| Model Year | 2011 | 2014 | |
| Model | Lexus IS | Ford Flex | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 107.5 in | 117.9 in | -10.4 in |
| Length | 180.1 in | 201.8 in | -21.7 in |
| Width | 70.9 in | 75.9 in | -5 in |
| Height | 56.1 in | 68.0 in | -11.9 in |
| Curb Weight | 3455 lb. | 4471 lb. | -1016 lb. |
| Fuel Capacity | 17.2 gal. | 19.2 gal. | -2 gal. |
| Headroom, Row 1 | 37.2 in | 41.8 in | -4.6 in |
| Shoulder Room, Row 1 | 54.4 in | 58.4 in | -4 in |
| Hip Room, Row 1 | 54.1 in | 55.5 in | -1.4 in |
| Legroom, Row 1 | 43.9 in | 40.8 in | 3.1 in |
| Headroom, Row 2 | 36.7 in | 40.5 in | -3.8 in |
| Shoulder Room, Row 2 | 52.7 in | 58.1 in | -5.4 in |
| Hip Room, Row 2 | 53.7 in | 55.0 in | -1.3 in |
| Legroom, Row 2 | 30.6 in | 44.3 in | -13.7 in |
| Headroom, Row 3 | 0.0 in | 38.7 in | -38.7 in |
| Shoulder Room, Row 3 | 0.0 in | 50.8 in | -50.8 in |
| Hip Room, Row 3 | 0.0 in | 41.1 in | -41.1 in |
| Legroom, Row 3 | 0.0 in | 33.3 in | -33.3 in |
| Total Legroom | 74.5 in (over 2 rows) | 118.4 in (over 3 rows) | -43.9 in |
| Cargo Volume, Minimum | 13.0 ft3 | 20.0 ft3 | -7 ft3 |
| Cargo Volume, Behind R2 | 13.0 | 43.2 ft3 | -30.2 |
| Cargo Volume, Maximum | 13.0 ft3 | 83.2 ft3 | -70.2 ft3 |
| 2011 Lexus IS Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2010 | 4dr Sedan 204-horsepower 2.5L V6 6-speed shiftable automatic RWD |
Legroom felt narrow for passenger over tranny tunnel. see full Lexus IS review |
| 2010 | 4dr Sedan 204-horsepower 2.5L V6 6-speed shiftable automatic AWD |
Lousey seats: uncomfortable and build is cheap and not conforming to human posture. But, seems last several years most cars have lousey, cheap and uncomfortable seats. see full Lexus IS review |
None of our members have yet commented on the seat room and comfort of the 2014 Ford Flex.