| Model Year | 2011 | 2023 | |
| Model | Audi A8 | Lexus IS | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,992 mm | 2,799 mm | 0 mm |
| Length | 5,136 mm | 4,709 mm | 1 mm |
| Width | 1,948 mm | 1,839 mm | 0 mm |
| Height | 1,461 mm | 1,435 mm | 0 mm |
| Curb Weight | 2,000 kg | 1,685 kg | 1 kg |
| Fuel Capacity | 90 L | 66 L | 24 L |
| Headroom, Row 1 | 945 mm | 970 mm | -25 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,420 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,379 mm | -1 mm |
| Legroom, Row 1 | 1,052 mm | 1,138 mm | 0 mm |
| Headroom, Row 2 | 968 mm | 937 mm | 31 mm |
| Shoulder Room, Row 2 | 1,468 mm | 1,356 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,372 mm | -1 mm |
| Legroom, Row 2 | 983 mm | 818 mm | 165 mm |
| Total Legroom | 2,035 mm (over 2 rows) | 1,956 mm (over 2 rows) | 1 mm |
| Cargo Volume | 374 L | 306 L | 68 L |
None of our members have yet commented on the seat room and comfort of the 2011 Audi A8.
None of our members have yet commented on the seat room and comfort of the 2023 Lexus IS.