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FinalBid / Copart + IAAI

2006 GMC Sierra Denali auction results: final bids and sale history

FinalBid holds 181 completed Copart and IAAI auctions for 2006 GMC Sierra Denali. Across 175 recorded USD final bids, the median sold price is $1,600. Most of those cars were sold with front end. Half of the 37 verified odometer readings sit above 181,754 mi. The oldest auction in the archive closed in Jun 18, 2019, the newest in Oct 23, 2026. Auction results for the 2006 GMC Sierra Denali at Copart and IAAI. Each sold lot below shows the final bid together with the damage, odometer and title that explain it, so you can see where a particular 2006 GMC Sierra Denali belongs in the sold-price range rather than guessing at an average.

$1,425
Median final bid
$938–$2,200
Middle half
$3,135
Top 10% from
$7,600
Highest

Price index

Median final bid by month (line) and number of sales (bars), last 12 months.

$500 $2,330 $4,170 $6,000 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Sep Oct $1,350

Copart vs IAAI

Copart 21 sold median $1,400
IAAI 19 sold median $1,450

Last 12 months · updated October 14, 2026

Sierra Denali years

2008 2007 2006 2005 2004 2003

GMC models

1 Ton Pickups 2500 Pickups 3500 Pickups Acadia Caballero Canyon Denali Envoy HUMMER EV HUMMER EV Pickup Jimmy Rally S15 4WD Safari Safari Cargo Savana Savana Cargo Savana Commercial Sierra 1500 Sierra 1500HD Sierra 1500HD Classic Sierra 2500 Sierra 2500HD Sierra 3500 Sierra 3500HD Sierra Denali Sierra Denali Classic Sierra EV Sonoma Suburban Terrain Van Vandura Yukon Yukon Denali Yukon XL

Auction archive FAQ

How much does a 2006 GMC Sierra Denali sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2006 GMC Sierra Denali was $1,425; half of the 40 sales went for $938 to $2,200.

Is a 2006 GMC Sierra Denali cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $1,400, IAAI $1,450.

How much does a 2006 GMC Sierra Denali sell for at auction?

The auction results listed here are the answer — every 2006 GMC Sierra Denali lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2006 GMC Sierra Denali final bid to the bottom of the range?

Water and fire losses, missing keys, deployed airbags and a branded title. Any two of those together usually explain a sold price that looks improbably low.

VIN history beyond the auction

Look past the final bid on any 2006 GMC Sierra Denali

Title brands, accident reports and odometer entries: the VIN history behind any auction lot.

Example VIN history →