 
					 
				| Model Year | 2007 | 2006 | |
| Model | Lexus GS | Lexus LS | |
| Engine | 3.5L V6 DOHC-4v 303 hp@6200 274 lb-ft@3600 | 4.3L V8 DOHC-4v 278 hp@5600 312 lb-ft@3400 | |
| Transmission | 6-speed shiftable automatic | 6-speed shiftable automatic | |
| Drivetrain | RWD | RWD | |
| Body | 4dr Sedan | 4dr Sedan | |
| Difference | |||
| Wheelbase | 112.2 in | 115.2 in | -3 in | 
| Length | 190.0 in | 197.4 in | -7.4 in | 
| Width | 71.7 in | 72.0 in | -0.3 in | 
| Height | 56.1 in | 58.7 in | -2.6 in | 
| Curb Weight | 3704 lb. | 3990 lb. | -286 lb. | 
| Fuel Capacity | 18.8 gal. | 22.2 gal. | -3.4 gal. | 
| Headroom, Row 1 | 37.8 in | 38.1 in | -0.3 in | 
| Shoulder Room, Row 1 | 56.3 in | 58.3 in | -2 in | 
| Hip Room, Row 1 | 54.4 in | 56.7 in | -2.3 in | 
| Legroom, Row 1 | 43.5 in | 44.0 in | -0.5 in | 
| Headroom, Row 2 | 37.0 in | 37.9 in | -0.9 in | 
| Shoulder Room, Row 2 | 55.1 in | 58.2 in | -3.1 in | 
| Hip Room, Row 2 | 51.4 in | 57.3 in | -5.9 in | 
| Legroom, Row 2 | 36.4 in | 37.6 in | -1.2 in | 
| Total Legroom | 79.9 in (over 2 rows) | 81.6 in (over 2 rows) | -1.7 in | 
| Cargo Volume | 12.7 ft3 | 20.2 ft3 | -7.5 ft3 | 
| 2007 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 | 
| 2007 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 | 
None of our members have yet commented on the seat room and comfort of the 2006 Lexus LS.