The current Kia Optima is 4,855 mm long, 1,860 mm wide and 1,464 mm tall, on a 2,805 mm wheelbase. It has grown 1 cm longer since the 2012 Optima.
| Years | Length | Width | Height | Wheelbase | Boot capacity | Turning circle |
|---|---|---|---|---|---|---|
| 2012–2015 | 4,845 | 1,830 | 1,455 | 2,795 | 422 | 10.9 |
| 2015–2020Current | 4,855 | 1,860 | 1,464 | 2,805 | 479 | — |
The Kia Optima has 1,140 mm of front legroom and 1,000 mm of front headroom.
| Front | Rear | |
|---|---|---|
| Legroom | 1,140 mm | 940 mm |
| Headroom | 1,000 mm | — |
| Shoulder room | 1,500 mm | 1,500 mm |
Interior figures are the roomiest measurement (seat fully back), taken as the median across the current generation’s variants; individual trims vary.
Exterior figures are manufacturer specifications for the Optima, averaged per generation across its variants and shown for the most common body style. Generations with the same size are merged. Boot capacity is the seats-up figure where the manufacturer quotes one.