| Model Year | 2023 | 2009 | |
| Model | Audi A8 / S8 | Lexus GS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Sedan | |
| Difference | |||
| Wheelbase | 3,127 mm | 2,850 mm | 1 mm |
| Length | 5,321 mm | 4,826 mm | 1 mm |
| Width | 1,946 mm | 1,821 mm | 0 mm |
| Height | 1,481 mm | 1,425 mm | 0 mm |
| Curb Weight | 2,160 kg | 1,721 kg | 1 kg |
| Fuel Capacity | 82 L | 71 L | 11 L |
| Headroom, Row 1 | 973 mm | 960 mm | 13 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,430 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,382 mm | -1 mm |
| Legroom, Row 1 | 1,054 mm | 1,105 mm | 0 mm |
| Headroom, Row 2 | 978 mm | 940 mm | 38 mm |
| Shoulder Room, Row 2 | 1,463 mm | 1,400 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,306 mm | -1 mm |
| Legroom, Row 2 | 1,125 mm | 925 mm | -924 mm |
| Total Legroom | 2,179 mm (over 2 rows) | 2,029 mm (over 2 rows) | 0 mm |
| Cargo Volume | 354 L | 360 L | -6 L |
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 2009 Lexus GS.