Spec Sizes

BMW M3 vs Cadillac CT5 Dimensions & Size Comparison

Comparing 2023 vs 2022 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 – 56.5 in
  • Wheelbase112.5 in
  • Curb weight3,840 lb – 3,990 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 (56.5 in vs 57.2 in)
  • Wheelbase: Cadillac CT5 has a 3.5 in longer wheelbase (112.5 in vs 116.0 in)
  • Curb weight: BMW M3 is 172 lb heavier (3,915 lb vs 3,743 lb)

Biggest size differences

  1. Curb weight: BMW M3 is 172 lb heavier (3,915 lb vs 3,743 lb)
  2. Wheelbase: Cadillac CT5 has a 3.5 in longer wheelbase (112.5 in vs 116.0 in)
  3. Length: BMW M3 is 4.7 in shorter (189.1 in vs 193.8 in)
  4. Height: Cadillac CT5 is 0.8 in taller (56.5 in vs 57.2 in)
  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
Height56.5 in57.2 in0.8 in
Wheelbase112.5 in116.0 in3.5 in
Curb weight3,915 lb3,743 lb172 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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