Spec Sizes

BMW M3 vs Cadillac CT4 Dimensions & Size Comparison

Comparing 2018 vs 2023 catalog dimensions. BMW M3 · Cadillac CT4

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

Side view
  • Length184.5 in
  • Height56.1 in
  • Wheelbase110.7 in
  • Ground clearance4.7 in
  • Curb weight3,540 lb
Front / width
  • Width73.9 in
  • Cadillac CT4 width71.4 in

Which is bigger?

  • Length: BMW M3 is 2.7 in shorter (184.5 in vs 187.2 in)
  • Width: Cadillac CT4 is 2.5 in narrower (73.9 in vs 71.4 in)
  • Height: BMW M3 is 0.1 in taller (56.1 in vs 56.0 in)
  • Wheelbase: BMW M3 has a 1.4 in longer wheelbase (110.7 in vs 109.3 in)
  • Curb weight: BMW M3 is 18 lb heavier (3,540 lb vs 3,522 lb)

Biggest size differences

  1. Width: Cadillac CT4 is 2.5 in narrower (73.9 in vs 71.4 in)
  2. Length: BMW M3 is 2.7 in shorter (184.5 in vs 187.2 in)
  3. Wheelbase: BMW M3 has a 1.4 in longer wheelbase (110.7 in vs 109.3 in)
  4. Curb weight: BMW M3 is 18 lb heavier (3,540 lb vs 3,522 lb)
  5. Height: BMW M3 is 0.1 in taller (56.1 in vs 56.0 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.7 in Check garage fit for BMW M3 · garage fit for Cadillac CT4
  • Narrower for tight parkingCadillac CT4 — Cadillac CT4 is narrower by 2.5 in
  • Smaller exterior footprintCadillac CT4 — Based on length × width (Cadillac CT4)

Dimension comparison

SpecBMW M3Cadillac CT4Difference
Length184.5 in187.2 in2.7 in
Width73.9 in71.4 in2.5 in
Height56.1 in56.0 in0.1 in
Wheelbase110.7 in109.3 in1.4 in
Ground clearance4.7 in——
Curb weight3,540 lb3,522 lb18 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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