Spec Sizes

Cadillac ATS vs Audi S4 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Cadillac ATS · Audi S4

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

Side view
  • Length182.8 in – 183.6 in
  • Height54.8 in – 56.4 in
  • Wheelbase109.3 in
  • Ground clearance5.9 in
  • Curb weight3,373 lb – 3,693 lb
Front / width
  • Width71.1 in – 72.5 in
  • Audi S4 width72.5 in

Which is bigger?

  • Length: Cadillac ATS is 3.6 in shorter (183.2 in vs 186.8 in)
  • Width: Cadillac ATS is 0.7 in narrower (71.8 in vs 72.5 in)
  • Height: Cadillac ATS is 0.3 in taller (55.6 in vs 55.3 in)
  • Wheelbase: Audi S4 has a 1.9 in longer wheelbase (109.3 in vs 111.2 in)
  • Ground clearance: Cadillac ATS has 1.2 in more ground clearance (5.9 in vs 4.7 in)
  • Curb weight: Audi S4 is 325 lb heavier (3,533 lb vs 3,858 lb)

Biggest size differences

  1. Ground clearance: Cadillac ATS has 1.2 in more ground clearance (5.9 in vs 4.7 in)
  2. Curb weight: Audi S4 is 325 lb heavier (3,533 lb vs 3,858 lb)
  3. Length: Cadillac ATS is 3.6 in shorter (183.2 in vs 186.8 in)
  4. Wheelbase: Audi S4 has a 1.9 in longer wheelbase (109.3 in vs 111.2 in)
  5. Width: Cadillac ATS is 0.7 in narrower (71.8 in vs 72.5 in)

Practical verdicts

  • Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 3.6 in Check garage fit for Cadillac ATS · garage fit for Audi S4
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 0.7 in
  • More ground clearanceCadillac ATS — Cadillac ATS has 1.2 in more clearance
  • Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)

Dimension comparison

SpecCadillac ATSAudi S4Difference
Length183.2 in186.8 in3.6 in
Width71.8 in72.5 in0.7 in
Height55.6 in55.3 in0.3 in
Wheelbase109.3 in111.2 in1.9 in
Ground clearance5.9 in4.7 in1.2 in
Curb weight3,533 lb3,858 lb325 lb

Values use trim midpoints when a model year lists a range (e.g. length 182.8 in – 183.6 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.