i5 LWB 2026 vs Mercedes-Benz S-Class PHEV 2025 size comparison
Mercedes-Benz S-Class PHEV 2025–2026 is 115 mm (2.2%) longer than BMW i5 LWB 2026. It is 235 mm (10.9%) narrower, 17 mm (1.1%) lower and 111 mm (3.6%) longer in wheelbase. Boot space with the seats up is 490 L and 350 L (-140 L).
| Dimension | BMW i5 LWB 2026 | Mercedes-Benz S-Class PHEV 2025–2026 | Difference |
|---|---|---|---|
| Length | 5175 mm | 5290 mm | +115 mm (+2.2%) |
| Width | 2156 mm | 1921 mm | -235 mm (-10.9%) |
| Height | 1520 mm | 1503 mm | -17 mm (-1.1%) |
| Wheelbase | 3105 mm | 3216 mm | +111 mm (+3.6%) |
| Boot | 490 L | 350 L | -140 L |
BMW i5 LWB 2026 dimensions · Mercedes-Benz S-Class PHEV 2025–2026 dimensions