| Model Year | 2020 | 2009 | |
| Model | Lexus GS | Mercedes-Benz R-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 2,850 mm | 3,216 mm | -1 mm |
| Length | 4,879 mm | 5,156 mm | -1 mm |
| Width | 1,839 mm | 1,923 mm | 0 mm |
| Height | 1,455 mm | 1,661 mm | 0 mm |
| Curb Weight | 1,690 kg | 2,190 kg | -1 kg |
| Fuel Capacity | 66 L | 95 L | -29 L |
| Headroom, Row 1 | 965 mm | 1,011 mm | 964 mm |
| Shoulder Room, Row 1 | 1,455 mm | 1,532 mm | 0 mm |
| Hip Room, Row 1 | 1,384 mm | 0 mm | 1 mm |
| Legroom, Row 1 | 1,074 mm | 1,011 mm | 0 mm |
| Headroom, Row 2 | 960 mm | 1,026 mm | 959 mm |
| Shoulder Room, Row 2 | 1,415 mm | 1,514 mm | 0 mm |
| Hip Room, Row 2 | 1,374 mm | 0 mm | 1 mm |
| Legroom, Row 2 | 935 mm | 919 mm | 16 mm |
| Headroom, Row 3 | 0 mm | 945 mm | -945 mm |
| Shoulder Room, Row 3 | 0 mm | 1,341 mm | -1 mm |
| Legroom, Row 3 | 0 mm | 823 mm | -823 mm |
| Total Legroom | 2,009 mm (over 2 rows) | 2,753 mm (over 3 rows) | 0 mm |
| Cargo Volume, Minimum | 459 L | 433 L | 26 L |
| Cargo Volume, Behind R2 | 16.2 | 1,195 L | 15.2 |
| Cargo Volume, Maximum | 16.2 | 2,407 L | 14.2 |
None of our members have yet commented on the seat room and comfort of the 2020 Lexus GS.
| 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 |