| Model Year | 2020 | 2013 | |
| Model | Lexus IS | Mercedes-Benz M-Class | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr Sedan | 4dr SUV | |
| Difference | |||
| Wheelbase | 110.2 in | 114.8 in | -4.6 in |
| Length | 184.3 in | 189.1 in | -4.8 in |
| Width | 71.3 in | 75.2 in | -3.9 in |
| Height | 56.3 in | 70.7 in | -14.4 in |
| Curb Weight | 3583 lb. | 4751 lb. | -1168 lb. |
| Fuel Capacity | 17.4 gal. | 24.6 gal. | -7.2 gal. |
| Headroom, Row 1 | 38.2 in | 38.9 in | -0.7 in |
| Shoulder Room, Row 1 | 55.9 in | 58.5 in | -2.6 in |
| Hip Room, Row 1 | 54.3 in | 0.0 in | 54.3 in |
| Legroom, Row 1 | 44.8 in | 40.3 in | 4.5 in |
| Headroom, Row 2 | 36.9 in | 38.5 in | -1.6 in |
| Shoulder Room, Row 2 | 53.4 in | 58.4 in | -5 in |
| Hip Room, Row 2 | 54.0 in | 0.0 in | 54 in |
| Legroom, Row 2 | 32.2 in | 38.4 in | -6.2 in |
| Total Legroom | 77 in (over 2 rows) | 78.7 in (over 2 rows) | -1.7 in |
| Cargo Volume, Minimum | 10.8 ft3 | 36.2 ft3 | -25.4 ft3 |
| Cargo Volume, Maximum | 10.8 ft3 | 71.0 ft3 | -60.2 ft3 |
None of our members have yet commented on the seat room and comfort of the 2020 Lexus IS.
| 2013 Mercedes-Benz M-Class Seat Room and Comfort: Pros | ||
| Year | Body/Powertrain | Comment |
| 2013 | 4dr SUV turbocharged 240hp 3.0L V6 Diesel 7-speed shiftable automatic AWD |
No more back or leg pain on long trips. see full Mercedes-Benz M-Class review |