| Model Year | 2007 | 2023 | |
| Model | Mercedes-Benz C-Class | Audi A5 / S5 / RS5 | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr Hatch | |
| Difference | |||
| Wheelbase | 106.9 in | 111.1 in | -4.2 in |
| Length | 178.4 in | 187.3 in | -8.9 in |
| Width | 68.0 in | 72.5 in | -4.5 in |
| Height | 55.6 in | 54.5 in | 1.1 in |
| Curb Weight | 3405 lb. | 3759 lb. | -354 lb. |
| Fuel Capacity | 16.4 gal. | 15.3 gal. | 1.1 gal. |
| Headroom, Row 1 | 38.9 in | 37.7 in | 1.2 in |
| Shoulder Room, Row 1 | 53.1 in | 55.7 in | -2.6 in |
| Hip Room, Row 1 | 51.9 in | 0.0 in | 51.9 in |
| Legroom, Row 1 | 41.7 in | 41.3 in | 0.4 in |
| Headroom, Row 2 | 37.3 in | 37.0 in | 0.3 in |
| Shoulder Room, Row 2 | 54.3 in | 54.5 in | -0.2 in |
| Hip Room, Row 2 | 54.5 in | 0.0 in | 54.5 in |
| Legroom, Row 2 | 33.0 in | 35.1 in | -2.1 in |
| Total Legroom | 74.7 in (over 2 rows) | 76.4 in (over 2 rows) | -1.7 in |
| Cargo Volume, Minimum | 12.2 ft3 | 21.8 ft3 | -9.6 ft3 |
| Cargo Volume, Maximum | 12.2 ft3 | 35.0 ft3 | -22.8 ft3 |
| 2007 Mercedes-Benz C-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr Sedan 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
just ok see full Mercedes-Benz C-Class review |
| 2008 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
too tight back there. see full Mercedes-Benz C-Class review |
| 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 2023 Audi A5 / S5 / RS5.