| Model Year | 2018 | 2006 | |
| Model | Mercedes-Benz GLS | Audi A8 | |
| Engine | turbocharged 5.5L V8 DOHC-4v 577 hp@5500 561 lb-ft@1750 |
6.0L W12 DOHC-4v 450 hp@6200 428 lb-ft@4000 |
|
| 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 | 202.0 in | 204.4 in | -2.4 in |
| Width | 76.1 in | 74.6 in | 1.5 in |
| Height | 72.8 in | 57.3 in | 15.5 in |
| Curb Weight | 5754 lb. | 4729 lb. | 1025 lb. |
| Fuel Capacity | 26.4 gal. | 23.8 gal. | 2.6 gal. |
| Headroom, Row 1 | 41.2 in | 37.4 in | 3.8 in |
| Shoulder Room, Row 1 | 58.5 in | 59.1 in | -0.6 in |
| Legroom, Row 1 | 40.3 in | 41.3 in | -1 in |
| Headroom, Row 2 | 40.0 in | 38.3 in | 1.7 in |
| Shoulder Room, Row 2 | 58.3 in | 57.5 in | 0.8 in |
| Legroom, Row 2 | 38.5 in | 42.3 in | -3.8 in |
| Headroom, Row 3 | 38.9 in | 0.0 in | 38.9 in |
| Shoulder Room, Row 3 | 50.5 in | 0.0 in | 50.5 in |
| Legroom, Row 3 | 35.0 in | 0.0 in | 35 in |
| Total Legroom | 113.8 in (over 3 rows) | 83.6 in (over 2 rows) | 30.2 in |
| Cargo Volume, Minimum | 16.0 ft3 | 14.6 ft3 | 1.4 ft3 |
| Cargo Volume, Behind R2 | 49.4 ft3 | 14.6 | 34.8 ft3 |
| Cargo Volume, Maximum | 93.8 ft3 | 14.6 ft3 | 79.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz GLS.
| 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 |