| Model Year | 2017 | 2023 | |
| Model | Audi A8 / S8 | Lexus RX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.9 in | 112.2 in | 10.7 in |
| Length | 207.4 in | 192.5 in | 14.9 in |
| Width | 76.7 in | 75.6 in | 1.1 in |
| Height | 57.9 in | 67.3 in | -9.4 in |
| Curb Weight | 4464 lb. | 4155 lb. | 309 lb. |
| Fuel Capacity | 21.7 gal. | 17.8 gal. | 3.9 gal. |
| Headroom, Row 1 | 37.2 in | 39.5 in | -2.3 in |
| Shoulder Room, Row 1 | 59.1 in | 58.1 in | 1 in |
| Hip Room, Row 1 | 0.0 in | 56.7 in | -56.7 in |
| Legroom, Row 1 | 41.4 in | 41.1 in | 0.3 in |
| Headroom, Row 2 | 39.1 in | 38.6 in | 0.5 in |
| Shoulder Room, Row 2 | 57.8 in | 56.5 in | 1.3 in |
| Hip Room, Row 2 | 0.0 in | 55.9 in | -55.9 in |
| Legroom, Row 2 | 42.9 in | 37.4 in | 5.5 in |
| Total Legroom | 84.3 in (over 2 rows) | 78.5 in (over 2 rows) | 5.8 in |
| Cargo Volume, Minimum | 14.2 ft3 | 29.6 ft3 | -15.4 ft3 |
| Cargo Volume, Maximum | 14.2 ft3 | 46.2 ft3 | -32 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 2023 Lexus RX.