Spec Sizes

Audi A4 vs BMW M3 Dimensions & Size Comparison

Comparing 2012 catalog dimensions. Audi A4 · BMW M3

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

Side view
  • Length185.2 in
  • Height56.2 in – 56.5 in
  • Wheelbase110.6 in
  • Ground clearance5.0 in
  • Curb weight3,505 lb – 3,814 lb
Front / width
  • Width72.0 in
  • BMW M3 width71.0 in

Which is bigger?

  • Length: BMW M3 is 3.4 in shorter (185.2 in vs 181.8 in)
  • Width: BMW M3 is 1.0 in narrower (72.0 in vs 71.0 in)
  • Height: Audi A4 is 1.1 in taller (56.4 in vs 55.3 in)
  • Wheelbase: Audi A4 has a 1.9 in longer wheelbase (110.6 in vs 108.7 in)
  • Curb weight: BMW M3 is 265 lb heavier (3,660 lb vs 3,925 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 265 lb heavier (3,660 lb vs 3,925 lb)
  2. Height: Audi A4 is 1.1 in taller (56.4 in vs 55.3 in)
  3. Length: BMW M3 is 3.4 in shorter (185.2 in vs 181.8 in)
  4. Wheelbase: Audi A4 has a 1.9 in longer wheelbase (110.6 in vs 108.7 in)
  5. Width: BMW M3 is 1.0 in narrower (72.0 in vs 71.0 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.4 in Check garage fit for Audi A4 · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 1.0 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecAudi A4BMW M3Difference
Length185.2 in181.8 in3.4 in
Width72.0 in71.0 in1.0 in
Height56.4 in55.3 in1.1 in
Wheelbase110.6 in108.7 in1.9 in
Ground clearance5.0 in——
Curb weight3,660 lb3,925 lb265 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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