Spec Sizes

Buick Regal vs Cadillac ATS Dimensions & Size Comparison

Comparing 2015 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 weight3,692 lb – 3,725 lb
Front / width
  • Width73.1 in
  • Cadillac ATS width72.5 in

Which is bigger?

  • Length: Cadillac ATS is 6.6 in shorter (190.2 in vs 183.6 in)
  • Width: Cadillac ATS is 0.6 in narrower (73.1 in vs 72.5 in)
  • Height: Buick Regal is 3.4 in taller (58.2 in vs 54.8 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 157 lb heavier (3,709 lb vs 3,552 lb)

Biggest size differences

  1. Ground clearance: Cadillac ATS has 0.4 in more ground clearance (5.5 in vs 5.9 in)
  2. Height: Buick Regal is 3.4 in taller (58.2 in vs 54.8 in)
  3. Curb weight: Buick Regal is 157 lb heavier (3,709 lb vs 3,552 lb)
  4. Length: Cadillac ATS is 6.6 in shorter (190.2 in vs 183.6 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 6.6 in Check garage fit for Buick Regal · garage fit for Cadillac ATS
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 0.6 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 in183.6 in6.6 in
Width73.1 in72.5 in0.6 in
Height58.2 in54.8 in3.4 in
Wheelbase107.8 in109.3 in1.5 in
Ground clearance5.5 in5.9 in0.4 in
Curb weight3,709 lb3,552 lb157 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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