| Model Year | 2006 | 2008 | |
| Model | Audi A8 | Mercedes-Benz C-Class | |
| Engine | 6.0L W12 DOHC-4v 450 hp@6200 428 lb-ft@4000 |
6.2L V8 DOHC-4v 451 hp@6800 443 lb-ft@5000 |
|
| Transmission | 6-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | AWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 115.9 in | 108.7 in | 7.2 in |
| Length | 199.3 in | 182.3 in | 17 in |
| Width | 74.6 in | 69.7 in | 4.9 in |
| Height | 56.9 in | 56.3 in | 0.6 in |
| Curb Weight | 4618 lb. | 3662 lb. | 956 lb. |
| Fuel Capacity | 23.8 gal. | 17.4 gal. | 6.4 gal. |
| Headroom, Row 1 | 37.3 in | 37.1 in | 0.2 in |
| Shoulder Room, Row 1 | 59.1 in | 54.7 in | 4.4 in |
| Hip Room, Row 1 | 0.0 in | 52.3 in | -52.3 in |
| Legroom, Row 1 | 41.4 in | 41.7 in | -0.3 in |
| Headroom, Row 2 | 38.0 in | 36.9 in | 1.1 in |
| Shoulder Room, Row 2 | 57.5 in | 55.1 in | 2.4 in |
| Hip Room, Row 2 | 0.0 in | 54.9 in | -54.9 in |
| Legroom, Row 2 | 37.6 in | 33.4 in | 4.2 in |
| Total Legroom | 79 in (over 2 rows) | 75.1 in (over 2 rows) | 3.9 in |
| Cargo Volume | 14.6 ft3 | 12.4 ft3 | 2.2 ft3 |
| 2006 Audi A8 Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2005 | 4dr Sedan, ext. 330-horsepower 4.2L V8 6-speed shiftable automatic AWD |
TOTAL COMFORT. SEAT CAN BE ADJUSTED TO GIVE COMFORT FOR BACK AND LEGS. see full Audi A8 review |
| 2008 Mercedes-Benz C-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
The seat causes no discomfort to my tailbone like many ohter cars. Furthermore, the padding is firm and feels like it will last a long time. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
Mercedes-Benz makes the best seats in the business, period. Even after a 10 hour drive, my back did not hurt. see full Mercedes-Benz C-Class review |
| 2008 Mercedes-Benz C-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Not much leg room when compared to other luxury entries. No flat floor so a 3rd passenger in the rear is not possible. see full Mercedes-Benz C-Class review |
| 2009 | 4dr Sedan supercharged 181hp 1.8L I4 5-speed shiftable automatic RWD |
Center console and stack cut into front side leg room, my left leg is always up against the center console. see full Mercedes-Benz C-Class review |
| 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 |