Cadillac CTS vs Buick Regal Sportback Dimensions & Size Comparison

Comparing 2013 vs 2020 catalog dimensions. Cadillac CTS · Buick Regal Sportback

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

Side view
  • Length188.5 in – 192.0 in
  • Height56.0 in – 58.0 in
  • Wheelbase113.4 in
  • Curb weight3,860 lb – 4,306 lb
Front / width
  • Width72.5 in – 74.1 in
  • Buick Regal Sportback width73.3 in

Which is bigger?

  • Length: Cadillac CTS is 2.7 in shorter (190.3 in vs 192.9 in)
  • Width: essentially the same
  • Height: Buick Regal Sportback is 0.3 in taller (57.0 in vs 57.3 in)
  • Wheelbase: Cadillac CTS has a 2.0 in longer wheelbase (113.4 in vs 111.4 in)
  • Curb weight: Cadillac CTS is 74 lb heavier (4,083 lb vs 4,009 lb)

Biggest size differences

  1. Curb weight: Cadillac CTS is 74 lb heavier (4,083 lb vs 4,009 lb)
  2. Wheelbase: Cadillac CTS has a 2.0 in longer wheelbase (113.4 in vs 111.4 in)
  3. Length: Cadillac CTS is 2.7 in shorter (190.3 in vs 192.9 in)
  4. Height: Buick Regal Sportback is 0.3 in taller (57.0 in vs 57.3 in)

Practical verdicts

Dimension comparison

SpecCadillac CTSBuick Regal SportbackDifference
Length190.3 in192.9 in2.7 in
Width73.3 in73.3 in0.0 in
Height57.0 in57.3 in0.3 in
Wheelbase113.4 in111.4 in2.0 in
Curb weight4,083 lb4,009 lb74 lb

Values use trim midpoints when a model year lists a range (e.g. length 188.5 in – 192.0 in).

Compare by year

Overlapping model years with dimension data.

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