| Model Year | 2009 | 2016 | |
| Model | Audi A8 / S8 | Infiniti QX60 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 121.0 in | 114.2 in | 6.8 in |
| Length | 204.4 in | 196.4 in | 8 in |
| Width | 74.6 in | 77.2 in | -2.6 in |
| Height | 57.3 in | 68.6 in | -11.3 in |
| Curb Weight | 4399 lb. | 4379 lb. | 20 lb. |
| Fuel Capacity | 23.8 gal. | 19.5 gal. | 4.3 gal. |
| Headroom, Row 1 | 37.4 in | 40.7 in | -3.3 in |
| Shoulder Room, Row 1 | 59.1 in | 60.3 in | -1.2 in |
| Hip Room, Row 1 | 0.0 in | 56.8 in | -56.8 in |
| Legroom, Row 1 | 41.3 in | 42.3 in | -1 in |
| Headroom, Row 2 | 38.3 in | 38.3 in | 0 in |
| Shoulder Room, Row 2 | 57.5 in | 60.4 in | -2.9 in |
| Hip Room, Row 2 | 0.0 in | 55.8 in | -55.8 in |
| Legroom, Row 2 | 42.3 in | 41.7 in | 0.6 in |
| Headroom, Row 3 | 0.0 in | 36.5 in | -36.5 in |
| Shoulder Room, Row 3 | 0.0 in | 57.1 in | -57.1 in |
| Hip Room, Row 3 | 0.0 in | 42.0 in | -42 in |
| Legroom, Row 3 | 0.0 in | 30.8 in | -30.8 in |
| Total Legroom | 83.6 in (over 2 rows) | 114.8 in (over 3 rows) | -31.2 in |
| Cargo Volume, Minimum | 14.6 ft3 | 15.8 ft3 | -1.2 ft3 |
| Cargo Volume, Behind R2 | 14.6 | 40.8 ft3 | -26.2 |
| Cargo Volume, Maximum | 14.6 ft3 | 76.5 ft3 | -61.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2009 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2016 Infiniti QX60.