Infiniti Q50 vs Kia Optima Dimensions & Size Comparison
Comparing 2016 catalog dimensions. Infiniti Q50 · Kia Optima
- Length188.3 in – 189.1 in
- Height56.8 in – 57.2 in
- Wheelbase112.2 in
- Ground clearance5.1 in – 5.4 in
- Curb weight3,574 lb – 3,849 lb
- Width71.8 in
- Kia Optima width73.2 in
Which is bigger?
- Length: Infiniti Q50 is 2.4 in shorter (188.7 in vs 191.1 in)
- Width: Infiniti Q50 is 1.4 in narrower (71.8 in vs 73.2 in)
- Height: Kia Optima is 0.7 in taller (57.0 in vs 57.7 in)
- Wheelbase: Infiniti Q50 has a 1.8 in longer wheelbase (112.2 in vs 110.4 in)
- Ground clearance: essentially the same
- Curb weight: Infiniti Q50 is 355 lb heavier (3,712 lb vs 3,357 lb)
Biggest size differences
- Curb weight: Infiniti Q50 is 355 lb heavier (3,712 lb vs 3,357 lb)
- Width: Infiniti Q50 is 1.4 in narrower (71.8 in vs 73.2 in)
- Wheelbase: Infiniti Q50 has a 1.8 in longer wheelbase (112.2 in vs 110.4 in)
- Length: Infiniti Q50 is 2.4 in shorter (188.7 in vs 191.1 in)
- Height: Kia Optima is 0.7 in taller (57.0 in vs 57.7 in)
Practical verdicts
- Easier to fit in a short garageInfiniti Q50 — Infiniti Q50 is shorter by 2.4 in Check garage fit for Infiniti Q50 · garage fit for Kia Optima
- Narrower for tight parkingInfiniti Q50 — Infiniti Q50 is narrower by 1.4 in
- Smaller exterior footprintInfiniti Q50 — Based on length × width (Infiniti Q50)
Dimension comparison
| Spec | Infiniti Q50 | Kia Optima | Difference |
|---|---|---|---|
| Length | 188.7 in | 191.1 in | 2.4 in |
| Width | 71.8 in | 73.2 in | 1.4 in |
| Height | 57.0 in | 57.7 in | 0.7 in |
| Wheelbase | 112.2 in | 110.4 in | 1.8 in |
| Ground clearance | 5.3 in | 5.3 in | 0.0 in |
| Curb weight | 3,712 lb | 3,357 lb | 355 lb |
Values use trim midpoints when a model year lists a range (e.g. length 188.3 in – 189.1 in).
Compare by year
Overlapping model years with dimension data.
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