Spec Sizes

BMW i8 vs Audi S5 Dimensions & Size Comparison

Comparing 2017 vs 2023 catalog dimensions. BMW i8 · Audi S5

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

Side view
  • Length184.9 in
  • Height50.8 in
  • Wheelbase110.2 in
  • Ground clearance4.6 in
  • Curb weight3,455 lb
Front / width
  • Width76.5 in
  • Audi S5 width72.6 in – 72.7 in

Which is bigger?

  • Length: BMW i8 is 1.2 in shorter (184.9 in vs 186.1 in)
  • Width: Audi S5 is 3.8 in narrower (76.5 in vs 72.7 in)
  • Height: Audi S5 is 3.5 in taller (50.8 in vs 54.3 in)
  • Wheelbase: BMW i8 has a 0.2 in longer wheelbase (110.2 in vs 110.0 in)
  • Curb weight: Audi S5 is 552 lb heavier (3,455 lb vs 4,007 lb)

Biggest size differences

  1. Curb weight: Audi S5 is 552 lb heavier (3,455 lb vs 4,007 lb)
  2. Height: Audi S5 is 3.5 in taller (50.8 in vs 54.3 in)
  3. Width: Audi S5 is 3.8 in narrower (76.5 in vs 72.7 in)
  4. Length: BMW i8 is 1.2 in shorter (184.9 in vs 186.1 in)
  5. Wheelbase: BMW i8 has a 0.2 in longer wheelbase (110.2 in vs 110.0 in)

Practical verdicts

  • Easier to fit in a short garageBMW i8 — BMW i8 is shorter by 1.2 in Check garage fit for BMW i8 · garage fit for Audi S5
  • Narrower for tight parkingAudi S5 — Audi S5 is narrower by 3.8 in
  • Smaller exterior footprintAudi S5 — Based on length × width (Audi S5)

Dimension comparison

SpecBMW i8Audi S5Difference
Length184.9 in186.1 in1.2 in
Width76.5 in72.7 in3.8 in
Height50.8 in54.3 in3.5 in
Wheelbase110.2 in110.0 in0.2 in
Ground clearance4.6 in——
Curb weight3,455 lb4,007 lb552 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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