| Model Year | 2012 | 2021 | |
| Model | Infiniti FX | Audi A8 / S8 | |
| Engine | 5.0L V8 DOHC-4v 390 hp@6500 369 lb-ft@4400 |
turbocharged 4.0L V8 Hybrid DOHC-4v 453 hp@5500 487 lb-ft@1800 |
|
| Transmission | 7-speed shiftable automatic | 8-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 113.6 in | 123.2 in | -9.6 in |
| Length | 191.3 in | 208.7 in | -17.4 in |
| Width | 75.9 in | 76.6 in | -0.7 in |
| Height | 65.0 in | 58.6 in | 6.4 in |
| Curb Weight | 4557 lb. | 4905 lb. | -348 lb. |
| Fuel Capacity | 23.8 gal. | 21.7 gal. | 2.1 gal. |
| Headroom, Row 1 | 39.3 in | 38.3 in | 1 in |
| Shoulder Room, Row 1 | 57.3 in | 59.1 in | -1.8 in |
| Hip Room, Row 1 | 54.9 in | 0.0 in | 54.9 in |
| Legroom, Row 1 | 44.7 in | 41.5 in | 3.2 in |
| Headroom, Row 2 | 38.5 in | 38.5 in | 0 in |
| Shoulder Room, Row 2 | 57.4 in | 57.6 in | -0.2 in |
| Hip Room, Row 2 | 54.2 in | 0.0 in | 54.2 in |
| Legroom, Row 2 | 34.6 in | 44.3 in | -9.7 in |
| Total Legroom | 79.3 in (over 2 rows) | 85.8 in (over 2 rows) | -6.5 in |
| Cargo Volume, Minimum | 24.8 ft3 | 12.5 ft3 | 12.3 ft3 |
| Cargo Volume, Maximum | 62.0 ft3 | 12.5 ft3 | 49.5 ft3 |
None of our members have yet commented on the seat room and comfort of the 2012 Infiniti FX.
None of our members have yet commented on the seat room and comfort of the 2021 Audi A8 / S8.