| Model Year | 2014 | 2021 | |
| Model | Mercedes-Benz B-Class | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Hatch | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 106.3 in | 123.2 in | -16.9 in |
| Length | 171.6 in | 208.7 in | -37.1 in |
| Width | 70.3 in | 76.6 in | -6.3 in |
| Height | 61.3 in | 58.6 in | 2.7 in |
| Curb Weight | 3924 lb. | 4773 lb. | -849 lb. |
| Fuel Capacity | 0.0 gal. | 21.7 gal. | -21.7 gal. |
| Headroom, Row 1 | 0.0 in | 38.3 in | -38.3 in |
| Shoulder Room, Row 1 | 0.0 in | 59.1 in | -59.1 in |
| Legroom, Row 1 | 0.0 in | 41.5 in | -41.5 in |
| Headroom, Row 2 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 2 | 0.0 in | 57.6 in | -57.6 in |
| Legroom, Row 2 | 0.0 in | 44.3 in | -44.3 in |
| Total Legroom | 0 in (over 1 rows) | 85.8 in (over 2 rows) | -85.8 in |
| Cargo Volume, Minimum | 21.0 ft3 | 12.5 ft3 | 8.5 ft3 |
| Cargo Volume, Maximum | 51.4 ft3 | 12.5 ft3 | 38.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz B-Class.
None of our members have yet commented on the seat room and comfort of the 2021 Audi A8 / S8.