BMW i8 vs Audi S5 Dimensions & Size Comparison

Comparing 2017 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 width73.0 in

Which is bigger?

  • Length: Audi S5 is 2.2 in shorter (184.9 in vs 182.7 in)
  • Width: Audi S5 is 3.5 in narrower (76.5 in vs 73.0 in)
  • Height: Audi S5 is 3.3 in taller (50.8 in vs 54.1 in)
  • Wheelbase: BMW i8 has a 1.9 in longer wheelbase (110.2 in vs 108.3 in)
  • Ground clearance: BMW i8 has 0.5 in more ground clearance (4.6 in vs 4.1 in)
  • Curb weight: Audi S5 is 629 lb heavier (3,455 lb vs 4,084 lb)

Biggest size differences

  1. Curb weight: Audi S5 is 629 lb heavier (3,455 lb vs 4,084 lb)
  2. Ground clearance: BMW i8 has 0.5 in more ground clearance (4.6 in vs 4.1 in)
  3. Height: Audi S5 is 3.3 in taller (50.8 in vs 54.1 in)
  4. Width: Audi S5 is 3.5 in narrower (76.5 in vs 73.0 in)
  5. Wheelbase: BMW i8 has a 1.9 in longer wheelbase (110.2 in vs 108.3 in)

Practical verdicts

  • Easier to fit in a short garageAudi S5Audi S5 is shorter by 2.2 in Check garage fit for BMW i8 · garage fit for Audi S5
  • Narrower for tight parkingAudi S5Audi S5 is narrower by 3.5 in
  • More ground clearanceBMW i8BMW i8 has 0.5 in more clearance
  • Smaller exterior footprintAudi S5Based on length × width (Audi S5)

Dimension comparison

SpecBMW i8Audi S5Difference
Length184.9 in182.7 in2.2 in
Width76.5 in73.0 in3.5 in
Height50.8 in54.1 in3.3 in
Wheelbase110.2 in108.3 in1.9 in
Ground clearance4.6 in4.1 in0.5 in
Curb weight3,455 lb4,084 lb629 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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