| Model Year | 2006 | 2020 | |
| Model | Audi A6 | Audi TT | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Wagon | 2dr Hatch | |
| Difference | |||
| Wheelbase | 111.9 in | 98.6 in | 13.3 in |
| Length | 194.2 in | 165.0 in | 29.2 in |
| Width | 73.1 in | 72.1 in | 1 in |
| Height | 58.2 in | 53.3 in | 4.9 in |
| Curb Weight | 4167 lb. | 3208 lb. | 959 lb. |
| Fuel Capacity | 21.1 gal. | 14.5 gal. | 6.6 gal. |
| Headroom, Row 1 | 37.6 in | 37.1 in | 0.5 in |
| Shoulder Room, Row 1 | 57.1 in | 53.6 in | 3.5 in |
| Legroom, Row 1 | 41.3 in | 41.1 in | 0.2 in |
| Headroom, Row 2 | 38.0 in | 33.8 in | 4.2 in |
| Shoulder Room, Row 2 | 55.9 in | 47.9 in | 8 in |
| Legroom, Row 2 | 36.9 in | 28.9 in | 8 in |
| Total Legroom | 78.2 in (over 2 rows) | 70 in (over 2 rows) | 8.2 in |
| Cargo Volume, Minimum | 33.9 ft3 | 12.0 ft3 | 21.9 ft3 |
| Cargo Volume, Maximum | 58.6 ft3 | 25.1 ft3 | 33.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2006 Audi A6.
None of our members have yet commented on the seat room and comfort of the 2020 Audi TT.