2012 GMC Sierra: trims, real prices & how to pick yours

207 builds left the factory as a 2012 Sierra, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 79 main configurations sell for $4,679–$25,999 today. Page 4 of 5.

  • 79 main configurations
  • 28,340 vehicles built
  • 361 for sale right now
  • $4,679–$25,999 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

SLE · 4WD SLE Denali · 4WD SLT · 4WD
Engine 5.3L 8-cyl 5.3L 8-cyl 6.2L 8-cyl 6.6L 8-cyl
Fuel Gasoline Gasoline Gasoline Diesel
Doors 2-door — — 4-door
Typical price today $12,950 $11,500 $16,382 $20,450
For sale right now 47 21 9 5
Vehicles built 3,806 2,291 995 389
Same on every 2012 Sierra
  • Drivetrain Four-wheel drive
  • Body Pickup

What people actually pay

334 price observations · updated Sep 6, 2026
SLE · 4WD
$12,950
SLE
$11,500
$4,538 $10,098 $15,659 $21,219 $26,779
Price trend

Median up $145 over the last 7 months.

2012 Sierra price history →
Will it hold value?

A Sierra typically keeps about 81% of its price over 5 years — a 5-year-old one runs about $11,500 today.

Sierra depreciation by year →
Cost to run

15/20 mpg city/highway. Roughly $2,740/yr on fuel at 15,000 miles.

EPA estimate for the 2012 Sierra

Safety, in plain English

What 1GT121CG-C means

1GT 121CG · C
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
121CG
together encode the Sierra line — Pickup, 6L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
C
in position 10 — model year 2012
9, 11–17
differ on every car: check digit, plant code and the serial number
28 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.

2012 GMC Sierra prices →