| 1 | 0 | 3 | 4 | 3 | 4 |
2018 GMC Sierra HD and 2012 Specifications
| Model Year | 2018 | 2012 | |
| Model | GMC Sierra HD | ||
| Engine | |||
| Transmission | |||
| Drivetrain | |||
| Body | |||
| Difference | |||
| Total Legroom | 0 in (over 1 rows) | 0 in (over 1 rows) | 0 in |
What Our Members Are Saying about the Seat Room and Comfort of the 2018 GMC Sierra HD
None of our members have yet commented on the seat room and comfort of the 2018 GMC Sierra HD.
What Our Members Are Saying about the Seat Room and Comfort of the 2012
None of our members have yet commented on the seat room and comfort of the 2012 .
See TrueDelta's information for all GMC models.
