| Model Year | 2019 | 2021 | |
| Model | Audi A4 / S4 | Audi TT | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 2dr Hatch | |
| Difference | |||
| Wheelbase | 111.0 in | 98.6 in | 12.4 in |
| Length | 186.1 in | 165.0 in | 21.1 in |
| Width | 72.5 in | 72.1 in | 0.4 in |
| Height | 56.2 in | 53.3 in | 2.9 in |
| Curb Weight | 3450 lb. | 3208 lb. | 242 lb. |
| Fuel Capacity | 16.9 gal. | 14.5 gal. | 2.4 gal. |
| Headroom, Row 1 | 38.9 in | 37.1 in | 1.8 in |
| Shoulder Room, Row 1 | 55.9 in | 53.6 in | 2.3 in |
| Legroom, Row 1 | 41.3 in | 41.1 in | 0.2 in |
| Headroom, Row 2 | 37.4 in | 33.8 in | 3.6 in |
| Shoulder Room, Row 2 | 54.5 in | 47.9 in | 6.6 in |
| Legroom, Row 2 | 35.7 in | 28.9 in | 6.8 in |
| Total Legroom | 77 in (over 2 rows) | 70 in (over 2 rows) | 7 in |
| Cargo Volume, Minimum | 13.0 ft3 | 12.0 ft3 | 1 ft3 |
| Cargo Volume, Maximum | 13.0 ft3 | 25.1 ft3 | -12.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2019 Audi A4 / S4.
None of our members have yet commented on the seat room and comfort of the 2021 Audi TT.