| Model Year | 2014 | 2009 | |
| Model | Audi A4 / S4 | Mercedes-Benz GL | |
| Engine | supercharged 3.0L V6 DOHC-4v 333 hp@5500 325 lb-ft@2900 |
5.5L V8 DOHC-4v 382 hp@6000 391 lb-ft@2800 |
|
| Transmission | 7-speed automated manual | 7-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 110.6 in | 121.1 in | -10.5 in |
| Length | 185.1 in | 200.6 in | -15.5 in |
| Width | 71.9 in | 76.0 in | -4.1 in |
| Height | 56.2 in | 72.4 in | -16.2 in |
| Curb Weight | 3935 lb. | 5434 lb. | -1499 lb. |
| Fuel Capacity | 16.9 gal. | 26.0 gal. | -9.1 gal. |
| Headroom, Row 1 | 40.0 in | 40.1 in | -0.1 in |
| Shoulder Room, Row 1 | 55.5 in | 58.3 in | -2.8 in |
| Legroom, Row 1 | 41.3 in | 40.3 in | 1 in |
| Headroom, Row 2 | 37.5 in | 40.6 in | -3.1 in |
| Shoulder Room, Row 2 | 54.3 in | 58.9 in | -4.6 in |
| Legroom, Row 2 | 35.2 in | 39.5 in | -4.3 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 | 76.5 in (over 2 rows) | 114 in (over 3 rows) | -37.5 in |
| Cargo Volume, Minimum | 12.4 ft3 | 14.3 ft3 | -1.9 ft3 |
| Cargo Volume, Behind R2 | 12.4 | 43.8 ft3 | -31.4 |
| Cargo Volume, Maximum | 12.4 ft3 | 83.3 ft3 | -70.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2014 Audi A4 / S4.
| 2009 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 |