Cadillac XTS vs Buick Regal Sportback Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Cadillac XTS · Buick Regal Sportback

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

Side view
  • Length200.9 in
  • Height59.4 in
  • Wheelbase111.7 in
  • Curb weight4,021 lb – 4,200 lb
Front / width
  • Width72.9 in
  • Buick Regal Sportback width73.3 in

Which is bigger?

  • Length: Buick Regal Sportback is 8.0 in shorter (200.9 in vs 192.9 in)
  • Width: Cadillac XTS is 0.4 in narrower (72.9 in vs 73.3 in)
  • Height: Cadillac XTS is 2.1 in taller (59.4 in vs 57.3 in)
  • Wheelbase: Cadillac XTS has a 0.3 in longer wheelbase (111.7 in vs 111.4 in)
  • Curb weight: Cadillac XTS is 102 lb heavier (4,111 lb vs 4,009 lb)

Biggest size differences

  1. Length: Buick Regal Sportback is 8.0 in shorter (200.9 in vs 192.9 in)
  2. Height: Cadillac XTS is 2.1 in taller (59.4 in vs 57.3 in)
  3. Curb weight: Cadillac XTS is 102 lb heavier (4,111 lb vs 4,009 lb)
  4. Width: Cadillac XTS is 0.4 in narrower (72.9 in vs 73.3 in)
  5. Wheelbase: Cadillac XTS has a 0.3 in longer wheelbase (111.7 in vs 111.4 in)

Practical verdicts

  • Easier to fit in a short garageBuick Regal SportbackBuick Regal Sportback is shorter by 8.0 in Check garage fit for Cadillac XTS · garage fit for Buick Regal Sportback
  • Narrower for tight parkingCadillac XTSCadillac XTS is narrower by 0.4 in
  • Smaller exterior footprintBuick Regal SportbackBased on length × width (Buick Regal Sportback)

Dimension comparison

SpecCadillac XTSBuick Regal SportbackDifference
Length200.9 in192.9 in8.0 in
Width72.9 in73.3 in0.4 in
Height59.4 in57.3 in2.1 in
Wheelbase111.7 in111.4 in0.3 in
Curb weight4,111 lb4,009 lb102 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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