Spec Sizes

Audi A5 vs BMW M8 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. Audi A5 · 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 weight3,682 lb – 3,990 lb
Front / width
  • Width72.6 in – 72.7 in
  • BMW M8 width74.9 in

Which is bigger?

  • Length: Audi A5 is 5.1 in shorter (186.1 in vs 191.2 in)
  • Width: Audi A5 is 2.3 in narrower (72.7 in vs 74.9 in)
  • Height: Audi A5 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 592 lb heavier (3,836 lb vs 4,428 lb)

Biggest size differences

  1. Curb weight: BMW M8 is 592 lb heavier (3,836 lb vs 4,428 lb)
  2. Width: Audi A5 is 2.3 in narrower (72.7 in vs 74.9 in)
  3. Length: Audi A5 is 5.1 in shorter (186.1 in vs 191.2 in)
  4. Height: Audi A5 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 A5 — Audi A5 is shorter by 5.1 in Check garage fit for Audi A5 · garage fit for BMW M8
  • Narrower for tight parkingAudi A5 — Audi A5 is narrower by 2.3 in
  • Smaller exterior footprintAudi A5 — Based on length × width (Audi A5)

Dimension comparison

SpecAudi A5BMW 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 weight3,836 lb4,428 lb592 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.

Already own one of these cars?

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