Spec Sizes

BMW M3 vs Cadillac CT4 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW M3 · Cadillac CT4

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

Side view
  • Length189.1 in
  • Height56.4 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,890 lb
Front / width
  • Width74.3 in
  • Cadillac CT4 width71.4 in

Which is bigger?

  • Length: Cadillac CT4 is 1.9 in shorter (189.1 in vs 187.2 in)
  • Width: Cadillac CT4 is 2.9 in narrower (74.3 in vs 71.4 in)
  • Height: BMW M3 is 0.4 in taller (56.4 in vs 56.0 in)
  • Wheelbase: BMW M3 has a 3.2 in longer wheelbase (112.5 in vs 109.3 in)
  • Curb weight: BMW M3 is 274 lb heavier (3,865 lb vs 3,592 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 274 lb heavier (3,865 lb vs 3,592 lb)
  2. Width: Cadillac CT4 is 2.9 in narrower (74.3 in vs 71.4 in)
  3. Wheelbase: BMW M3 has a 3.2 in longer wheelbase (112.5 in vs 109.3 in)
  4. Length: Cadillac CT4 is 1.9 in shorter (189.1 in vs 187.2 in)
  5. Height: BMW M3 is 0.4 in taller (56.4 in vs 56.0 in)

Practical verdicts

  • Easier to fit in a short garageCadillac CT4 — Cadillac CT4 is shorter by 1.9 in Check garage fit for BMW M3 · garage fit for Cadillac CT4
  • Narrower for tight parkingCadillac CT4 — Cadillac CT4 is narrower by 2.9 in
  • Smaller exterior footprintCadillac CT4 — Based on length × width (Cadillac CT4)

Dimension comparison

SpecBMW M3Cadillac CT4Difference
Length189.1 in187.2 in1.9 in
Width74.3 in71.4 in2.9 in
Height56.4 in56.0 in0.4 in
Wheelbase112.5 in109.3 in3.2 in
Curb weight3,865 lb3,592 lb274 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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