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 5 of 5.

  • 129 main configurations
  • 103,965 vehicles built
  • 2,965 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

What actually differs

Denali · 4WD 1GT49REY-L Denali · 4WD 1GTU9FEL-L AT4 · 4WD Elevation · 4WD
Engine 6.6L 8-cyl 6.2L 8-cyl 6.2L 8-cyl 5.3L 8-cyl
Fuel Diesel Gasoline Gasoline Gasoline
Typical price today $52,995 $38,500 $36,995 $31,193
For sale right now 304 200 103 98
Vehicles built 11,217 6,132 3,556 3,002
Same on every 2020 Sierra
  • Drivetrain Four-wheel drive
  • Body Pickup
  • Seats 6
  • Doors 4-door

What people actually pay

4,561 price observations · updated Aug 30, 2026
Denali · 4WD 1GT49REY-L
$52,995
Denali · 4WD 1GTU9FEL-L
$38,500
AT4 · 4WD
$36,995
Elevation · 4WD 3GTU9CED-L
$31,193
Denali · 4WD 1GTU9FED-L
$36,489
Elevation · 4WD 1GTR9CEK-L
$27,900
$23,275 $35,610 $47,944 $60,279 $72,613
Price trend

Median down $845 over the last 6 months.

2020 Sierra price history →
Will it hold value?

A Sierra typically keeps about 59% of its price over 5 years — a 5-year-old one runs about $20,995 today.

Sierra depreciation by year →
Cost to run

23/30 mpg city/highway. Roughly $1,790/yr on fuel at 15,000 miles.

EPA estimate for the 2020 Sierra

Safety, in plain English

Driver assistance — varies by configuration
  • ✓ Watches your blind spot (optional)
  • ✓ Steers you back into the lane (optional)
Decoded from NHTSA build records.

What 1GT39TEY-L means

1GT 39TEY · L
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
39TEY
together encode the Sierra line — Pickup, 6.6L 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
16 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

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.

2020 GMC Sierra prices →