Buick Regal Sportback vs Kia Optima Dimensions & Size Comparison
Comparing 2018 vs 2020 catalog dimensions. Buick Regal Sportback · Kia Optima
- Length192.9 in
- Height57.3 in
- Wheelbase111.4 in
- Curb weight3,748 lb – 4,096 lb
- Width73.3 in
- Kia Optima width73.2 in
Which is bigger?
- Length: Kia Optima is 1.8 in shorter (192.9 in vs 191.1 in)
- Width: Kia Optima is 0.1 in narrower (73.3 in vs 73.2 in)
- Height: Kia Optima is 0.4 in taller (57.3 in vs 57.7 in)
- Wheelbase: Buick Regal Sportback has a 1.0 in longer wheelbase (111.4 in vs 110.4 in)
- Curb weight: Buick Regal Sportback is 528 lb heavier (3,922 lb vs 3,394 lb)
Biggest size differences
- Curb weight: Buick Regal Sportback is 528 lb heavier (3,922 lb vs 3,394 lb)
- Length: Kia Optima is 1.8 in shorter (192.9 in vs 191.1 in)
- Wheelbase: Buick Regal Sportback has a 1.0 in longer wheelbase (111.4 in vs 110.4 in)
- Height: Kia Optima is 0.4 in taller (57.3 in vs 57.7 in)
- Width: Kia Optima is 0.1 in narrower (73.3 in vs 73.2 in)
Practical verdicts
- Easier to fit in a short garageKia Optima — Kia Optima is shorter by 1.8 in Check garage fit for Buick Regal Sportback · garage fit for Kia Optima
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.1 in
- Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)
Dimension comparison
| Spec | Buick Regal Sportback | Kia Optima | Difference |
|---|---|---|---|
| Length | 192.9 in | 191.1 in | 1.8 in |
| Width | 73.3 in | 73.2 in | 0.1 in |
| Height | 57.3 in | 57.7 in | 0.4 in |
| Wheelbase | 111.4 in | 110.4 in | 1.0 in |
| Ground clearance | — | 5.3 in | — |
| Curb weight | 3,922 lb | 3,394 lb | 528 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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