| Model Year | 2008 | 2015 | |
| Model | Audi A8 / S8 | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 3,073 mm | 3,122 mm | 0 mm |
| Length | 5,192 mm | 5,268 mm | 0 mm |
| Width | 1,895 mm | 1,948 mm | 0 mm |
| Height | 1,455 mm | 1,471 mm | 0 mm |
| Curb Weight | 1,995 kg | 2,025 kg | -1 kg |
| Fuel Capacity | 90 L | 82 L | 8 L |
| Headroom, Row 1 | 950 mm | 945 mm | 5 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,501 mm | 0 mm |
| Legroom, Row 1 | 1,049 mm | 1,052 mm | 0 mm |
| Headroom, Row 2 | 973 mm | 993 mm | -20 mm |
| Shoulder Room, Row 2 | 1,461 mm | 1,468 mm | 0 mm |
| Legroom, Row 2 | 1,074 mm | 1,090 mm | 0 mm |
| Total Legroom | 2,123 mm (over 2 rows) | 2,141 mm (over 2 rows) | 0 mm |
| Cargo Volume | 413 L | 402 L | 11 L |
None of our members have yet commented on the seat room and comfort of the 2008 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2015 Audi A8 / S8.