| Model Year | 2018 | 2012 | |
| Model | Mercedes-Benz GLS | Honda Insight | |
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | 4dr SUV | 4dr Hatch | |
| Difference | |||
| Wheelbase | 121.1 in | 100.4 in | 20.7 in |
| Length | 202.0 in | 172.3 in | 29.7 in |
| Width | 76.1 in | 66.7 in | 9.4 in |
| Height | 72.8 in | 56.2 in | 16.6 in |
| Curb Weight | 5400 lb. | 2747 lb. | 2653 lb. |
| Fuel Capacity | 26.4 gal. | 10.6 gal. | 15.8 gal. |
| Headroom, Row 1 | 41.2 in | 38.4 in | 2.8 in |
| Shoulder Room, Row 1 | 58.5 in | 52.7 in | 5.8 in |
| Hip Room, Row 1 | 0.0 in | 51.6 in | -51.6 in |
| Legroom, Row 1 | 40.3 in | 42.3 in | -2 in |
| Headroom, Row 2 | 40.0 in | 36.4 in | 3.6 in |
| Shoulder Room, Row 2 | 58.3 in | 50.4 in | 7.9 in |
| Hip Room, Row 2 | 0.0 in | 48.7 in | -48.7 in |
| Legroom, Row 2 | 38.5 in | 33.0 in | 5.5 in |
| Headroom, Row 3 | 38.9 in | 0.0 in | 38.9 in |
| Shoulder Room, Row 3 | 50.5 in | 0.0 in | 50.5 in |
| Legroom, Row 3 | 35.0 in | 0.0 in | 35 in |
| Total Legroom | 113.8 in (over 3 rows) | 75.3 in (over 2 rows) | 38.5 in |
| Cargo Volume, Minimum | 16.0 ft3 | 15.9 ft3 | 0.1 ft3 |
| Cargo Volume, Behind R2 | 49.4 ft3 | 15.9 | 33.5 ft3 |
| Cargo Volume, Maximum | 93.8 ft3 | 31.5 ft3 | 62.3 ft3 |
None of our members have yet commented on the seat room and comfort of the 2018 Mercedes-Benz GLS.
None of our members have yet commented on the seat room and comfort of the 2012 Honda Insight.