Spec Sizes

Audi A4 vs BMW M3 Dimensions & Size Comparison

Comparing 2015 catalog dimensions. Audi A4 · BMW M3

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

Side view
  • Length185.1 in
  • Height56.2 in
  • Wheelbase110.6 in
  • Ground clearance4.7 in
  • Curb weight3,516 lb – 3,627 lb
Front / width
  • Width71.9 in
  • BMW M3 width73.9 in

Which is bigger?

  • Length: BMW M3 is 0.6 in shorter (185.1 in vs 184.5 in)
  • Width: Audi A4 is 2.0 in narrower (71.9 in vs 73.9 in)
  • Height: Audi A4 is 0.1 in taller (56.2 in vs 56.1 in)
  • Wheelbase: BMW M3 has a 0.1 in longer wheelbase (110.6 in vs 110.7 in)
  • Ground clearance: essentially the same
  • Curb weight: Audi A4 is 32 lb heavier (3,572 lb vs 3,540 lb)

Biggest size differences

  1. Width: Audi A4 is 2.0 in narrower (71.9 in vs 73.9 in)
  2. Curb weight: Audi A4 is 32 lb heavier (3,572 lb vs 3,540 lb)
  3. Length: BMW M3 is 0.6 in shorter (185.1 in vs 184.5 in)
  4. Height: Audi A4 is 0.1 in taller (56.2 in vs 56.1 in)
  5. Wheelbase: BMW M3 has a 0.1 in longer wheelbase (110.6 in vs 110.7 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 0.6 in Check garage fit for Audi A4 · garage fit for BMW M3
  • Narrower for tight parkingAudi A4 — Audi A4 is narrower by 2.0 in
  • Smaller exterior footprintAudi A4 — Based on length × width (Audi A4)

Dimension comparison

SpecAudi A4BMW M3Difference
Length185.1 in184.5 in0.6 in
Width71.9 in73.9 in2.0 in
Height56.2 in56.1 in0.1 in
Wheelbase110.6 in110.7 in0.1 in
Ground clearance4.7 in4.7 in0.0 in
Curb weight3,572 lb3,540 lb32 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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