Spec Sizes

Cadillac CTS vs BMW M3 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Cadillac CTS · BMW M3

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

Side view
  • Length195.5 in
  • Height57.2 in
  • Wheelbase114.6 in
  • Ground clearance5.9 in
  • Curb weight3,652 lb – 4,016 lb
Front / width
  • Width72.2 in
  • BMW M3 width73.9 in

Which is bigger?

  • Length: BMW M3 is 11.0 in shorter (195.5 in vs 184.5 in)
  • Width: Cadillac CTS is 1.7 in narrower (72.2 in vs 73.9 in)
  • Height: Cadillac CTS is 1.1 in taller (57.2 in vs 56.1 in)
  • Wheelbase: Cadillac CTS has a 3.9 in longer wheelbase (114.6 in vs 110.7 in)
  • Ground clearance: Cadillac CTS has 1.2 in more ground clearance (5.9 in vs 4.7 in)
  • Curb weight: Cadillac CTS is 294 lb heavier (3,834 lb vs 3,540 lb)

Biggest size differences

  1. Ground clearance: Cadillac CTS has 1.2 in more ground clearance (5.9 in vs 4.7 in)
  2. Curb weight: Cadillac CTS is 294 lb heavier (3,834 lb vs 3,540 lb)
  3. Length: BMW M3 is 11.0 in shorter (195.5 in vs 184.5 in)
  4. Wheelbase: Cadillac CTS has a 3.9 in longer wheelbase (114.6 in vs 110.7 in)
  5. Width: Cadillac CTS is 1.7 in narrower (72.2 in vs 73.9 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 11.0 in Check garage fit for Cadillac CTS · garage fit for BMW M3
  • Narrower for tight parkingCadillac CTS — Cadillac CTS is narrower by 1.7 in
  • More ground clearanceCadillac CTS — Cadillac CTS has 1.2 in more clearance
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecCadillac CTSBMW M3Difference
Length195.5 in184.5 in11.0 in
Width72.2 in73.9 in1.7 in
Height57.2 in56.1 in1.1 in
Wheelbase114.6 in110.7 in3.9 in
Ground clearance5.9 in4.7 in1.2 in
Curb weight3,834 lb3,540 lb294 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.