Spec Sizes

BMW M3 vs Audi S5 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. BMW M3 · Audi S5

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 S5 width72.6 in – 72.7 in

Which is bigger?

  • Length: Audi S5 is 3.0 in shorter (189.1 in vs 186.1 in)
  • Width: Audi S5 is 1.6 in narrower (74.3 in vs 72.7 in)
  • Height: BMW M3 is 2.2 in taller (56.5 in vs 54.3 in)
  • Wheelbase: BMW M3 has a 2.5 in longer wheelbase (112.5 in vs 110.0 in)
  • Curb weight: Audi S5 is 92 lb heavier (3,915 lb vs 4,007 lb)

Biggest size differences

  1. Height: BMW M3 is 2.2 in taller (56.5 in vs 54.3 in)
  2. Curb weight: Audi S5 is 92 lb heavier (3,915 lb vs 4,007 lb)
  3. Wheelbase: BMW M3 has a 2.5 in longer wheelbase (112.5 in vs 110.0 in)
  4. Width: Audi S5 is 1.6 in narrower (74.3 in vs 72.7 in)
  5. Length: Audi S5 is 3.0 in shorter (189.1 in vs 186.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi S5 — Audi S5 is shorter by 3.0 in Check garage fit for BMW M3 · garage fit for Audi S5
  • Narrower for tight parkingAudi S5 — Audi S5 is narrower by 1.6 in
  • Smaller exterior footprintAudi S5 — Based on length × width (Audi S5)

Dimension comparison

SpecBMW M3Audi S5Difference
Length189.1 in186.1 in3.0 in
Width74.3 in72.7 in1.6 in
Height56.5 in54.3 in2.2 in
Wheelbase112.5 in110.0 in2.5 in
Curb weight3,915 lb4,007 lb92 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.