| Model Year | 2020 | 2017 | |
| Model | Audi A4 / S4 | Mercedes-Benz B-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 111.0 in | 106.3 in | 4.7 in |
| Length | 187.5 in | 171.6 in | 15.9 in |
| Width | 72.7 in | 70.3 in | 2.4 in |
| Height | 56.2 in | 61.3 in | -5.1 in |
| Curb Weight | 3417 lb. | 3924 lb. | -507 lb. |
| Fuel Capacity | 15.3 gal. | 0.0 gal. | 15.3 gal. |
| Headroom, Row 1 | 37.3 in | 0.0 in | 37.3 in |
| Shoulder Room, Row 1 | 55.9 in | 0.0 in | 55.9 in |
| Legroom, Row 1 | 41.3 in | 0.0 in | 41.3 in |
| Headroom, Row 2 | 37.4 in | 0.0 in | 37.4 in |
| Shoulder Room, Row 2 | 54.5 in | 0.0 in | 54.5 in |
| Legroom, Row 2 | 35.7 in | 0.0 in | 35.7 in |
| Total Legroom | 77 in (over 2 rows) | 0 in (over 1 rows) | 77 in |
| Cargo Volume, Minimum | 12.0 ft3 | 21.0 ft3 | -9 ft3 |
| Cargo Volume, Maximum | 12.0 ft3 | 51.4 ft3 | -39.4 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Audi A4 / S4.
None of our members have yet commented on the seat room and comfort of the 2017 Mercedes-Benz B-Class.