| Model Year | 2012 | 2009 | |
| Model | Lexus HS | Mercedes-Benz R-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 106.3 in | 126.6 in | -20.3 in |
| Length | 184.8 in | 203.0 in | -18.2 in |
| Width | 70.3 in | 75.7 in | -5.4 in |
| Height | 59.3 in | 65.4 in | -6.1 in |
| Curb Weight | 3682 lb. | 4829 lb. | -1147 lb. |
| Fuel Capacity | 14.5 gal. | 25.1 gal. | -10.6 gal. |
| Headroom, Row 1 | 38.0 in | 39.8 in | -1.8 in |
| Shoulder Room, Row 1 | 53.8 in | 60.3 in | -6.5 in |
| Hip Room, Row 1 | 52.8 in | 0.0 in | 52.8 in |
| Legroom, Row 1 | 42.6 in | 39.8 in | 2.8 in |
| Headroom, Row 2 | 36.8 in | 40.4 in | -3.6 in |
| Shoulder Room, Row 2 | 54.2 in | 59.6 in | -5.4 in |
| Hip Room, Row 2 | 51.2 in | 0.0 in | 51.2 in |
| Legroom, Row 2 | 34.5 in | 36.2 in | -1.7 in |
| Headroom, Row 3 | 0.0 in | 37.2 in | -37.2 in |
| Shoulder Room, Row 3 | 0.0 in | 52.8 in | -52.8 in |
| Legroom, Row 3 | 0.0 in | 32.4 in | -32.4 in |
| Total Legroom | 77.1 in (over 2 rows) | 108.4 in (over 3 rows) | -31.3 in |
| Cargo Volume, Minimum | 12.1 ft3 | 15.3 ft3 | -3.2 ft3 |
| Cargo Volume, Behind R2 | 12.1 | 42.2 ft3 | -30.1 |
| Cargo Volume, Maximum | 12.1 ft3 | 85.0 ft3 | -72.9 ft3 |
None of our members have yet commented on the seat room and comfort of the 2012 Lexus HS.
| 2009 Mercedes-Benz R-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2008 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
Very roomie see full Mercedes-Benz R-Class review |
| 2009 Mercedes-Benz R-Class Seat Room and Comfort: Cons | ||
| Year | Body/Powertrain | Comment |
| 2009 | 4dr SUV 268-horsepower 3.5L V6 7-speed shiftable automatic AWD |
Three different lumbar pumps...don't seem to be very different in what is inflated. see full Mercedes-Benz R-Class review |