Cadillac XTS vs Buick Regal Sportback Dimensions & Size Comparison
Comparing 2018 vs 2020 catalog dimensions. Cadillac XTS · Buick Regal Sportback
- Length200.9 in
- Height59.4 in
- Wheelbase111.7 in
- Ground clearance5.0 in
- Curb weight4,028 lb
- Width72.9 in
- Buick Regal Sportback width73.3 in
Which is bigger?
- Length: Buick Regal Sportback is 8.0 in shorter (200.9 in vs 192.9 in)
- Width: Cadillac XTS is 0.4 in narrower (72.9 in vs 73.3 in)
- Height: Cadillac XTS is 2.1 in taller (59.4 in vs 57.3 in)
- Wheelbase: Cadillac XTS has a 0.3 in longer wheelbase (111.7 in vs 111.4 in)
- Curb weight: Cadillac XTS is 19 lb heavier (4,028 lb vs 4,009 lb)
Biggest size differences
- Length: Buick Regal Sportback is 8.0 in shorter (200.9 in vs 192.9 in)
- Height: Cadillac XTS is 2.1 in taller (59.4 in vs 57.3 in)
- Width: Cadillac XTS is 0.4 in narrower (72.9 in vs 73.3 in)
- Curb weight: Cadillac XTS is 19 lb heavier (4,028 lb vs 4,009 lb)
- Wheelbase: Cadillac XTS has a 0.3 in longer wheelbase (111.7 in vs 111.4 in)
Practical verdicts
- Easier to fit in a short garageBuick Regal Sportback — Buick Regal Sportback is shorter by 8.0 in Check garage fit for Cadillac XTS · garage fit for Buick Regal Sportback
- Narrower for tight parkingCadillac XTS — Cadillac XTS is narrower by 0.4 in
- Smaller exterior footprintBuick Regal Sportback — Based on length × width (Buick Regal Sportback)
Dimension comparison
| Spec | Cadillac XTS | Buick Regal Sportback | Difference |
|---|---|---|---|
| Length | 200.9 in | 192.9 in | 8.0 in |
| Width | 72.9 in | 73.3 in | 0.4 in |
| Height | 59.4 in | 57.3 in | 2.1 in |
| Wheelbase | 111.7 in | 111.4 in | 0.3 in |
| Ground clearance | 5.0 in | — | — |
| Curb weight | 4,028 lb | 4,009 lb | 19 lb |
Values use trim midpoints when a model year lists a range.
Compare by year
Overlapping model years with dimension data.
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.