| Model Year | 2016 | 2022 | |
| Model | Audi A8 / S8 | Infiniti QX55 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.9 in | 110.2 in | 12.7 in |
| Length | 207.4 in | 186.3 in | 21.1 in |
| Width | 76.7 in | 74.9 in | 1.8 in |
| Height | 57.9 in | 63.8 in | -5.9 in |
| Curb Weight | 4464 lb. | 4015 lb. | 449 lb. |
| Fuel Capacity | 21.7 gal. | 16.0 gal. | 5.7 gal. |
| Headroom, Row 1 | 37.2 in | 39.9 in | -2.7 in |
| Shoulder Room, Row 1 | 59.1 in | 57.9 in | 1.2 in |
| Hip Room, Row 1 | 0.0 in | 55.6 in | -55.6 in |
| Legroom, Row 1 | 41.4 in | 39.6 in | 1.8 in |
| Headroom, Row 2 | 39.1 in | 36.9 in | 2.2 in |
| Shoulder Room, Row 2 | 57.8 in | 57.1 in | 0.7 in |
| Hip Room, Row 2 | 0.0 in | 53.8 in | -53.8 in |
| Legroom, Row 2 | 42.9 in | 38.7 in | 4.2 in |
| Total Legroom | 84.3 in (over 2 rows) | 78.3 in (over 2 rows) | 6 in |
| Cargo Volume, Minimum | 14.2 ft3 | 26.9 ft3 | -12.7 ft3 |
| Cargo Volume, Maximum | 14.2 ft3 | 54.1 ft3 | -39.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2016 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2022 Infiniti QX55.