Mazda Mazda6 vs Kia Optima Dimensions & Size Comparison
Comparing 2005 catalog dimensions. Mazda Mazda6 · Kia Optima
- Length186.8 in – 187.8 in
- Height56.7 in – 57.3 in
- Wheelbase105.3 in
- Curb weight3,102 lb – 3,461 lb
- Width70.1 in
- Kia Optima width71.5 in
Which is bigger?
- Length: Kia Optima is 1.5 in shorter (187.3 in vs 185.8 in)
- Width: Mazda Mazda6 is 1.4 in narrower (70.1 in vs 71.5 in)
- Height: Mazda Mazda6 is 1.5 in taller (57.0 in vs 55.5 in)
- Wheelbase: Kia Optima has a 1.0 in longer wheelbase (105.3 in vs 106.3 in)
- Curb weight: Kia Optima is 9 lb heavier (3,282 lb vs 3,290 lb)
Biggest size differences
- Height: Mazda Mazda6 is 1.5 in taller (57.0 in vs 55.5 in)
- Width: Mazda Mazda6 is 1.4 in narrower (70.1 in vs 71.5 in)
- Wheelbase: Kia Optima has a 1.0 in longer wheelbase (105.3 in vs 106.3 in)
- Length: Kia Optima is 1.5 in shorter (187.3 in vs 185.8 in)
- Curb weight: Kia Optima is 9 lb heavier (3,282 lb vs 3,290 lb)
Practical verdicts
- Easier to fit in a short garageKia Optima — Kia Optima is shorter by 1.5 in Check garage fit for Mazda Mazda6 · garage fit for Kia Optima
- Narrower for tight parkingMazda Mazda6 — Mazda Mazda6 is narrower by 1.4 in
- Smaller exterior footprintMazda Mazda6 — Based on length × width (Mazda Mazda6)
Dimension comparison
| Spec | Mazda Mazda6 | Kia Optima | Difference |
|---|---|---|---|
| Length | 187.3 in | 185.8 in | 1.5 in |
| Width | 70.1 in | 71.5 in | 1.4 in |
| Height | 57.0 in | 55.5 in | 1.5 in |
| Wheelbase | 105.3 in | 106.3 in | 1.0 in |
| Curb weight | 3,282 lb | 3,290 lb | 9 lb |
Values use trim midpoints when a model year lists a range (e.g. length 186.8 in – 187.8 in).
Compare by year
Overlapping model years with dimension data.
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