2019 GMC Sierra HD: trims, real prices & how to pick yours
71 builds left the factory as a 2019 Sierra HD, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 24 main configurations sell for $15,999–$61,998 today. Page 1 of 2.
- 24 main configurations
- 20,331 vehicles built
- 407 for sale right now
- $15,999–$61,998 typical price range
Which Sierra HD is yours?
Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.
Works with any VIN — a different year or model takes you straight to its own page.
Pick your Sierra HD
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Denali · 4WD 1GT12SEG-K6L 8-cyl, Four-wheel drive. 313 built.
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Fleet/Base · 4WD 1GT12NEY-K6.6L 8-cyl, Four-wheel drive. 673 built.
$19,348 great deal $29,000 typical $38,453 top of market -
SLE · 4WD 1GT12PEY-K6.6L 8-cyl, Four-wheel drive. 303 built.
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SLE · 4WD 2GT22PEG-K6L 8-cyl, Four-wheel drive. 347 built.
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SLE · 4WD 1GT12PEG-K6L 8-cyl, Four-wheel drive. 189 built.
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Most common — 11% of 2019 Sierra HDs
SLT · 4WD 1GT12REY-K6.6L 8-cyl, Four-wheel drive. 2,328 built.
$23,900 great deal $39,593 typical $49,851 top of market -
SLT · 4WD 1GT42VCY-K6.6L 8-cyl, Four-wheel drive. 529 built.
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SLT · 4WD 1GT12REG-K6L 8-cyl, Four-wheel drive. 418 built.
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Fleet/Base · 4WD 1GT42TCG-K
6L 8-cyl, Four-wheel drive. 72 built.
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SLT · 4WD 1GT42VEY-K
6.6L 8-cyl, Four-wheel drive. 298 built.
What actually differs
| SLT · 4WD 1GT12REY-K | Fleet/Base · 4WD | SLT · 4WD 1GT42VCY-K | SLT · 4WD 1GT12REG-K | |
|---|---|---|---|---|
| Engine | 6.6L 8-cyl | 6.6L 8-cyl | 6.6L 8-cyl | 6L 8-cyl |
| Fuel | Diesel | Diesel | Diesel | Gasoline |
| Typical price today | $39,593 | $29,000 | $39,393 | $38,337 |
| For sale right now | 44 | 12 | 14 | 9 |
| Vehicles built | 2,328 | 673 | 529 | 418 |
Same on every 2019 Sierra HD
- Drivetrain Four-wheel drive
- Body Pickup
- Doors 4-door
What people actually pay
506 price observations · updated Aug 30, 2026
SLT · 4WD
$39,593
Fleet/Base · 4WD
$29,000
$18,767
$26,912
$35,057
$43,202
$51,347
Safety, in plain English
Driver assistance — varies by configuration
- ✓ Warns you before a crash
- ✓ Warns when you drift from your lane
What 1GT12SEG-K means
1GT
12SEG
·
K
- 1GT
- the World Manufacturer Identifier GMC registered — assembled in the United States
- 12SEG
- together encode the Sierra HD line — Pickup, 6L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
- K
- in position 10 — model year 2019
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
33 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.
- SLE 6.6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD32UCY-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 2GD21NEG-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD32TEG-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Pickup 1GT12NEG-6 Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 2GD22NEG-K Fewer than 20 known vehicles
- SLT 6L 8cyl Pickup 1GT11REG-K Fewer than 20 known vehicles
- SLE 6L 8cyl Pickup 1GT11UEG-K Fewer than 20 known vehicles
- SLE 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD42UEY-K Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT11PEY-K Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD32TEY-K Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT41VCY-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD11NEG-K Fewer than 20 known vehicles
- SLE 6L 8cyl Pickup 1GT11PEG-K Fewer than 20 known vehicles
- SLT 6L 8cyl Pickup 1GT42VEG-K Fewer than 20 known vehicles
- 6L 8cyl Pickup 1GT129EG-K Fewer than 20 known vehicles
- Pickup 1GT12BEY-K Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT41TCY-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD32TCG-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD42TEG-K Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD42TEY-K Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT11REY-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD12NEG-K Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD41TCY-K Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT11NEY-K Fewer than 20 known vehicles
- SLT 6L 8cyl Pickup 1GT42VCG-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD31TCG-K Fewer than 20 known vehicles
- SLE 6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD32UCG-K Fewer than 20 known vehicles
- Fleet/Base 6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD42TCG-K Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT12REY-R Fewer than 20 known vehicles
- Denali 6.6L 8cyl Pickup 1GT11SEY-K Fewer than 20 known vehicles
- SLE 6L 8cyl Incomplete - Chassis CAB (Double CAB) 2GD21PEG-K Fewer than 20 known vehicles
- SLE 6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD42UCG-K Fewer than 20 known vehicles
- Denali 6L 8cyl Pickup 1GT41WEG-K Fewer than 20 known vehicles
Already looking at a specific Sierra HD?
Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.