| Model Year | 2020 | 2007 | |
| Model | Audi A6 / S6 | Mercedes-Benz GL | |
| Engine | turbocharged 2.0L I4 DOHC-4v 248 hp@5000 273 lb-ft@1600 |
4.7L V8 DOHC-4v 335 hp@6000 339 lb-ft@2700 |
|
| Transmission | 7-speed automated manual | 7-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 115.1 in | 121.1 in | -6 in |
| Length | 194.4 in | 200.3 in | -5.9 in |
| Width | 74.3 in | 75.6 in | -1.3 in |
| Height | 57.4 in | 72.4 in | -15 in |
| Curb Weight | 4101 lb. | 5249 lb. | -1148 lb. |
| Fuel Capacity | 19.3 gal. | 26.0 gal. | -6.7 gal. |
| Headroom, Row 1 | 38.0 in | 40.1 in | -2.1 in |
| Shoulder Room, Row 1 | 57.8 in | 58.3 in | -0.5 in |
| Legroom, Row 1 | 41.3 in | 40.3 in | 1 in |
| Headroom, Row 2 | 38.1 in | 40.6 in | -2.5 in |
| Shoulder Room, Row 2 | 56.5 in | 58.9 in | -2.4 in |
| Legroom, Row 2 | 37.4 in | 39.5 in | -2.1 in |
| Headroom, Row 3 | 0.0 in | 38.5 in | -38.5 in |
| Shoulder Room, Row 3 | 0.0 in | 50.5 in | -50.5 in |
| Legroom, Row 3 | 0.0 in | 34.0 in | -34 in |
| Total Legroom | 78.7 in (over 2 rows) | 113.8 in (over 3 rows) | -35.1 in |
| Cargo Volume, Minimum | 13.7 ft3 | 14.3 ft3 | -0.6 ft3 |
| Cargo Volume, Behind R2 | 13.7 | 43.8 ft3 | -30.1 |
| Cargo Volume, Maximum | 13.7 ft3 | 83.3 ft3 | -69.6 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Audi A6 / S6.
| 2007 Mercedes-Benz GL Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 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 |