Used 2023 GMC Sierra 2500 HD engines & transmissions
1 engine option and 5 transmission options for the 2023 GMC Sierra 2500 HD, 6 in stock to buy online. Engine size: 6.6L. Transmissions: automatic. Drivetrain: 4X2 and 4X4. Units differ by engine code, so check the VIN code column against your VIN, or send us your VIN and we'll match it before anything ships.
2023 GMC Sierra 2500 HD engines
1 option · $4,660 – $7,355
| Engine | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| (6.6L), Gasoline , opt L8TTF-E007589 | 7 (digit 8) | 10,000–104,000 mi | from $4,660 | In stock |
2023 GMC Sierra 2500 HD transmissions
5 options · $3,970 – $8,785
| Transmission | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| (AT), Diesel, 4x2, opt MGMTF-T007588 | By VIN | 26,000–86,000 mi | from $4,967 | In stock |
| (AT), Diesel, 4x4, opt MGMTF-T007587 | By VIN | 26,000–98,000 mi | from $5,509 | In stock |
| (AT), Diesel, 4x4, opt MGUTF-T001313 | By VIN | 22,000–97,000 mi | from $4,499 | In stock |
| (AT), Gasoline, 4x2TF-T007586 | By VIN | 13,000–55,000 mi | from $3,970 | In stock |
| (AT), Gasoline, 4x4TF-T007585 | By VIN | 4,000–101,000 mi | from $4,150 | In stock |
Which 2023 Sierra 2500 HD unit fits yours?
The VIN code tells them apart. Decode your VIN, or text it to us and we'll confirm the match.