| Model Year | 2018 | 2023 | |
| Model | Audi A8 / S8 | Tesla Model S | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr Hatch | |
| Difference | |||
| Wheelbase | 3,122 mm | 2,959 mm | 1 mm |
| Length | 5,268 mm | 4,978 mm | 1 mm |
| Width | 1,948 mm | 1,963 mm | 0 mm |
| Height | 1,471 mm | 1,435 mm | 0 mm |
| Curb Weight | 2,025 kg | 2,069 kg | 0 kg |
| Fuel Capacity | 82 L | 0 L | 82 L |
| Headroom, Row 1 | 945 mm | 986 mm | -41 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,466 mm | 0 mm |
| Hip Room, Row 1 | 0 mm | 1,397 mm | -1 mm |
| Legroom, Row 1 | 1,052 mm | 1,085 mm | 0 mm |
| Headroom, Row 2 | 993 mm | 897 mm | 96 mm |
| Shoulder Room, Row 2 | 1,468 mm | 1,397 mm | 0 mm |
| Hip Room, Row 2 | 0 mm | 1,389 mm | -1 mm |
| Legroom, Row 2 | 1,090 mm | 899 mm | -898 mm |
| Total Legroom | 2,141 mm (over 2 rows) | 1,984 mm (over 2 rows) | 1 mm |
| Cargo Volume, Minimum | 402 L | 804 L | -402 L |
| Cargo Volume, Maximum | 14.2 | 1,764 L | 13.2 |
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2023 Tesla Model S.