Spec Sizes

BMW M4 vs Cadillac ATS Dimensions & Size Comparison

Comparing 2019 catalog dimensions. BMW M4 · Cadillac ATS

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

Side view
  • Length184.5 in – 184.6 in
  • Height54.4 in – 54.8 in
  • Wheelbase110.7 in
  • Curb weight3,620 lb – 4,070 lb
Front / width
  • Width73.6 in – 79.3 in
  • Cadillac ATS width72.5 in

Which is bigger?

  • Length: Cadillac ATS is 1.0 in shorter (184.6 in vs 183.6 in)
  • Width: Cadillac ATS is 3.9 in narrower (76.4 in vs 72.5 in)
  • Height: Cadillac ATS is 0.5 in taller (54.6 in vs 55.0 in)
  • Wheelbase: BMW M4 has a 1.4 in longer wheelbase (110.7 in vs 109.3 in)
  • Curb weight: BMW M4 is 290 lb heavier (3,845 lb vs 3,556 lb)

Biggest size differences

  1. Curb weight: BMW M4 is 290 lb heavier (3,845 lb vs 3,556 lb)
  2. Width: Cadillac ATS is 3.9 in narrower (76.4 in vs 72.5 in)
  3. Wheelbase: BMW M4 has a 1.4 in longer wheelbase (110.7 in vs 109.3 in)
  4. Height: Cadillac ATS is 0.5 in taller (54.6 in vs 55.0 in)
  5. Length: Cadillac ATS is 1.0 in shorter (184.6 in vs 183.6 in)

Practical verdicts

  • Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 1.0 in Check garage fit for BMW M4 · garage fit for Cadillac ATS
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 3.9 in
  • Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)

Dimension comparison

SpecBMW M4Cadillac ATSDifference
Length184.6 in183.6 in1.0 in
Width76.4 in72.5 in3.9 in
Height54.6 in55.0 in0.5 in
Wheelbase110.7 in109.3 in1.4 in
Curb weight3,845 lb3,556 lb290 lb

Values use trim midpoints when a model year lists a range (e.g. length 184.5 in – 184.6 in).

Compare by year

Overlapping model years with dimension data.

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