Kia Optima vs Buick Regal Dimensions & Size Comparison
Comparing 2014 vs 2017 catalog dimensions. Kia Optima · Buick Regal
- Length190.7 in
- Height57.1 in
- Wheelbase110.0 in
- Curb weight3,237 lb – 3,468 lb
- Width72.1 in
- Buick Regal width73.1 in
Which is bigger?
- Length: Buick Regal is 0.5 in shorter (190.7 in vs 190.2 in)
- Width: Kia Optima is 1.0 in narrower (72.1 in vs 73.1 in)
- Height: Buick Regal is 1.1 in taller (57.1 in vs 58.2 in)
- Wheelbase: Kia Optima has a 2.2 in longer wheelbase (110.0 in vs 107.8 in)
- Curb weight: Buick Regal is 438 lb heavier (3,353 lb vs 3,791 lb)
Biggest size differences
- Curb weight: Buick Regal is 438 lb heavier (3,353 lb vs 3,791 lb)
- Wheelbase: Kia Optima has a 2.2 in longer wheelbase (110.0 in vs 107.8 in)
- Height: Buick Regal is 1.1 in taller (57.1 in vs 58.2 in)
- Width: Kia Optima is 1.0 in narrower (72.1 in vs 73.1 in)
- Length: Buick Regal is 0.5 in shorter (190.7 in vs 190.2 in)
Practical verdicts
- Easier to fit in a short garageBuick Regal — Buick Regal is shorter by 0.5 in Check garage fit for Kia Optima · garage fit for Buick Regal
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.0 in
- Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)
Dimension comparison
| Spec | Kia Optima | Buick Regal | Difference |
|---|---|---|---|
| Length | 190.7 in | 190.2 in | 0.5 in |
| Width | 72.1 in | 73.1 in | 1.0 in |
| Height | 57.1 in | 58.2 in | 1.1 in |
| Wheelbase | 110.0 in | 107.8 in | 2.2 in |
| Ground clearance | — | 5.5 in | — |
| Curb weight | 3,353 lb | 3,791 lb | 438 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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