Spec Sizes

Cadillac CTS vs BMW M3 Dimensions & Size Comparison

Comparing 2012 catalog dimensions. Cadillac CTS · BMW M3

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

Side view
  • Length188.5 in – 192.0 in
  • Height56.0 in – 58.0 in
  • Wheelbase113.4 in
  • Curb weight3,849 lb – 4,306 lb
Front / width
  • Width72.5 in – 74.1 in
  • BMW M3 width71.0 in

Which is bigger?

  • Length: BMW M3 is 8.4 in shorter (190.3 in vs 181.8 in)
  • Width: BMW M3 is 2.3 in narrower (73.3 in vs 71.0 in)
  • Height: Cadillac CTS is 1.7 in taller (57.0 in vs 55.3 in)
  • Wheelbase: Cadillac CTS has a 4.7 in longer wheelbase (113.4 in vs 108.7 in)
  • Curb weight: Cadillac CTS is 153 lb heavier (4,078 lb vs 3,925 lb)

Biggest size differences

  1. Length: BMW M3 is 8.4 in shorter (190.3 in vs 181.8 in)
  2. Wheelbase: Cadillac CTS has a 4.7 in longer wheelbase (113.4 in vs 108.7 in)
  3. Curb weight: Cadillac CTS is 153 lb heavier (4,078 lb vs 3,925 lb)
  4. Width: BMW M3 is 2.3 in narrower (73.3 in vs 71.0 in)
  5. Height: Cadillac CTS is 1.7 in taller (57.0 in vs 55.3 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 8.4 in Check garage fit for Cadillac CTS · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 2.3 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecCadillac CTSBMW M3Difference
Length190.3 in181.8 in8.4 in
Width73.3 in71.0 in2.3 in
Height57.0 in55.3 in1.7 in
Wheelbase113.4 in108.7 in4.7 in
Curb weight4,078 lb3,925 lb153 lb

Values use trim midpoints when a model year lists a range (e.g. length 188.5 in – 192.0 in).

Compare by year

Overlapping model years with dimension data.

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