| Model Year | 2014 | 2009 | |
| Model | Mercedes-Benz B-Class | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Hatch | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 2,700 mm | 3,073 mm | -1 mm |
| Length | 4,359 mm | 5,192 mm | -1 mm |
| Width | 1,786 mm | 1,895 mm | 0 mm |
| Height | 1,557 mm | 1,455 mm | 0 mm |
| Curb Weight | 1,780 kg | 1,995 kg | 0 kg |
| Fuel Capacity | 0 L | 90 L | -90 L |
| Headroom, Row 1 | 0 mm | 950 mm | -950 mm |
| Shoulder Room, Row 1 | 0 mm | 1,501 mm | -1 mm |
| Legroom, Row 1 | 0 mm | 1,049 mm | -1 mm |
| Headroom, Row 2 | 0 mm | 973 mm | -973 mm |
| Shoulder Room, Row 2 | 0 mm | 1,461 mm | -1 mm |
| Legroom, Row 2 | 0 mm | 1,074 mm | -1 mm |
| Total Legroom | 0 mm (over 1 row) | 2,123 mm (over 2 rows) | -2 mm |
| Cargo Volume, Minimum | 595 L | 413 L | 182 L |
| Cargo Volume, Maximum | 1,455 L | 14.6 | -13.6 L |
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 2009 Audi A8 / S8.