| Model Year | 2009 | 2023 | |
| Model | Audi A8 / S8 | Lexus IS | |
| Engine | 5.2L V10 DOHC-4v 331 kW@7000 540 Nm@3500 |
5.0L V8 DOHC-4v 352 kW@7100 536 Nm@4800 |
|
| Transmission | 6-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,944 mm | 2,799 mm | 0 mm |
| Length | 5,062 mm | 4,709 mm | 1 mm |
| Width | 1,895 mm | 1,839 mm | 0 mm |
| Height | 1,445 mm | 1,435 mm | 0 mm |
| Curb Weight | 2,080 kg | 1,765 kg | 1 kg |
| Fuel Capacity | 90 L | 66 L | 24 L |
| Headroom, Row 1 | 947 mm | 970 mm | -23 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 | 965 mm | 937 mm | 28 mm |
| Shoulder Room, Row 2 | 1,461 mm | 1,356 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,372 mm | -1 mm |
| Legroom, Row 2 | 955 mm | 818 mm | 137 mm |
| Total Legroom | 2,007 mm (over 2 rows) | 1,956 mm (over 2 rows) | 1 mm |
| Cargo Volume | 413 L | 306 L | 107 L |
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 Lexus IS.