Spec Sizes

Cadillac CT6 vs BMW M5 Dimensions & Size Comparison

Comparing 2016 catalog dimensions. Cadillac CT6 · BMW M5

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

Side view
  • Length204.0 in
  • Height57.9 in
  • Wheelbase122.4 in
  • Curb weight3,647 lb – 4,261 lb
Front / width
  • Width74.0 in
  • BMW M5 width74.4 in

Which is bigger?

  • Length: BMW M5 is 10.5 in shorter (204.0 in vs 193.5 in)
  • Width: Cadillac CT6 is 0.4 in narrower (74.0 in vs 74.4 in)
  • Height: Cadillac CT6 is 0.6 in taller (57.9 in vs 57.3 in)
  • Wheelbase: Cadillac CT6 has a 5.7 in longer wheelbase (122.4 in vs 116.7 in)
  • Curb weight: BMW M5 is 433 lb heavier (3,954 lb vs 4,387 lb)

Biggest size differences

  1. Curb weight: BMW M5 is 433 lb heavier (3,954 lb vs 4,387 lb)
  2. Length: BMW M5 is 10.5 in shorter (204.0 in vs 193.5 in)
  3. Wheelbase: Cadillac CT6 has a 5.7 in longer wheelbase (122.4 in vs 116.7 in)
  4. Height: Cadillac CT6 is 0.6 in taller (57.9 in vs 57.3 in)
  5. Width: Cadillac CT6 is 0.4 in narrower (74.0 in vs 74.4 in)

Practical verdicts

  • Easier to fit in a short garageBMW M5 — BMW M5 is shorter by 10.5 in Check garage fit for Cadillac CT6 · garage fit for BMW M5
  • Narrower for tight parkingCadillac CT6 — Cadillac CT6 is narrower by 0.4 in
  • Smaller exterior footprintBMW M5 — Based on length × width (BMW M5)

Dimension comparison

SpecCadillac CT6BMW M5Difference
Length204.0 in193.5 in10.5 in
Width74.0 in74.4 in0.4 in
Height57.9 in57.3 in0.6 in
Wheelbase122.4 in116.7 in5.7 in
Ground clearance—4.6 in—
Curb weight3,954 lb4,387 lb433 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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