| Model Year | 2021 | 2023 | |
| Model | Mazda CX-9 | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 2,929 mm | 3,127 mm | -1 mm |
| Length | 5,065 mm | 5,321 mm | 0 mm |
| Width | 1,969 mm | 1,946 mm | 0 mm |
| Height | 1,753 mm | 1,481 mm | 0 mm |
| Curb Weight | 1,916 kg | 2,160 kg | -1 kg |
| Fuel Capacity | 72 L | 82 L | -10 L |
| Headroom, Row 1 | 998 mm | 973 mm | 25 mm |
| Shoulder Room, Row 1 | 1,471 mm | 1,501 mm | 0 mm |
| Hip Room, Row 1 | 1,440 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,041 mm | 1,054 mm | 0 mm |
| Headroom, Row 2 | 978 mm | 978 mm | 0 mm |
| Shoulder Room, Row 2 | 1,476 mm | 1,463 mm | 0 mm |
| Hip Room, Row 2 | 1,458 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 1,001 mm | 1,125 mm | 0 mm |
| Headroom, Row 3 | 899 mm | 0 mm | 899 mm |
| Shoulder Room, Row 3 | 1,349 mm | 0 mm | 1 mm |
| Hip Room, Row 3 | 1,019 mm | 0 mm | 1 mm |
| Legroom, Row 3 | 754 mm | 0 mm | 754 mm |
| Total Legroom | 2,797 mm (over 3 rows) | 2,179 mm (over 2 rows) | 0 mm |
| Cargo Volume, Minimum | 408 L | 354 L | 54 L |
| Cargo Volume, Behind R2 | 1,082 L | 12.5 | -11.5 L |
| Cargo Volume, Maximum | 2,016 L | 12.5 | -10.5 L |
None of our members have yet commented on the seat room and comfort of the 2021 Mazda CX-9.
None of our members have yet commented on the seat room and comfort of the 2023 Audi A8 / S8.