Spec Sizes

BMW i8 vs Cadillac ATS Dimensions & Size Comparison

Comparing 2015 vs 2019 catalog dimensions. BMW i8 · Cadillac ATS

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

Side view
  • Length184.9 in
  • Height50.8 in
  • Wheelbase110.2 in
  • Ground clearance4.6 in
  • Curb weight3,455 lb
Front / width
  • Width76.5 in
  • Cadillac ATS width72.5 in

Which is bigger?

  • Length: Cadillac ATS is 1.3 in shorter (184.9 in vs 183.6 in)
  • Width: Cadillac ATS is 4.0 in narrower (76.5 in vs 72.5 in)
  • Height: Cadillac ATS is 4.3 in taller (50.8 in vs 55.0 in)
  • Wheelbase: BMW i8 has a 0.9 in longer wheelbase (110.2 in vs 109.3 in)
  • Curb weight: Cadillac ATS is 101 lb heavier (3,455 lb vs 3,556 lb)

Biggest size differences

  1. Height: Cadillac ATS is 4.3 in taller (50.8 in vs 55.0 in)
  2. Width: Cadillac ATS is 4.0 in narrower (76.5 in vs 72.5 in)
  3. Curb weight: Cadillac ATS is 101 lb heavier (3,455 lb vs 3,556 lb)
  4. Wheelbase: BMW i8 has a 0.9 in longer wheelbase (110.2 in vs 109.3 in)
  5. Length: Cadillac ATS is 1.3 in shorter (184.9 in vs 183.6 in)

Practical verdicts

  • Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 1.3 in Check garage fit for BMW i8 · garage fit for Cadillac ATS
  • Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 4.0 in
  • Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)

Dimension comparison

SpecBMW i8Cadillac ATSDifference
Length184.9 in183.6 in1.3 in
Width76.5 in72.5 in4.0 in
Height50.8 in55.0 in4.3 in
Wheelbase110.2 in109.3 in0.9 in
Ground clearance4.6 in——
Curb weight3,455 lb3,556 lb101 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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