2021 GMC Sierra: trims, real prices & how to pick yours
250 builds left the factory as a 2021 Sierra, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 136 main configurations sell for $16,500–$69,999 today. Page 5 of 5.
- 136 main configurations
- 159,925 vehicles built
- 4,338 for sale right now
- $16,500–$69,999 typical price range
Which Sierra 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
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Elevation · 4WD 3GTP9GEK-M2.7L 4-cyl, Four-wheel drive. 446 built.
$24,995 great deal $30,500 typical $33,480 top of market -
SLT 3GTP8DED-M5.3L 8-cyl. 3,495 built.
$22,449 great deal $34,220 typical $41,998 top of market -
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SLT · 4WD 1GT49NE7-M6.6L 8-cyl, Four-wheel drive. 807 built.
$35,706 great deal $43,991 typical $52,372 top of market -
Most common — 3% of 2021 Sierras
SLT · 4WD 3GTU9DET-M3L 6-cyl, Four-wheel drive. 4,509 built.
$23,999 great deal $33,999 typical $44,985 top of market -
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Denali · 4WD 1GTU9FET-M3L 6-cyl, Four-wheel drive. 2,453 built.
$26,500 great deal $37,637 typical $47,980 top of market -
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SLE · 4WD 3GTU9BET-M
3L 6-cyl, Four-wheel drive. 1,032 built.
$22,888 great deal $30,322 typical $43,995 top of market -
SLE · 4WD 1GTU9BED-M
5.3L 8-cyl, Four-wheel drive. 979 built.
$19,500 great deal $30,390 typical $38,050 top of market -
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Fleet/Base · 4WD 1GTR9AEF-M
5.3L 8-cyl, Four-wheel drive. 638 built.
$16,500 great deal $25,925 typical $33,975 top of market -
Fleet/Base · 4WD 1GT19LE7-M
6.6L 8-cyl, Four-wheel drive. 200 built.
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Elevation · 4WD 3GTP9CEK-M
2.7L 4-cyl, Four-wheel drive. 812 built.
$22,245 great deal $28,987 typical $38,798 top of market -
Denali · 4WD 3GTU9FED-M
5.3L 8-cyl, Four-wheel drive. 2,925 built.
$27,995 great deal $38,725 typical $49,420 top of market
What actually differs
| SLT · 4WD | SLT | Denali · 4WD 3GTU9FED-M | Denali · 4WD 1GTU9FET-M | |
|---|---|---|---|---|
| Engine | 3L 6-cyl | 5.3L 8-cyl | 5.3L 8-cyl | 3L 6-cyl |
| Fuel | Diesel | Gasoline | Gasoline | Diesel |
| Typical price today | $33,999 | $34,220 | $38,725 | $37,637 |
| For sale right now | 180 | 76 | 74 | 81 |
| Vehicles built | 4,509 | 3,495 | 2,925 | 2,453 |
Same on every 2021 Sierra
- Drivetrain Four-wheel drive
- Body Pickup
- Doors 4-door
What people actually pay
6,192 price observations · updated Aug 30, 2026
SLT · 4WD
$33,999
SLT
$34,220
Denali · 4WD
3GTU9FED-M
$38,725
Denali · 4WD
1GTU9FET-M
$37,637
SLE · 4WD
3GTU9BET-M
$30,322
SLE · 4WD
1GTU9BED-M
$30,390
$16,005
$25,490
$34,975
$44,459
$53,944
Safety, in plain English
What 3GTP9GEK-M means
3GT
P9GEK
·
M
- 3GT
- the World Manufacturer Identifier GMC registered — assembled in Mexico
- P9GEK
- together encode the Sierra line — Pickup, 2.7L 4cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
- M
- in position 10 — model year 2021
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
26 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.
- AT4 5.3L 8cyl Pickup 1GTR9EED-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT38PE7-M Fewer than 20 known vehicles
- 6.5L 8cyl 1GT9RAEF-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD59TE7-M Fewer than 20 known vehicles
- Elevation 5.3L 8cyl Pickup 1GT49CED-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT58MEY-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT29MEY-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD39SEY-M Fewer than 20 known vehicles
- SLT 5.3L 8cyl Pickup 3GT49DED-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD28LE7-M Fewer than 20 known vehicles
- Elevation 5.3L 8cyl Pickup 1GTU8CED-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD39SE7-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT28ME7-M Fewer than 20 known vehicles
- SLE 5.3L 8cyl Pickup 1GTV9BED-M Fewer than 20 known vehicles
- Denali 3L 6cyl Pickup 3GT49FET-M Fewer than 20 known vehicles
- Base configuration 001GT49P-Y Fewer than 20 known vehicles
- SLE 3L 6cyl Pickup 1GTR8BET-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT29LEY-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT09ME7-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD48PEY-M Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT48SE7-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD59LE7-M Fewer than 20 known vehicles
- SLT 6.6L 8cyl Incomplete - Chassis CAB (Double CAB) 1GD59NE7-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete - Chassis CAB (Single CAB) 1GD09LE7-M Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT58LEY-M Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT38REY-M Fewer than 20 known vehicles
Already looking at a specific Sierra?
Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.