Spec Sizes

BMW i8 vs Audi RS 5 Dimensions & Size Comparison

Comparing 2020 vs 2023 catalog dimensions. BMW i8 · Audi RS 5

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

Side view
  • Length184.9 in
  • Height50.7 in – 50.8 in
  • Wheelbase110.2 in
  • Curb weight3,501 lb – 3,671 lb
Front / width
  • Width76.5 in
  • Audi RS 5 width73.5 in

Which is bigger?

  • Length: BMW i8 is 2.3 in shorter (184.9 in vs 187.2 in)
  • Width: Audi RS 5 is 3.0 in narrower (76.5 in vs 73.5 in)
  • Height: Audi RS 5 is 3.8 in taller (50.8 in vs 54.5 in)
  • Wheelbase: BMW i8 has a 0.1 in longer wheelbase (110.2 in vs 110.1 in)
  • Curb weight: Audi RS 5 is 449 lb heavier (3,586 lb vs 4,035 lb)

Biggest size differences

  1. Curb weight: Audi RS 5 is 449 lb heavier (3,586 lb vs 4,035 lb)
  2. Height: Audi RS 5 is 3.8 in taller (50.8 in vs 54.5 in)
  3. Width: Audi RS 5 is 3.0 in narrower (76.5 in vs 73.5 in)
  4. Length: BMW i8 is 2.3 in shorter (184.9 in vs 187.2 in)
  5. Wheelbase: BMW i8 has a 0.1 in longer wheelbase (110.2 in vs 110.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW i8 — BMW i8 is shorter by 2.3 in Check garage fit for BMW i8 · garage fit for Audi RS 5
  • Narrower for tight parkingAudi RS 5 — Audi RS 5 is narrower by 3.0 in
  • Smaller exterior footprintAudi RS 5 — Based on length × width (Audi RS 5)

Dimension comparison

SpecBMW i8Audi RS 5Difference
Length184.9 in187.2 in2.3 in
Width76.5 in73.5 in3.0 in
Height50.8 in54.5 in3.8 in
Wheelbase110.2 in110.1 in0.1 in
Curb weight3,586 lb4,035 lb449 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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