

Model Year | 2011 | 2020 | |
Model | Cadillac STS | Chevrolet Sonic | |
Engine | |||
Transmission | |||
Drivetrain | |||
Body | 4dr Sedan | 4dr Sedan | |
Difference | |||
Wheelbase | 116.4 in | 99.4 in | 17 in |
Length | 196.7 in | 173.9 in | 22.8 in |
Width | 72.6 in | 68.3 in | 4.3 in |
Height | 57.6 in | 59.7 in | -2.1 in |
Curb Weight | 3973 lb. | 2857 lb. | 1116 lb. |
Fuel Capacity | 17.0 gal. | 12.2 gal. | 4.8 gal. |
Headroom, Row 1 | 38.7 in | 38.7 in | 0 in |
Shoulder Room, Row 1 | 58.6 in | 53.4 in | 5.2 in |
Hip Room, Row 1 | 54.6 in | 51.4 in | 3.2 in |
Legroom, Row 1 | 42.6 in | 41.8 in | 0.8 in |
Headroom, Row 2 | 37.9 in | 37.8 in | 0.1 in |
Shoulder Room, Row 2 | 57.4 in | 53.0 in | 4.4 in |
Hip Room, Row 2 | 55.6 in | 51.6 in | 4 in |
Legroom, Row 2 | 38.3 in | 34.6 in | 3.7 in |
Total Legroom | 80.9 in (over 2 rows) | 76.4 in (over 2 rows) | 4.5 in |
Cargo Volume | 13.8 ft3 | 14.9 ft3 | -1.1 ft3 |
None of our members have yet commented on the seat room and comfort of the 2011 Cadillac STS.
None of our members have yet commented on the seat room and comfort of the 2020 Chevrolet Sonic.