Audi S8 vs Cadillac CT6 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Audi S8 · Cadillac CT6

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

Side view
  • Length202.6 in
  • Height57.4 in
  • Wheelbase117.9 in
  • Ground clearance4.7 in
  • Curb weight4,685 lb
Front / width
  • Width76.7 in
  • Cadillac CT6 width74.0 in

Which is bigger?

  • Length: Audi S8 is 1.5 in shorter (202.6 in vs 204.1 in)
  • Width: Cadillac CT6 is 2.7 in narrower (76.7 in vs 74.0 in)
  • Height: Cadillac CT6 is 0.6 in taller (57.4 in vs 58.0 in)
  • Wheelbase: Cadillac CT6 has a 4.5 in longer wheelbase (117.9 in vs 122.4 in)
  • Curb weight: Audi S8 is 669 lb heavier (4,685 lb vs 4,016 lb)

Biggest size differences

  1. Curb weight: Audi S8 is 669 lb heavier (4,685 lb vs 4,016 lb)
  2. Wheelbase: Cadillac CT6 has a 4.5 in longer wheelbase (117.9 in vs 122.4 in)
  3. Width: Cadillac CT6 is 2.7 in narrower (76.7 in vs 74.0 in)
  4. Height: Cadillac CT6 is 0.6 in taller (57.4 in vs 58.0 in)
  5. Length: Audi S8 is 1.5 in shorter (202.6 in vs 204.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi S8Audi S8 is shorter by 1.5 in Check garage fit for Audi S8 · garage fit for Cadillac CT6
  • Narrower for tight parkingCadillac CT6Cadillac CT6 is narrower by 2.7 in
  • Smaller exterior footprintCadillac CT6Based on length × width (Cadillac CT6)

Dimension comparison

SpecAudi S8Cadillac CT6Difference
Length202.6 in204.1 in1.5 in
Width76.7 in74.0 in2.7 in
Height57.4 in58.0 in0.6 in
Wheelbase117.9 in122.4 in4.5 in
Ground clearance4.7 in
Curb weight4,685 lb4,016 lb669 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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