| Model Year | 2020 | 2009 | |
| Model | Audi RS Q8 | Infiniti FX | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr SUV | |
| Difference | |||
| Wheelbase | 117.9 in | 113.5 in | 4.4 in |
| Length | 197.3 in | 191.3 in | 6 in |
| Width | 78.7 in | 75.9 in | 2.8 in |
| Height | 66.7 in | 65.0 in | 1.7 in |
| Curb Weight | 5490 lb. | 4094 lb. | 1396 lb. |
| Fuel Capacity | 22.5 gal. | 23.8 gal. | -1.3 gal. |
| Headroom, Row 1 | 41.1 in | 39.3 in | 1.8 in |
| Shoulder Room, Row 1 | 59.5 in | 57.3 in | 2.2 in |
| Hip Room, Row 1 | 0.0 in | 54.9 in | -54.9 in |
| Legroom, Row 1 | 41.2 in | 44.7 in | -3.5 in |
| Headroom, Row 2 | 38.6 in | 38.5 in | 0.1 in |
| Shoulder Room, Row 2 | 58.5 in | 57.4 in | 1.1 in |
| Hip Room, Row 2 | 0.0 in | 54.2 in | -54.2 in |
| Legroom, Row 2 | 40.1 in | 34.6 in | 5.5 in |
| Total Legroom | 81.3 in (over 2 rows) | 79.3 in (over 2 rows) | 2 in |
| Cargo Volume, Minimum | 30.5 ft3 | 24.8 ft3 | 5.7 ft3 |
| Cargo Volume, Maximum | 60.7 ft3 | 62.0 ft3 | -1.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Audi RS Q8.
| 2009 Infiniti FX Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr SUV 275-horsepower 3.5L V6 5-speed shiftable automatic AWD |
Longest drive was 6 hours and had no discomfort whatsoever. Have ridden for 4 hours in a Toyota Rav4 and was almost in pain after an hour. see full Infiniti FX review |