| Model Year | 2014 | 2018 | |
| Model | Mercedes-Benz C-Class | Audi A8 / S8 | |
| Engine | 6.2L V8 DOHC-4v 507 hp@6800 450 lb-ft@5200 |
turbocharged 4.0L V8 DOHC-4v 605 hp@6100 517 lb-ft@1750 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | RWD | AWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,761 mm | 2,992 mm | 0 mm |
| Length | 4,590 mm | 5,146 mm | -1 mm |
| Width | 1,770 mm | 1,948 mm | 0 mm |
| Height | 1,430 mm | 1,458 mm | 0 mm |
| Curb Weight | 1,780 kg | 2,125 kg | -1 kg |
| Fuel Capacity | 66 L | 82 L | -16 L |
| Headroom, Row 1 | 942 mm | 945 mm | -3 mm |
| Shoulder Room, Row 1 | 1,389 mm | 1,501 mm | 0 mm |
| Hip Room, Row 1 | 1,328 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,059 mm | 1,052 mm | 0 mm |
| Headroom, Row 2 | 937 mm | 968 mm | -31 mm |
| Shoulder Room, Row 2 | 1,397 mm | 1,468 mm | 0 mm |
| Hip Room, Row 2 | 1,394 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 848 mm | 983 mm | -135 mm |
| Total Legroom | 1,908 mm (over 2 rows) | 2,035 mm (over 2 rows) | -1 mm |
| Cargo Volume | 351 L | 402 L | -51 L |
None of our members have yet commented on the seat room and comfort of the 2014 Mercedes-Benz C-Class.
None of our members have yet commented on the seat room and comfort of the 2018 Audi A8 / S8.