Spec Sizes

Buick Riviera vs Cadillac CT6 Dimensions & Size Comparison

Comparing 1999 vs 2020 catalog dimensions. Buick Riviera · Cadillac CT6

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

Side view
  • Length207.2 in
  • Height54.6 in
  • Wheelbase113.8 in
  • Curb weight3,713 lb
Front / width
  • Width75.0 in
  • Cadillac CT6 width74.0 in

Which is bigger?

  • Length: Cadillac CT6 is 1.4 in shorter (207.2 in vs 205.8 in)
  • Width: Cadillac CT6 is 1.0 in narrower (75.0 in vs 74.0 in)
  • Height: Cadillac CT6 is 3.4 in taller (54.6 in vs 58.0 in)
  • Wheelbase: Cadillac CT6 has a 8.6 in longer wheelbase (113.8 in vs 122.4 in)
  • Curb weight: Buick Riviera is 1,741 lb heavier (3,713 lb vs 1,973 lb)

Biggest size differences

  1. Curb weight: Buick Riviera is 1,741 lb heavier (3,713 lb vs 1,973 lb)
  2. Wheelbase: Cadillac CT6 has a 8.6 in longer wheelbase (113.8 in vs 122.4 in)
  3. Height: Cadillac CT6 is 3.4 in taller (54.6 in vs 58.0 in)
  4. Width: Cadillac CT6 is 1.0 in narrower (75.0 in vs 74.0 in)
  5. Length: Cadillac CT6 is 1.4 in shorter (207.2 in vs 205.8 in)

Practical verdicts

  • Easier to fit in a short garageCadillac CT6 — Cadillac CT6 is shorter by 1.4 in Check garage fit for Buick Riviera · garage fit for Cadillac CT6
  • Narrower for tight parkingCadillac CT6 — Cadillac CT6 is narrower by 1.0 in
  • Smaller exterior footprintCadillac CT6 — Based on length × width (Cadillac CT6)

Dimension comparison

SpecBuick RivieraCadillac CT6Difference
Length207.2 in205.8 in1.4 in
Width75.0 in74.0 in1.0 in
Height54.6 in58.0 in3.4 in
Wheelbase113.8 in122.4 in8.6 in
Curb weight3,713 lb1,973 lb1,741 lb

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

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