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 2 of 5.

  • 136 main configurations
  • 159,974 vehicles built
  • 4,346 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

What actually differs

Elevation · 4WD AT4 · 4WD SLT · 4WD SLE · 4WD
Engine 5.3L 8-cyl 5.3L 8-cyl 6.2L 8-cyl 5.3L 8-cyl
Typical price today $32,266 $37,500 $36,005 $32,521
For sale right now 86 121 76 38
Vehicles built 3,766 3,613 2,394 1,839
Same on every 2021 Sierra
  • Drivetrain Four-wheel drive
  • Fuel Gasoline
  • Body Pickup
  • Doors 4-door

What people actually pay

6,192 price observations · updated Aug 30, 2026
Elevation · 4WD
$32,266
AT4 · 4WD 1GTP9EED-M
$37,500
SLT · 4WD 3GTU9DEL-M
$36,005
SLE · 4WD
$32,521
SLT · 4WD 1GTU9DET-M
$33,325
AT4 · 4WD 1GT49VEY-M
$49,670
$20,075 $31,768 $43,461 $55,154 $66,847
Price trend

Median up $500 over the last 7 months.

2021 Sierra price history →
Will it hold value?

A Sierra typically keeps about 63% of its price over 5 years — a 5-year-old one runs about $23,086 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 2021 Sierra

Safety, in plain English

What 1GTR9CEK-M means

1GT R9CEK · M
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
R9CEK
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
19 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.

2021 GMC Sierra prices →