| Model Year | 2020 | 2011 | |
| Model | Mazda CX-9 | Kia Optima | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Sedan | |
| Difference | |||
| Wheelbase | 115.3 in | 110.0 in | 5.3 in |
| Length | 199.4 in | 190.7 in | 8.7 in |
| Width | 77.5 in | 72.1 in | 5.4 in |
| Height | 69.0 in | 57.3 in | 11.7 in |
| Curb Weight | 4225 lb. | 3206 lb. | 1019 lb. |
| Fuel Capacity | 19.0 gal. | 18.5 gal. | 0.5 gal. |
| Headroom, Row 1 | 39.3 in | 40.0 in | -0.7 in |
| Shoulder Room, Row 1 | 57.9 in | 57.2 in | 0.7 in |
| Hip Room, Row 1 | 56.7 in | 54.7 in | 2 in |
| Legroom, Row 1 | 41.0 in | 45.5 in | -4.5 in |
| Headroom, Row 2 | 38.5 in | 37.6 in | 0.9 in |
| Shoulder Room, Row 2 | 58.1 in | 55.7 in | 2.4 in |
| Hip Room, Row 2 | 57.4 in | 54.5 in | 2.9 in |
| Legroom, Row 2 | 39.4 in | 34.7 in | 4.7 in |
| Headroom, Row 3 | 35.4 in | 0.0 in | 35.4 in |
| Shoulder Room, Row 3 | 53.1 in | 0.0 in | 53.1 in |
| Hip Room, Row 3 | 40.1 in | 0.0 in | 40.1 in |
| Legroom, Row 3 | 29.7 in | 0.0 in | 29.7 in |
| Total Legroom | 110.1 in (over 3 rows) | 80.2 in (over 2 rows) | 29.9 in |
| Cargo Volume, Minimum | 14.4 ft3 | 15.4 ft3 | -1 ft3 |
| Cargo Volume, Behind R2 | 38.2 ft3 | 15.4 | 22.8 ft3 |
| Cargo Volume, Maximum | 71.2 ft3 | 15.4 ft3 | 55.8 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Mazda CX-9.
None of our members have yet commented on the seat room and comfort of the 2011 Kia Optima.