M4 Coupe 2021 (LCI 2025+) vs S-Class 1981 size comparison
Mercedes-Benz S-Class 1981–1985 is 109 mm (2.3%) longer than BMW M4 Coupe 2021– (LCI 2025+). It is 90 mm (4.7%) narrower, 7 mm (0.5%) taller and 7 mm (0.2%) shorter in wheelbase. Boot space with the seats up is 440 L and 505 L (+65 L).
| Dimension | BMW M4 Coupe 2021– (LCI 2025+) | Mercedes-Benz S-Class 1981–1985 | Difference |
|---|---|---|---|
| Length | 4801 mm | 4910 mm | +109 mm (+2.3%) |
| Width | 1918 mm | 1828 mm | -90 mm (-4.7%) |
| Height | 1399 mm | 1406 mm | +7 mm (+0.5%) |
| Wheelbase | 2857 mm | 2850 mm | -7 mm (-0.2%) |
| Boot | 440 L | 505 L | +65 L |
BMW M4 Coupe 2021– (LCI 2025+) dimensions · Mercedes-Benz S-Class 1981–1985 dimensions