Spec Sizes

BMW M3 vs Audi A4 Dimensions & Size Comparison

Comparing 2022 catalog dimensions. BMW M3 · Audi A4

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

Side view
  • Length189.1 in
  • Height56.4 in – 56.5 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,990 lb
Front / width
  • Width74.3 in
  • Audi A4 width72.7 in

Which is bigger?

  • Length: Audi A4 is 1.6 in shorter (189.1 in vs 187.5 in)
  • Width: Audi A4 is 1.6 in narrower (74.3 in vs 72.7 in)
  • Height: BMW M3 is 0.3 in taller (56.5 in vs 56.2 in)
  • Wheelbase: BMW M3 has a 1.5 in longer wheelbase (112.5 in vs 111.0 in)
  • Curb weight: BMW M3 is 211 lb heavier (3,915 lb vs 3,704 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 211 lb heavier (3,915 lb vs 3,704 lb)
  2. Width: Audi A4 is 1.6 in narrower (74.3 in vs 72.7 in)
  3. Wheelbase: BMW M3 has a 1.5 in longer wheelbase (112.5 in vs 111.0 in)
  4. Length: Audi A4 is 1.6 in shorter (189.1 in vs 187.5 in)
  5. Height: BMW M3 is 0.3 in taller (56.5 in vs 56.2 in)

Practical verdicts

  • Easier to fit in a short garageAudi A4 — Audi A4 is shorter by 1.6 in Check garage fit for BMW M3 · garage fit for Audi A4
  • Narrower for tight parkingAudi A4 — Audi A4 is narrower by 1.6 in
  • Smaller exterior footprintAudi A4 — Based on length × width (Audi A4)

Dimension comparison

SpecBMW M3Audi A4Difference
Length189.1 in187.5 in1.6 in
Width74.3 in72.7 in1.6 in
Height56.5 in56.2 in0.3 in
Wheelbase112.5 in111.0 in1.5 in
Ground clearance—5.2 in—
Curb weight3,915 lb3,704 lb211 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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