Spec Sizes

BMW M3 vs Audi RS 3 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. BMW M3 · Audi RS 3

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 RS 3 width72.9 in

Which is bigger?

  • Length: Audi RS 3 is 10.3 in shorter (189.1 in vs 178.8 in)
  • Width: Audi RS 3 is 1.4 in narrower (74.3 in vs 72.9 in)
  • Height: BMW M3 is 0.9 in taller (56.5 in vs 55.6 in)
  • Wheelbase: BMW M3 has a 8.9 in longer wheelbase (112.5 in vs 103.6 in)
  • Curb weight: BMW M3 is 266 lb heavier (3,915 lb vs 3,649 lb)

Biggest size differences

  1. Wheelbase: BMW M3 has a 8.9 in longer wheelbase (112.5 in vs 103.6 in)
  2. Curb weight: BMW M3 is 266 lb heavier (3,915 lb vs 3,649 lb)
  3. Length: Audi RS 3 is 10.3 in shorter (189.1 in vs 178.8 in)
  4. Width: Audi RS 3 is 1.4 in narrower (74.3 in vs 72.9 in)
  5. Height: BMW M3 is 0.9 in taller (56.5 in vs 55.6 in)

Practical verdicts

  • Easier to fit in a short garageAudi RS 3 — Audi RS 3 is shorter by 10.3 in Check garage fit for BMW M3 · garage fit for Audi RS 3
  • Narrower for tight parkingAudi RS 3 — Audi RS 3 is narrower by 1.4 in
  • Smaller exterior footprintAudi RS 3 — Based on length × width (Audi RS 3)

Dimension comparison

SpecBMW M3Audi RS 3Difference
Length189.1 in178.8 in10.3 in
Width74.3 in72.9 in1.4 in
Height56.5 in55.6 in0.9 in
Wheelbase112.5 in103.6 in8.9 in
Curb weight3,915 lb3,649 lb266 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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