Spec Sizes

Audi A6 vs BMW M5 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Audi A6 · BMW M5

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

Side view
  • Length194.4 in
  • Height57.4 in
  • Wheelbase115.1 in
  • Ground clearance4.2 in
  • Curb weight4,101 lb – 4,266 lb
Front / width
  • Width74.3 in
  • BMW M5 width74.9 in

Which is bigger?

  • Length: Audi A6 is 2.0 in shorter (194.4 in vs 196.4 in)
  • Width: Audi A6 is 0.6 in narrower (74.3 in vs 74.9 in)
  • Height: BMW M5 is 0.6 in taller (57.4 in vs 58.0 in)
  • Wheelbase: BMW M5 has a 2.3 in longer wheelbase (115.1 in vs 117.4 in)
  • Curb weight: BMW M5 is 162 lb heavier (4,184 lb vs 4,345 lb)

Biggest size differences

  1. Curb weight: BMW M5 is 162 lb heavier (4,184 lb vs 4,345 lb)
  2. Wheelbase: BMW M5 has a 2.3 in longer wheelbase (115.1 in vs 117.4 in)
  3. Height: BMW M5 is 0.6 in taller (57.4 in vs 58.0 in)
  4. Length: Audi A6 is 2.0 in shorter (194.4 in vs 196.4 in)
  5. Width: Audi A6 is 0.6 in narrower (74.3 in vs 74.9 in)

Practical verdicts

  • Easier to fit in a short garageAudi A6 — Audi A6 is shorter by 2.0 in Check garage fit for Audi A6 · garage fit for BMW M5
  • Narrower for tight parkingAudi A6 — Audi A6 is narrower by 0.6 in
  • Smaller exterior footprintAudi A6 — Based on length × width (Audi A6)

Dimension comparison

SpecAudi A6BMW M5Difference
Length194.4 in196.4 in2.0 in
Width74.3 in74.9 in0.6 in
Height57.4 in58.0 in0.6 in
Wheelbase115.1 in117.4 in2.3 in
Ground clearance4.2 in——
Curb weight4,184 lb4,345 lb162 lb

Values use trim midpoints when a model year lists a range.

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.