Spec Sizes

Audi A4 vs BMW M3 Dimensions & Size Comparison

Comparing 2001 catalog dimensions. Audi A4 · BMW M3

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

Side view
  • Length176.7 in – 178.0 in
  • Height55.8 in – 56.7 in
  • Wheelbase102.6 in – 103.0 in
  • Curb weight2,998 lb – 3,494 lb
Front / width
  • Width68.2 in
  • BMW M3 width70.1 in

Which is bigger?

  • Length: BMW M3 is 0.5 in shorter (177.3 in vs 176.8 in)
  • Width: Audi A4 is 1.9 in narrower (68.2 in vs 70.1 in)
  • Height: Audi A4 is 2.4 in taller (56.3 in vs 53.9 in)
  • Wheelbase: BMW M3 has a 4.7 in longer wheelbase (102.8 in vs 107.5 in)
  • Curb weight: BMW M3 is 352 lb heavier (3,246 lb vs 3,598 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 352 lb heavier (3,246 lb vs 3,598 lb)
  2. Height: Audi A4 is 2.4 in taller (56.3 in vs 53.9 in)
  3. Wheelbase: BMW M3 has a 4.7 in longer wheelbase (102.8 in vs 107.5 in)
  4. Width: Audi A4 is 1.9 in narrower (68.2 in vs 70.1 in)
  5. Length: BMW M3 is 0.5 in shorter (177.3 in vs 176.8 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 0.5 in Check garage fit for Audi A4 · garage fit for BMW M3
  • Narrower for tight parkingAudi A4 — Audi A4 is narrower by 1.9 in
  • Smaller exterior footprintAudi A4 — Based on length × width (Audi A4)

Dimension comparison

SpecAudi A4BMW M3Difference
Length177.3 in176.8 in0.5 in
Width68.2 in70.1 in1.9 in
Height56.3 in53.9 in2.4 in
Wheelbase102.8 in107.5 in4.7 in
Curb weight3,246 lb3,598 lb352 lb

Values use trim midpoints when a model year lists a range (e.g. length 176.7 in – 178.0 in).

Compare by year

Overlapping model years with dimension data.

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