Spec Sizes

Buick Regal vs Cadillac ATS Dimensions & Size Comparison

Comparing 2016 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
  • Ground clearance5.5 in
  • Curb weight3,600 lb – 3,959 lb
Front / width
  • Width73.1 in
  • Cadillac ATS width71.1 in – 72.5 in

Which is bigger?

  • Length: Cadillac ATS is 7.0 in shorter (190.2 in vs 183.2 in)
  • Width: Cadillac ATS is 1.3 in narrower (73.1 in vs 71.8 in)
  • Height: Buick Regal is 2.6 in taller (58.2 in vs 55.6 in)
  • Wheelbase: Cadillac ATS has a 1.5 in longer wheelbase (107.8 in vs 109.3 in)
  • Ground clearance: Cadillac ATS has 0.4 in more ground clearance (5.5 in vs 5.9 in)
  • Curb weight: Buick Regal is 274 lb heavier (3,780 lb vs 3,506 lb)

Biggest size differences

  1. Curb weight: Buick Regal is 274 lb heavier (3,780 lb vs 3,506 lb)
  2. Ground clearance: Cadillac ATS has 0.4 in more ground clearance (5.5 in vs 5.9 in)
  3. Height: Buick Regal is 2.6 in taller (58.2 in vs 55.6 in)
  4. Length: Cadillac ATS is 7.0 in shorter (190.2 in vs 183.2 in)
  5. Width: Cadillac ATS is 1.3 in narrower (73.1 in vs 71.8 in)

Practical verdicts

  • Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 7.0 in Check garage fit for Buick Regal · garage fit for Cadillac ATS
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 1.3 in
  • More ground clearanceCadillac ATS — Cadillac ATS has 0.4 in more clearance
  • Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)

Dimension comparison

SpecBuick RegalCadillac ATSDifference
Length190.2 in183.2 in7.0 in
Width73.1 in71.8 in1.3 in
Height58.2 in55.6 in2.6 in
Wheelbase107.8 in109.3 in1.5 in
Ground clearance5.5 in5.9 in0.4 in
Curb weight3,780 lb3,506 lb274 lb

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

Compare by year

Overlapping model years with dimension data.

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