Spec Sizes

Cadillac ATS vs Mazda Mazda3 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Cadillac ATS · Mazda Mazda3

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

Side view
  • Length182.8 in – 183.6 in
  • Height54.8 in – 56.4 in
  • Wheelbase109.3 in
  • Ground clearance5.9 in
  • Curb weight3,373 lb – 3,693 lb
Front / width
  • Width71.1 in – 72.5 in
  • Mazda Mazda3 width70.7 in

Which is bigger?

  • Length: Mazda Mazda3 is 5.3 in shorter (183.2 in vs 177.9 in)
  • Width: Mazda Mazda3 is 1.1 in narrower (71.8 in vs 70.7 in)
  • Height: Mazda Mazda3 is 1.7 in taller (55.6 in vs 57.3 in)
  • Wheelbase: Cadillac ATS has a 3.0 in longer wheelbase (109.3 in vs 106.3 in)
  • Ground clearance: Mazda Mazda3 has 0.2 in more ground clearance (5.9 in vs 6.1 in)
  • Curb weight: Cadillac ATS is 573 lb heavier (3,533 lb vs 2,961 lb)

Biggest size differences

  1. Curb weight: Cadillac ATS is 573 lb heavier (3,533 lb vs 2,961 lb)
  2. Ground clearance: Mazda Mazda3 has 0.2 in more ground clearance (5.9 in vs 6.1 in)
  3. Height: Mazda Mazda3 is 1.7 in taller (55.6 in vs 57.3 in)
  4. Length: Mazda Mazda3 is 5.3 in shorter (183.2 in vs 177.9 in)
  5. Wheelbase: Cadillac ATS has a 3.0 in longer wheelbase (109.3 in vs 106.3 in)

Practical verdicts

  • Easier to fit in a short garageMazda Mazda3 — Mazda Mazda3 is shorter by 5.3 in Check garage fit for Cadillac ATS · garage fit for Mazda Mazda3
  • Narrower for tight parkingMazda Mazda3 — Mazda Mazda3 is narrower by 1.1 in
  • More ground clearanceMazda Mazda3 — Mazda Mazda3 has 0.2 in more clearance
  • Smaller exterior footprintMazda Mazda3 — Based on length × width (Mazda Mazda3)

Dimension comparison

SpecCadillac ATSMazda Mazda3Difference
Length183.2 in177.9 in5.3 in
Width71.8 in70.7 in1.1 in
Height55.6 in57.3 in1.7 in
Wheelbase109.3 in106.3 in3.0 in
Ground clearance5.9 in6.1 in0.2 in
Curb weight3,533 lb2,961 lb573 lb

Values use trim midpoints when a model year lists a range (e.g. length 182.8 in – 183.6 in).

Compare by year

Overlapping model years with dimension data.

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