| Model Year | 2017 | 2021 | |
| Model | Audi A8 / S8 | Mercedes-Benz Metris | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Minivan, ext. | |
| Difference | |||
| Wheelbase | 117.8 in | 126.0 in | -8.2 in |
| Length | 202.6 in | 202.4 in | 0.2 in |
| Width | 76.7 in | 75.9 in | 0.8 in |
| Height | 57.4 in | 74.4 in | -17 in |
| Curb Weight | 4685 lb. | 4850 lb. | -165 lb. |
| Fuel Capacity | 21.7 gal. | 18.5 gal. | 3.2 gal. |
| Headroom, Row 1 | 37.2 in | 0.0 in | 37.2 in |
| Shoulder Room, Row 1 | 59.1 in | 0.0 in | 59.1 in |
| Legroom, Row 1 | 41.4 in | 0.0 in | 41.4 in |
| Headroom, Row 2 | 38.1 in | 0.0 in | 38.1 in |
| Shoulder Room, Row 2 | 57.8 in | 0.0 in | 57.8 in |
| Legroom, Row 2 | 38.7 in | 0.0 in | 38.7 in |
| Total Legroom | 80.1 in (over 2 rows) | 0 in (over 1 rows) | 80.1 in |
| Cargo Volume | 14.2 ft3 | 0.0 | 14.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2017 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2021 Mercedes-Benz Metris.