Kia Optima vs Buick Regal Sportback Dimensions & Size Comparison
Comparing 2014 vs 2020 catalog dimensions. Kia Optima · Buick Regal Sportback
- Length190.7 in
- Height57.1 in
- Wheelbase110.0 in
- Curb weight3,237 lb – 3,468 lb
- Width72.1 in
- Buick Regal Sportback width73.3 in
Which is bigger?
- Length: Kia Optima is 2.2 in shorter (190.7 in vs 192.9 in)
- Width: Kia Optima is 1.2 in narrower (72.1 in vs 73.3 in)
- Height: Buick Regal Sportback is 0.2 in taller (57.1 in vs 57.3 in)
- Wheelbase: Buick Regal Sportback has a 1.4 in longer wheelbase (110.0 in vs 111.4 in)
- Curb weight: Buick Regal Sportback is 657 lb heavier (3,353 lb vs 4,009 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 657 lb heavier (3,353 lb vs 4,009 lb)
- Width: Kia Optima is 1.2 in narrower (72.1 in vs 73.3 in)
- Wheelbase: Buick Regal Sportback has a 1.4 in longer wheelbase (110.0 in vs 111.4 in)
- Length: Kia Optima is 2.2 in shorter (190.7 in vs 192.9 in)
- Height: Buick Regal Sportback is 0.2 in taller (57.1 in vs 57.3 in)
Practical verdicts
- Easier to fit in a short garageKia Optima — Kia Optima is shorter by 2.2 in Check garage fit for Kia Optima · garage fit for Buick Regal Sportback
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.2 in
- Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)
Dimension comparison
| Spec | Kia Optima | Buick Regal Sportback | Difference |
|---|---|---|---|
| Length | 190.7 in | 192.9 in | 2.2 in |
| Width | 72.1 in | 73.3 in | 1.2 in |
| Height | 57.1 in | 57.3 in | 0.2 in |
| Wheelbase | 110.0 in | 111.4 in | 1.4 in |
| Curb weight | 3,353 lb | 4,009 lb | 657 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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