Spec Sizes

Cadillac CTS vs BMW M3 Dimensions & Size Comparison

Comparing 2010 catalog dimensions. Cadillac CTS · BMW M3

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

Side view
  • Length191.6 in
  • Height58.0 in – 59.2 in
  • Wheelbase113.4 in
  • Curb weight3,861 lb – 3,874 lb
Front / width
  • Width72.5 in – 72.6 in
  • BMW M3 width71.0 in – 71.5 in

Which is bigger?

  • Length: BMW M3 is 10.5 in shorter (191.6 in vs 181.1 in)
  • Width: BMW M3 is 1.3 in narrower (72.5 in vs 71.3 in)
  • Height: Cadillac CTS is 2.7 in taller (58.6 in vs 55.9 in)
  • Wheelbase: Cadillac CTS has a 4.7 in longer wheelbase (113.4 in vs 108.7 in)
  • Curb weight: BMW M3 is 57 lb heavier (3,868 lb vs 3,925 lb)

Biggest size differences

  1. Length: BMW M3 is 10.5 in shorter (191.6 in vs 181.1 in)
  2. Height: Cadillac CTS is 2.7 in taller (58.6 in vs 55.9 in)
  3. Wheelbase: Cadillac CTS has a 4.7 in longer wheelbase (113.4 in vs 108.7 in)
  4. Width: BMW M3 is 1.3 in narrower (72.5 in vs 71.3 in)
  5. Curb weight: BMW M3 is 57 lb heavier (3,868 lb vs 3,925 lb)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 10.5 in Check garage fit for Cadillac CTS · garage fit for BMW M3
  • Narrower for tight parkingBMW M3 — BMW M3 is narrower by 1.3 in
  • Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)

Dimension comparison

SpecCadillac CTSBMW M3Difference
Length191.6 in181.1 in10.5 in
Width72.5 in71.3 in1.3 in
Height58.6 in55.9 in2.7 in
Wheelbase113.4 in108.7 in4.7 in
Curb weight3,868 lb3,925 lb57 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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