheelbase (110.7 in vs 111.0 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.0 in Check garage fit for BMW M3 · garage fit for Audi A4
  • Narrower for tight parkingAudi A4 — Audi A4 is narrower by 1.2 in
  • More ground clearanceAudi A4 — Audi A4 has 0.5 in more clearance

Dimension comparison

SpecBMW M3Audi A4Difference
Length184.5 in187.5 in3.0 in
Width73.9 in72.7 in1.2 in
Height56.1 in56.2 in0.1 in
Wheelbase110.7 in111.0 in0.3 in
Ground clearance4.7 in5.2 in0.5 in
Curb weight3,540 lb3,671 lb131 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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