Buick Regal Sportback vs Cadillac ATS Dimensions & Size Comparison
Comparing 2020 vs 2019 catalog dimensions. Buick Regal Sportback · Cadillac ATS
- Length192.9 in
- Height57.3 in
- Wheelbase111.4 in
- Curb weight3,748 lb – 4,270 lb
- Width73.3 in
- Cadillac ATS width72.5 in
Which is bigger?
- Length: Cadillac ATS is 9.3 in shorter (192.9 in vs 183.6 in)
- Width: Cadillac ATS is 0.8 in narrower (73.3 in vs 72.5 in)
- Height: Buick Regal Sportback is 2.3 in taller (57.3 in vs 55.0 in)
- Wheelbase: Buick Regal Sportback has a 2.1 in longer wheelbase (111.4 in vs 109.3 in)
- Curb weight: Buick Regal Sportback is 454 lb heavier (4,009 lb vs 3,556 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 454 lb heavier (4,009 lb vs 3,556 lb)
- Length: Cadillac ATS is 9.3 in shorter (192.9 in vs 183.6 in)
- Height: Buick Regal Sportback is 2.3 in taller (57.3 in vs 55.0 in)
- Wheelbase: Buick Regal Sportback has a 2.1 in longer wheelbase (111.4 in vs 109.3 in)
- Width: Cadillac ATS is 0.8 in narrower (73.3 in vs 72.5 in)
Practical verdicts
- Easier to fit in a short garageCadillac ATS — Cadillac ATS is shorter by 9.3 in Check garage fit for Buick Regal Sportback · garage fit for Cadillac ATS
- Narrower for tight parkingCadillac ATS — Cadillac ATS is narrower by 0.8 in
- Smaller exterior footprintCadillac ATS — Based on length × width (Cadillac ATS)
Dimension comparison
| Spec | Buick Regal Sportback | Cadillac ATS | Difference |
|---|---|---|---|
| Length | 192.9 in | 183.6 in | 9.3 in |
| Width | 73.3 in | 72.5 in | 0.8 in |
| Height | 57.3 in | 55.0 in | 2.3 in |
| Wheelbase | 111.4 in | 109.3 in | 2.1 in |
| Curb weight | 4,009 lb | 3,556 lb | 454 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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