Kia K8 2021– vs Mercedes-Benz S-Class PHEV 2025–2026 size comparison
Mercedes-Benz S-Class PHEV 2025–2026 is 275 mm (5.5%) longer than Kia K8 2021–. It is 46 mm (2.5%) wider, 48 mm (3.3%) taller and 321 mm (11.1%) longer in wheelbase. Boot space with the seats up is 510 L and 350 L (-160 L).
| Dimension | Kia K8 2021– | Mercedes-Benz S-Class PHEV 2025–2026 | Difference |
|---|---|---|---|
| Length | 5015 mm | 5290 mm | +275 mm (+5.5%) |
| Width | 1875 mm | 1921 mm | +46 mm (+2.5%) |
| Height | 1455 mm | 1503 mm | +48 mm (+3.3%) |
| Wheelbase | 2895 mm | 3216 mm | +321 mm (+11.1%) |
| Boot | 510 L | 350 L | -160 L |
Kia K8 2021– dimensions · Mercedes-Benz S-Class PHEV 2025–2026 dimensions