| Model Year | 2011 | 2010 | |
| Model | Audi A8 | Mercedes-Benz GL | |
| Engine | 4.2L V8 DOHC-4v 372 hp@6800 328 lb-ft@3500 |
5.5L V8 DOHC-4v 382 hp@6000 391 lb-ft@2800 |
|
| Transmission | 8-speed shiftable automatic | 7-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan, ext. | 4dr SUV | |
| Difference | |||
| Wheelbase | 122.9 in | 121.1 in | 1.8 in |
| Length | 207.4 in | 200.6 in | 6.8 in |
| Width | 76.7 in | 76.0 in | 0.7 in |
| Height | 57.9 in | 72.4 in | -14.5 in |
| Curb Weight | 4453 lb. | 5545 lb. | -1092 lb. |
| Fuel Capacity | 23.8 gal. | 26.0 gal. | -2.2 gal. |
| Headroom, Row 1 | 37.2 in | 40.1 in | -2.9 in |
| Shoulder Room, Row 1 | 59.1 in | 58.3 in | 0.8 in |
| Legroom, Row 1 | 41.4 in | 40.3 in | 1.1 in |
| Headroom, Row 2 | 39.1 in | 40.6 in | -1.5 in |
| Shoulder Room, Row 2 | 57.8 in | 58.9 in | -1.1 in |
| Legroom, Row 2 | 42.9 in | 39.5 in | 3.4 in |
| Headroom, Row 3 | 0.0 in | 38.2 in | -38.2 in |
| Shoulder Room, Row 3 | 0.0 in | 50.5 in | -50.5 in |
| Legroom, Row 3 | 0.0 in | 34.2 in | -34.2 in |
| Total Legroom | 84.3 in (over 2 rows) | 114 in (over 3 rows) | -29.7 in |
| Cargo Volume, Minimum | 13.2 ft3 | 14.3 ft3 | -1.1 ft3 |
| Cargo Volume, Behind R2 | 13.2 | 43.8 ft3 | -30.6 |
| Cargo Volume, Maximum | 13.2 ft3 | 83.3 ft3 | -70.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2011 Audi A8.
| 2010 Mercedes-Benz GL Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr SUV 335-horsepower 4.7L V8 7-speed shiftable automatic AWD |
This SUV has a third row seat that can accommodate adults comfortably, without sacrificing braking and safety. see full Mercedes-Benz GL review |