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 $2,995–$35,549 today. Page 5 of 5.

  • 79 main configurations
  • 28,318 vehicles built
  • 400 for sale right now
  • $2,995–$35,549 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

SLT SLE · 4WD 3GTP2VEA-C SLE · 4WD 1GT423CG-C Work Truck/Fleet/Base
Engine 5.3L 8-cyl 4.8L 8-cyl 6L 8-cyl 6L 8-cyl
Vehicles built 215 103 48 34
Same on every 2012 Sierra
  • Drivetrain Four-wheel drive
  • Fuel Gasoline
  • Body Pickup
  • Doors 4-door
  • For sale right now 2
Price trend

Median up $550 over the last 7 months.

2012 Sierra price history →
Will it hold value?

A Sierra typically keeps about 85% of its price over 5 years — a 5-year-old one runs about $11,995 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 1GT423CG-C means

1GT 423CG · C
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
423CG
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
7 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 →