| Model Year | 2007 | 2010 | |
| Model | Infiniti FX | Audi A8 | |
| Engine | 4.5L V8 DOHC-4v 315 hp@6400 329 lb-ft@4000 |
4.2L V8 DOHC-5v 350 hp@6600 325 lb-ft@3500 |
|
| Transmission | 5-speed shiftable automatic | 6-speed shiftable automatic | |
| Drivetrain | AWD | AWD | |
| Body | 4dr SUV | 4dr Sedan, ext. | |
| Difference | |||
| Wheelbase | 112.2 in | 121.0 in | -8.8 in |
| Length | 189.1 in | 204.4 in | -15.3 in |
| Width | 75.8 in | 74.6 in | 1.2 in |
| Height | 65.9 in | 57.3 in | 8.6 in |
| Curb Weight | 4533 lb. | 4399 lb. | 134 lb. |
| Fuel Capacity | 23.8 gal. | 23.8 gal. | 0 gal. |
| Headroom, Row 1 | 40.8 in | 37.4 in | 3.4 in |
| Shoulder Room, Row 1 | 56.9 in | 59.1 in | -2.2 in |
| Hip Room, Row 1 | 54.3 in | 0.0 in | 54.3 in |
| Legroom, Row 1 | 43.9 in | 41.3 in | 2.6 in |
| Headroom, Row 2 | 39.5 in | 38.3 in | 1.2 in |
| Shoulder Room, Row 2 | 57.4 in | 57.5 in | -0.1 in |
| Hip Room, Row 2 | 55.0 in | 0.0 in | 55 in |
| Legroom, Row 2 | 35.2 in | 42.3 in | -7.1 in |
| Total Legroom | 79.1 in (over 2 rows) | 83.6 in (over 2 rows) | -4.5 in |
| Cargo Volume, Minimum | 27.4 ft3 | 14.6 ft3 | 12.8 ft3 |
| Cargo Volume, Maximum | 64.5 ft3 | 14.6 ft3 | 49.9 ft3 |
| 2007 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 |
| 2007 Infiniti FX Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2007 | 4dr SUV 275-horsepower 3.5L V6 5-speed shiftable automatic AWD |
the rear seats are great for kids, but not for adults. not lots of leg room. head and shoulder room is fine. see full Infiniti FX review |
None of our members have yet commented on the seat room and comfort of the 2010 Audi A8.