| Model Year | 2013 | 2015 | |
| Model | Mazda CX-9 | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 113.2 in | 122.9 in | -9.7 in |
| Length | 200.6 in | 207.4 in | -6.8 in |
| Width | 76.2 in | 76.7 in | -0.5 in |
| Height | 68.0 in | 57.9 in | 10.1 in |
| Curb Weight | 4317 lb. | 4464 lb. | -147 lb. |
| Fuel Capacity | 20.1 gal. | 21.7 gal. | -1.6 gal. |
| Headroom, Row 1 | 39.6 in | 37.2 in | 2.4 in |
| Shoulder Room, Row 1 | 59.4 in | 59.1 in | 0.3 in |
| Hip Room, Row 1 | 56.5 in | 0.0 in | 56.5 in |
| Legroom, Row 1 | 40.9 in | 41.4 in | -0.5 in |
| Headroom, Row 2 | 39.0 in | 39.1 in | -0.1 in |
| Shoulder Room, Row 2 | 58.7 in | 57.8 in | 0.9 in |
| Hip Room, Row 2 | 56.0 in | 0.0 in | 56 in |
| Legroom, Row 2 | 39.8 in | 42.9 in | -3.1 in |
| Headroom, Row 3 | 35.4 in | 0.0 in | 35.4 in |
| Shoulder Room, Row 3 | 56.9 in | 0.0 in | 56.9 in |
| Hip Room, Row 3 | 43.7 in | 0.0 in | 43.7 in |
| Legroom, Row 3 | 32.4 in | 0.0 in | 32.4 in |
| Total Legroom | 113.1 in (over 3 rows) | 84.3 in (over 2 rows) | 28.8 in |
| Cargo Volume, Minimum | 17.2 ft3 | 14.2 ft3 | 3 ft3 |
| Cargo Volume, Behind R2 | 48.3 ft3 | 14.2 | 34.1 ft3 |
| Cargo Volume, Maximum | 100.7 ft3 | 14.2 ft3 | 86.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2013 Mazda CX-9.
None of our members have yet commented on the seat room and comfort of the 2015 Audi A8 / S8.