| Model Year | 2015 | 2023 | |
| Model | Audi A8 / S8 | Mercedes-Benz GLB | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 3,122 mm | 2,830 mm | 1 mm |
| Length | 5,268 mm | 4,633 mm | 1 mm |
| Width | 1,948 mm | 1,834 mm | 0 mm |
| Height | 1,471 mm | 1,659 mm | 0 mm |
| Curb Weight | 2,025 kg | 1,650 kg | 1 kg |
| Fuel Capacity | 82 L | 60 L | 22 L |
| Headroom, Row 1 | 945 mm | 1,034 mm | 944 mm |
| Shoulder Room, Row 1 | 1,501 mm | 1,420 mm | 0 mm |
| Legroom, Row 1 | 1,052 mm | 1,044 mm | 0 mm |
| Headroom, Row 2 | 993 mm | 998 mm | -5 mm |
| Shoulder Room, Row 2 | 1,468 mm | 1,394 mm | 0 mm |
| Legroom, Row 2 | 1,090 mm | 968 mm | -967 mm |
| Headroom, Row 3 | 0 mm | 884 mm | -884 mm |
| Shoulder Room, Row 3 | 0 mm | 1,113 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 739 mm | -739 mm |
| Total Legroom | 2,141 mm (over 2 rows) | 2,751 mm (over 3 rows) | 0 mm |
| Cargo Volume, Minimum | 402 L | 623 L | -221 L |
| Cargo Volume, Maximum | 14.2 | 1,756 L | 13.2 |
None of our members have yet commented on the seat room and comfort of the 2015 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2023 Mercedes-Benz GLB.