| Model Year | 2016 | 2020 | |
| Model | Audi A8 / S8 | Audi Q7 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.9 in | 117.9 in | 5 in |
| Length | 207.4 in | 199.3 in | 8.1 in |
| Width | 76.7 in | 77.6 in | -0.9 in |
| Height | 57.9 in | 68.5 in | -10.6 in |
| Curb Weight | 4464 lb. | 4784 lb. | -320 lb. |
| Fuel Capacity | 21.7 gal. | 22.5 gal. | -0.8 gal. |
| Headroom, Row 1 | 37.2 in | 39.9 in | -2.7 in |
| Shoulder Room, Row 1 | 59.1 in | 59.5 in | -0.4 in |
| Legroom, Row 1 | 41.4 in | 41.7 in | -0.3 in |
| Headroom, Row 2 | 39.1 in | 38.8 in | 0.3 in |
| Shoulder Room, Row 2 | 57.8 in | 58.5 in | -0.7 in |
| Legroom, Row 2 | 42.9 in | 38.8 in | 4.1 in |
| Headroom, Row 3 | 0.0 in | 35.9 in | -35.9 in |
| Shoulder Room, Row 3 | 0.0 in | 49.4 in | -49.4 in |
| Legroom, Row 3 | 0.0 in | 29.2 in | -29.2 in |
| Total Legroom | 84.3 in (over 2 rows) | 109.7 in (over 3 rows) | -25.4 in |
| Cargo Volume, Minimum | 14.2 ft3 | 14.8 ft3 | -0.6 ft3 |
| Cargo Volume, Behind R2 | 14.2 | 37.5 ft3 | -23.3 |
| Cargo Volume, Maximum | 14.2 ft3 | 71.6 ft3 | -57.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2016 Audi A8 / S8.
None of our members have yet commented on the seat room and comfort of the 2020 Audi Q7.