2006 GMC Sierra: trims, real prices & how to pick yours

151 builds left the factory as a 2006 Sierra, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. Page 4 of 4.

  • 63 main configurations
  • 17,459 vehicles built
  • 115 for sale right now

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.

Price trend

Median down $15,905 over the last 6 months.

2006 Sierra price history →
Will it hold value?

A Sierra typically keeps about 92% of its price over 5 years — a 5-year-old one runs about $10,087 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 2006 Sierra

What 1GTHK39U-6 means

1GT HK39U · 6
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
HK39U
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
6
in position 10 — model year 2006
9, 11–17
differ on every car: check digit, plant code and the serial number
5 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.

2006 GMC Sierra prices →