| Model Year | 2009 | 2023 | |
| Model | Audi A8 / S8 | Infiniti QX60 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 121.0 in | 114.2 in | 6.8 in |
| Length | 204.4 in | 198.2 in | 6.2 in |
| Width | 74.6 in | 78.0 in | -3.4 in |
| Height | 57.3 in | 69.7 in | -12.4 in |
| Curb Weight | 4399 lb. | 4393 lb. | 6 lb. |
| Fuel Capacity | 23.8 gal. | 18.5 gal. | 5.3 gal. |
| Headroom, Row 1 | 37.4 in | 40.8 in | -3.4 in |
| Shoulder Room, Row 1 | 59.1 in | 60.6 in | -1.5 in |
| Hip Room, Row 1 | 0.0 in | 58.8 in | -58.8 in |
| Legroom, Row 1 | 41.3 in | 42.1 in | -0.8 in |
| Headroom, Row 2 | 38.3 in | 37.5 in | 0.8 in |
| Shoulder Room, Row 2 | 57.5 in | 59.7 in | -2.2 in |
| Hip Room, Row 2 | 0.0 in | 56.7 in | -56.7 in |
| Legroom, Row 2 | 42.3 in | 37.7 in | 4.6 in |
| Headroom, Row 3 | 0.0 in | 35.7 in | -35.7 in |
| Shoulder Room, Row 3 | 0.0 in | 55.6 in | -55.6 in |
| Hip Room, Row 3 | 0.0 in | 45.2 in | -45.2 in |
| Legroom, Row 3 | 0.0 in | 28.0 in | -28 in |
| Total Legroom | 83.6 in (over 2 rows) | 107.8 in (over 3 rows) | -24.2 in |
| Cargo Volume, Minimum | 14.6 ft3 | 14.5 ft3 | 0.1 ft3 |
| Cargo Volume, Behind R2 | 14.6 | 41.6 ft3 | -27 |
| Cargo Volume, Maximum | 14.6 ft3 | 75.4 ft3 | -60.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2009 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2023 Infiniti QX60.