| Model Year | 2006 | 2009 | |
| Model | Lexus GS | Lexus RX | |
| Engine | 4.3L V8 DOHC-4v 300 hp@5600 325 lb-ft@3400 |
3.5L V6 DOHC-4v 270 hp@6200 251 lb-ft@4700 |
|
| Transmission | 6-speed shiftable automatic | 5-speed automatic | |
| Drivetrain | RWD | AWD | |
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 112.2 in | 106.9 in | 5.3 in |
| Length | 190.0 in | 186.2 in | 3.8 in |
| Width | 71.7 in | 72.6 in | -0.9 in |
| Height | 56.1 in | 66.1 in | -10 in |
| Curb Weight | 3916 lb. | 4090 lb. | -174 lb. |
| Fuel Capacity | 18.8 gal. | 19.2 gal. | -0.4 gal. |
| Headroom, Row 1 | 37.8 in | 39.4 in | -1.6 in |
| Shoulder Room, Row 1 | 56.3 in | 57.9 in | -1.6 in |
| Hip Room, Row 1 | 54.4 in | 55.6 in | -1.2 in |
| Legroom, Row 1 | 43.5 in | 42.5 in | 1 in |
| Headroom, Row 2 | 37.0 in | 38.6 in | -1.6 in |
| Shoulder Room, Row 2 | 55.1 in | 57.1 in | -2 in |
| Hip Room, Row 2 | 51.4 in | 55.1 in | -3.7 in |
| Legroom, Row 2 | 36.4 in | 36.4 in | 0 in |
| Total Legroom | 79.9 in (over 2 rows) | 78.9 in (over 2 rows) | 1 in |
| Cargo Volume, Minimum | 12.7 ft3 | 38.3 ft3 | -25.6 ft3 |
| Cargo Volume, Maximum | 12.7 ft3 | 84.7 ft3 | -72 ft3 |
| 2006 Lexus GS Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Sedan 245-horsepower 3.0L V6 6-speed shiftable automatic AWD |
Very good front seats with excellent back and head/neck spport for those of us who are spinally challengged. see full Lexus GS review |
| 2006 Lexus GS Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2006 | 4dr Sedan 300-horsepower 4.3L V8 6-speed shiftable automatic RWD |
comfortable but tight see full Lexus GS review |
| 2009 Lexus RX Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr SUV 270-horsepower 3.5L V6 5-speed automatic AWD |
rear seating and space is grand. front cockpit is a bit short and chopped but acceptable. Front seats are not as comfortable as in our 2001 RX 300. The front seats are minimally acceptable. see full Lexus RX review |