| Model Year | 2023 | 2017 | |
| Model | Audi A8 / S8 | Infiniti Q50 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Sedan | |
| Difference | |||
| Wheelbase | 123.1 in | 112.2 in | 10.9 in |
| Length | 209.5 in | 188.3 in | 21.2 in |
| Width | 76.6 in | 71.8 in | 4.8 in |
| Height | 58.3 in | 56.8 in | 1.5 in |
| Curb Weight | 4762 lb. | 3666 lb. | 1096 lb. |
| Fuel Capacity | 21.7 gal. | 20.0 gal. | 1.7 gal. |
| Headroom, Row 1 | 38.3 in | 40.2 in | -1.9 in |
| Shoulder Room, Row 1 | 59.1 in | 56.7 in | 2.4 in |
| Hip Room, Row 1 | 0.0 in | 53.2 in | -53.2 in |
| Legroom, Row 1 | 41.5 in | 44.5 in | -3 in |
| Headroom, Row 2 | 38.5 in | 37.5 in | 1 in |
| Shoulder Room, Row 2 | 57.6 in | 56.1 in | 1.5 in |
| Hip Room, Row 2 | 0.0 in | 52.5 in | -52.5 in |
| Legroom, Row 2 | 44.3 in | 35.1 in | 9.2 in |
| Total Legroom | 85.8 in (over 2 rows) | 79.6 in (over 2 rows) | 6.2 in |
| Cargo Volume | 12.5 ft3 | 13.5 ft3 | -1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2023 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2017 Infiniti Q50.