| Model Year | 2006 | 2017 | |
| Model | Mercedes-Benz C-Class | Audi A8 / S8 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 2,715 mm | 2,992 mm | 0 mm |
| Length | 4,531 mm | 5,146 mm | -1 mm |
| Width | 1,727 mm | 1,948 mm | 0 mm |
| Height | 1,412 mm | 1,458 mm | 0 mm |
| Curb Weight | 1,545 kg | 2,125 kg | -1 kg |
| Fuel Capacity | 62 L | 82 L | -20 L |
| Headroom, Row 1 | 988 mm | 945 mm | 43 mm |
| Shoulder Room, Row 1 | 1,349 mm | 1,501 mm | 0 mm |
| Hip Room, Row 1 | 1,318 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,059 mm | 1,052 mm | 0 mm |
| Headroom, Row 2 | 947 mm | 968 mm | -21 mm |
| Shoulder Room, Row 2 | 1,379 mm | 1,468 mm | 0 mm |
| Hip Room, Row 2 | 1,384 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 838 mm | 983 mm | -145 mm |
| Total Legroom | 1,897 mm (over 2 rows) | 2,035 mm (over 2 rows) | -1 mm |
| Cargo Volume | 345 L | 402 L | -57 L |
| 2006 Mercedes-Benz C-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2005 | 4dr Sedan 168-horsepower 2.6L V6 5-speed shiftable automatic AWD |
Easy to drive for many hours at as time, good trip car. Very comfortable, smooth ride. see full Mercedes-Benz C-Class review |
| 2006 Mercedes-Benz C-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Sedan supercharged 154hp 1.8L I4 5-speed shiftable automatic RWD |
Rear seats are narrow and hard. The centre seat is only usable for very small people on very short trips. see full Mercedes-Benz C-Class review |
| 2006 | 4dr Sedan 201-horsepower 2.5L V6 7-speed shiftable automatic RWD |
There is no rear seat room. see full Mercedes-Benz C-Class review |
| 2006 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
fake leather is too cheap for a m-b. seats too hard. see full Mercedes-Benz C-Class review |
None of our members have yet commented on the seat room and comfort of the 2017 Audi A8 / S8.