| Model Year | 2008 | 2010 | |
| Model | Mercedes-Benz GL | Audi A8 | |
| Engine | 5.5L V8 DOHC-4v 382 hp@6000 391 lb-ft@2800 |
4.2L V8 DOHC-5v 350 hp@6600 325 lb-ft@3500 |
|
| Transmission | 7-speed shiftable automatic | 6-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 121.1 in | 121.0 in | 0.1 in |
| Length | 200.6 in | 204.4 in | -3.8 in |
| Width | 76.0 in | 74.6 in | 1.4 in |
| Height | 72.4 in | 57.3 in | 15.1 in |
| Curb Weight | 5434 lb. | 4399 lb. | 1035 lb. |
| Fuel Capacity | 26.0 gal. | 23.8 gal. | 2.2 gal. |
| Headroom, Row 1 | 40.1 in | 37.4 in | 2.7 in |
| Shoulder Room, Row 1 | 58.3 in | 59.1 in | -0.8 in |
| Legroom, Row 1 | 40.3 in | 41.3 in | -1 in |
| Headroom, Row 2 | 40.6 in | 38.3 in | 2.3 in |
| Shoulder Room, Row 2 | 58.9 in | 57.5 in | 1.4 in |
| Legroom, Row 2 | 39.5 in | 42.3 in | -2.8 in |
| Headroom, Row 3 | 38.2 in | 0.0 in | 38.2 in |
| Shoulder Room, Row 3 | 50.5 in | 0.0 in | 50.5 in |
| Legroom, Row 3 | 34.2 in | 0.0 in | 34.2 in |
| Total Legroom | 114 in (over 3 rows) | 83.6 in (over 2 rows) | 30.4 in |
| Cargo Volume, Minimum | 14.3 ft3 | 14.6 ft3 | -0.3 ft3 |
| Cargo Volume, Behind R2 | 43.8 ft3 | 14.6 | 29.2 ft3 |
| Cargo Volume, Maximum | 83.3 ft3 | 14.6 ft3 | 68.7 ft3 |
| 2008 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 |
| 2008 | 4dr SUV turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
Excellent, usable 3rd row seating see full Mercedes-Benz GL review |
| 2008 | 4dr SUV turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
Roomy and adjustable. see full Mercedes-Benz GL review |
| 2008 | 4dr SUV turbocharged 215hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
Second row is good. Third row is EXCELLENT. Bigger than some of the monster American SUVs. see full Mercedes-Benz GL review |
| 2007 | 4dr SUV 335-horsepower 4.7L V8 7-speed shiftable automatic AWD |
Large third row seating to accomodate adults in far back row... see full Mercedes-Benz GL review |
None of our members have yet commented on the seat room and comfort of the 2010 Audi A8.