2020 GMC Sierra: trims, real prices & how to pick yours
239 builds left the factory as a 2020 Sierra, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 129 main configurations sell for $15,485–$70,498 today. Page 1 of 5.
- 129 main configurations
- 103,950 vehicles built
- 2,916 for sale right now
- $15,485–$70,498 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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Denali · 4WD 3GTU9FED-L5.3L 8-cyl, Four-wheel drive. 1,397 built.
$18,665 great deal $36,772 typical $44,998 top of market -
Elevation · 4WD 1GTV9CET-L3L 6-cyl, Four-wheel drive. 64 built.
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SLE · 4WD 1GT59ME7-L6.6L 8-cyl, Four-wheel drive. 72 built.
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AT4 · 4WD 3GTP9EED-L5.3L 8-cyl, Four-wheel drive. 2,098 built.
$23,242 great deal $36,221 typical $44,990 top of market -
Denali · 4WD 3GTU9FEL-L6.2L 8-cyl, Four-wheel drive. 3,828 built.
$26,995 great deal $38,990 typical $49,995 top of market -
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Fleet/Base · 4WD 1GTU9AEF-L5.3L 8-cyl, Four-wheel drive. 564 built.
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SLE · 4WD 1GTR9BED-L5.3L 8-cyl, Four-wheel drive. 963 built.
$18,302 great deal $28,999 typical $33,374 top of market -
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Fleet/Base · 4WD 1GT49LEY-L6.6L 8-cyl, Four-wheel drive. 145 built.
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Elevation · 4WD 3GTU9CET-L
3L 6-cyl, Four-wheel drive. 765 built.
$23,210 great deal $29,995 typical $39,850 top of market -
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SLE · 4WD 1GT49TE7-L
6.6L 8-cyl, Four-wheel drive. 267 built.
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Most common — 11% of 2020 SierrasSLT · 4WD 3GTU9DED-L
5.3L 8-cyl, Four-wheel drive. 11,467 built.
$24,174 great deal $33,991 typical $42,398 top of market -
AT4 · 4WD 1GT19PEY-L
6.6L 8-cyl, Four-wheel drive. 412 built.
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What actually differs
| SLT · 4WD | Denali · 4WD 3GTU9FEL-L | AT4 · 4WD | Denali · 4WD 3GTU9FED-L | |
|---|---|---|---|---|
| Engine | 5.3L 8-cyl | 6.2L 8-cyl | 5.3L 8-cyl | 5.3L 8-cyl |
| Typical price today | $33,991 | $38,990 | $36,221 | $36,772 |
| For sale right now | 357 | 113 | 72 | 46 |
| Vehicles built | 11,467 | 3,828 | 2,098 | 1,397 |
Same on every 2020 Sierra
- Drivetrain Four-wheel drive
- Fuel Gasoline
- Body Pickup
- Doors 4-door
What people actually pay
4,561 price observations · updated Aug 30, 2026Safety, in plain English
- ✓ Warns you before a crash (optional)
- ✓ Watches your blind spot
- ✓ Warns when you drift from your lane (optional)
- ✓ Steers you back into the lane (optional)
- ✓ Keeps distance on the highway (optional)
What 3GTU9FED-L means
- 3GT
- the World Manufacturer Identifier GMC registered — assembled in Mexico
- U9FED
- together encode the Sierra line — Pickup, 5.3L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
- L
- in position 10 — model year 2020
- 9, 11–17
- differ on every car: check digit, plant code and the serial number
27 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.
- Fleet/Base 6.6L 8cyl Pickup 1GT18LE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT58PEY-L Fewer than 20 known vehicles
- AT4 3L 6cyl Pickup 1GTR9EET-L Fewer than 20 known vehicles
- AT4 6.2L 8cyl Pickup 3GTP9EEL-L Fewer than 20 known vehicles
- SLT 5.3L 8cyl Pickup 3GTU9DFD-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete 1GD19LE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT28LE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete 1GD48PE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT38LE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT29LEY-L Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT29NEY-L Fewer than 20 known vehicles
- SLE 6.6L 8cyl Incomplete 1GD38RE7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Incomplete 1GD08LE7-L Fewer than 20 known vehicles
- 3.9L 1GTUPFEL-L Fewer than 20 known vehicles
- SLE 6.6L 8cyl Incomplete 1GD49TE7-L Fewer than 20 known vehicles
- Base configuration 00TU9AEF-L Fewer than 20 known vehicles
- SLT 5.3L 8cyl Pickup 3GT49DED-L Fewer than 20 known vehicles
- Fleet/Base 2.7L 4cyl Pickup 3GTP8LEK-L Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT58MEY-L Fewer than 20 known vehicles
- SLE 5.3L 8cyl Pickup 1GTU8BED-L Fewer than 20 known vehicles
- SLE 6.6L 8cyl Incomplete 1GD38REY-L Fewer than 20 known vehicles
- SLE 6.6L 8cyl Pickup 1GT48MEY-L Fewer than 20 known vehicles
- 6.6L 8cyl Pickup 1GT599E7-L Fewer than 20 known vehicles
- Fleet/Base 6.6L 8cyl Pickup 1GT59LEY-L Fewer than 20 known vehicles
- SLT 6.2L 8cyl Pickup 1GTR9DEL-L Fewer than 20 known vehicles
- SLT 6.6L 8cyl Pickup 1GT48SEY-L Fewer than 20 known vehicles
- Elevation 5.3L 8cyl Pickup 1GTV8CED-L 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.