Detailed specs and features for the Used 2021 Audi Q7 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more. rear and 3rd 2022 iX xDrive50 [0.00] Have had a Q7 and now the X5 (no third row) - third row is not really "adult" designed in either, from my quick test drives and inspection while shopping X5s. Small children, not small adults. Audi may be a hair larger, but not significantly enough to make a difference I don't think. Q7 MKII Discussion - Infant and child seats in third row - Will be picking up my son's family soon at the airport. They have a 4 month old and a 2 yr. old. Would anyone be so kind as to share with me their experience with infant seats and the third row including any tips. Winner: 2018 Audi Q7. The starting MSRP of the midsize 2018 Audi Q7 is about $20,000 less than the starting price of the full-size 2018 Mercedes-Benz GLS. For $49,900, buyers get the base Q7 with a four-cylinder engine. Even the Q7 grades that come with the upgraded V6 engine are cheaper, with starting prices between $56,400 and $65,400. The Nissan Patrol is a large seven-seat 4×4, prices range from $76,000 to $92,000. The Patrol has air vents in the ceiling of the second and third-row seats above the windows. There are controls in the back of the central console box as well as in the front dash so the driver can access them while driving. vRlT8.