Spec Sizes

Audi S5 vs BMW M8 Dimensions & Size Comparison

Comparing 2020 catalog dimensions. Audi S5 · BMW M8

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

Side view
  • Length184.9 in – 187.2 in
  • Height54.0 in – 54.6 in
  • Wheelbase108.8 in – 111.2 in
  • Curb weight3,858 lb – 4,178 lb
Front / width
  • Width72.6 in – 72.7 in
  • BMW M8 width74.9 in

Which is bigger?

  • Length: Audi S5 is 5.1 in shorter (186.1 in vs 191.2 in)
  • Width: Audi S5 is 2.3 in narrower (72.7 in vs 74.9 in)
  • Height: Audi S5 is 1.3 in taller (54.3 in vs 53.0 in)
  • Wheelbase: BMW M8 has a 1.1 in longer wheelbase (110.0 in vs 111.1 in)
  • Curb weight: BMW M8 is 410 lb heavier (4,018 lb vs 4,428 lb)

Biggest size differences

  1. Curb weight: BMW M8 is 410 lb heavier (4,018 lb vs 4,428 lb)
  2. Width: Audi S5 is 2.3 in narrower (72.7 in vs 74.9 in)
  3. Length: Audi S5 is 5.1 in shorter (186.1 in vs 191.2 in)
  4. Height: Audi S5 is 1.3 in taller (54.3 in vs 53.0 in)
  5. Wheelbase: BMW M8 has a 1.1 in longer wheelbase (110.0 in vs 111.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi S5 — Audi S5 is shorter by 5.1 in Check garage fit for Audi S5 · garage fit for BMW M8
  • Narrower for tight parkingAudi S5 — Audi S5 is narrower by 2.3 in
  • Smaller exterior footprintAudi S5 — Based on length × width (Audi S5)

Dimension comparison

SpecAudi S5BMW M8Difference
Length186.1 in191.2 in5.1 in
Width72.7 in74.9 in2.3 in
Height54.3 in53.0 in1.3 in
Wheelbase110.0 in111.1 in1.1 in
Ground clearance—5.0 in—
Curb weight4,018 lb4,428 lb410 lb

Values use trim midpoints when a model year lists a range (e.g. length 184.9 in – 187.2 in).

Compare by year

Overlapping model years with dimension data.

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