Spec Sizes

Buick Regal vs Cadillac ATS Dimensions & Size Comparison

Comparing 2013 catalog dimensions. Buick Regal · Cadillac ATS

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

Side view
  • Length190.2 in
  • Height58.0 in – 58.4 in
  • Wheelbase107.8 in
  • Curb weight3,600 lb – 3,710 lb
Front / width
  • Width73.1 in
  • Cadillac ATS width71.1 in

Which is bigger?

  • Length: Cadillac ATS is 7.4 in shorter (190.2 in vs 182.8 in)
  • Width: Cadillac ATS is 2.0 in narrower (73.1 in vs 71.1 in)
  • Height: Buick Regal is 2.1 in taller (58.2 in vs 56.1 in)
  • Wheelbase: Cadillac ATS has a 1.5 in longer wheelbase (107.8 in vs 109.3 in)
  • Curb weight: Buick Regal is 208 lb heavier (3,655 lb vs 3,448 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 208 lb heavier (3,655 lb vs 3,448 lb)
  2. Length: Cadillac ATS is 7.4 in shorter (190.2 in vs 182.8 in)
  3. Height: Buick Regal is 2.1 in taller (58.2 in vs 56.1 in)
  4. Width: Cadillac ATS is 2.0 in narrower (73.1 in vs 71.1 in)
  5. Wheelbase: Cadillac ATS has a 1.5 in longer wheelbase (107.8 in vs 109.3 in)

Practical verdicts

  • Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 7.4 in Check garage fit for Buick Regal · garage fit for Cadillac ATS
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 2.0 in
  • Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)

Dimension comparison

SpecBuick RegalCadillac ATSDifference
Length190.2 in182.8 in7.4 in
Width73.1 in71.1 in2.0 in
Height58.2 in56.1 in2.1 in
Wheelbase107.8 in109.3 in1.5 in
Curb weight3,655 lb3,448 lb208 lb

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

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Overlapping model years with dimension data.

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