Spec Sizes

BMW M3 vs Cadillac CT5 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. BMW M3 · Cadillac CT5

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 CT5 width74.1 in

Which is bigger?

  • Length: BMW M3 is 4.7 in shorter (189.1 in vs 193.8 in)
  • Width: Cadillac CT5 is 0.2 in narrower (74.3 in vs 74.1 in)
  • Height: Cadillac CT5 is 0.8 in taller (56.4 in vs 57.2 in)
  • Wheelbase: Cadillac CT5 has a 3.5 in longer wheelbase (112.5 in vs 116.0 in)
  • Curb weight: Cadillac CT5 is 37 lb heavier (3,865 lb vs 3,902 lb)

Biggest size differences

  1. Wheelbase: Cadillac CT5 has a 3.5 in longer wheelbase (112.5 in vs 116.0 in)
  2. Length: BMW M3 is 4.7 in shorter (189.1 in vs 193.8 in)
  3. Height: Cadillac CT5 is 0.8 in taller (56.4 in vs 57.2 in)
  4. Curb weight: Cadillac CT5 is 37 lb heavier (3,865 lb vs 3,902 lb)
  5. Width: Cadillac CT5 is 0.2 in narrower (74.3 in vs 74.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 4.7 in Check garage fit for BMW M3 · garage fit for Cadillac CT5
  • Narrower for tight parkingCadillac CT5 — Cadillac CT5 is narrower by 0.2 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecBMW M3Cadillac CT5Difference
Length189.1 in193.8 in4.7 in
Width74.3 in74.1 in0.2 in
Height56.4 in57.2 in0.8 in
Wheelbase112.5 in116.0 in3.5 in
Curb weight3,865 lb3,902 lb37 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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