| Model Year | 2024 | 2009 | |
| Model | Audi A6 / S6 / RS6 | Mercedes-Benz S-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 115.1 in | 124.6 in | -9.5 in |
| Length | 194.4 in | 205.0 in | -10.6 in |
| Width | 74.3 in | 73.7 in | 0.6 in |
| Height | 57.4 in | 58.0 in | -0.6 in |
| Curb Weight | 4101 lb. | 4465 lb. | -364 lb. |
| Fuel Capacity | 19.3 gal. | 23.8 gal. | -4.5 gal. |
| Headroom, Row 1 | 38.0 in | 37.8 in | 0.2 in |
| Shoulder Room, Row 1 | 57.8 in | 59.1 in | -1.3 in |
| Legroom, Row 1 | 41.3 in | 41.9 in | -0.6 in |
| Headroom, Row 2 | 38.1 in | 38.5 in | -0.4 in |
| Shoulder Room, Row 2 | 56.5 in | 58.7 in | -2.2 in |
| Legroom, Row 2 | 37.4 in | 42.3 in | -4.9 in |
| Total Legroom | 78.7 in (over 2 rows) | 84.2 in (over 2 rows) | -5.5 in |
| Cargo Volume | 13.7 ft3 | 16.3 ft3 | -2.6 ft3 |
None of our members have yet commented on the seat room and comfort of the 2024 Audi A6 / S6 / RS6.
None of our members have yet commented on the seat room and comfort of the 2009 Mercedes-Benz S-Class.