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FinalBid / Copart + IAAI

2020 GMC Sierra 1500 auction results: final bids and sale history

FinalBid holds 3,927 completed Copart and IAAI auctions for 2020 GMC Sierra 1500. Across 3,695 recorded USD final bids, the median sold price is $13,500. Most of those cars were sold with front end. Half of the 2,537 verified odometer readings sit above 85,049 mi. The oldest auction in the archive closed in Apr 24, 2020, the newest in Oct 15, 2026. Auction results for the 2020 GMC Sierra 1500 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 2020 GMC Sierra 1500 belongs in the sold-price range rather than guessing at an average.

$12,200
Median final bid
$9,100–$15,400
Middle half
$19,200
Top 10% from
$34,950
Highest

Price index

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

$10,600 $11,700 $12,800 $13,900 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct $11,500

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 1,246 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
80%
$12,500 2020
Mexico
16%
$11,000 2020
Oman
1%
$12,000 2020
United Arab Emirates
0.7%
$7,900 2020
Guatemala
0.6%
$10,000 2020
El Salvador
0.2%
$13,300 2020
Bahamas
0.2%
$12,975 2020
Canada
0.2%
$11,600 2020
Georgia
0.2%
$14,800 2020
Honduras
0.2%
$12,300 2020
Panama
0.2%
$15,600 2020
Belize
0.1%
$15,100 2020
Other countries 0%

Country totals only. Individual lots do not show the buyer's country.

Copart vs IAAI

Copart 1,046 sold median $12,100
IAAI 577 sold median $12,400

Last 12 months · updated October 14, 2026

Top recent results

The highest final bids among the latest sales.

Date Vehicle Damage Final bid
Oct 1, 2026 2020 GMC Sierra 1500 Denali Normal wear $25,250
Oct 8, 2026 2020 GMC Sierra 1500 AT4 Vandalism $24,400
Oct 6, 2026 2020 GMC Sierra 1500 Denali Missing/altered VIN $21,700
Oct 15, 2026 2020 GMC Sierra 1500 AT4 Vandalism $21,600
Oct 7, 2026 2020 GMC Sierra 1500 SLT Side $17,000
Oct 9, 2026 2020 GMC Sierra 1500 SLE Minor dents & scratches $16,000
Oct 7, 2026 2020 GMC Sierra 1500 Denali Side $16,000
Oct 13, 2026 2020 GMC Sierra 1500 AT4 Front end $15,275
Oct 6, 2026 2020 GMC Sierra 1500 AT4 Front end $15,200
Oct 12, 2026 2020 GMC Sierra 1500 Denali Rear end $15,100
Oct 9, 2026 2020 GMC Sierra 1500 Denali Side $15,100
Oct 1, 2026 2020 GMC Sierra 1500 AT4 Front end $15,100
Oct 6, 2026 2020 GMC Sierra 1500 Denali Minor dents & scratches $15,000

Sierra 1500 years

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1969 1968 1966 1964 1955 1948

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 EV Sonoma Suburban Terrain Van Vandura Yukon Yukon Denali Yukon XL

Auction archive FAQ

How much does a 2020 GMC Sierra 1500 sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2020 GMC Sierra 1500 was $12,200; half of the 1,623 sales went for $9,100 to $15,400.

Where do 2020 GMC Sierra 1500 cars from US auctions go?

Among sales with a known buyer country: United States (80%), Mexico (16%), Oman (1%).

Is a 2020 GMC Sierra 1500 cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $12,100, IAAI $12,400.

How much does a 2020 GMC Sierra 1500 sell for at auction?

The auction results listed here are the answer — every 2020 GMC Sierra 1500 lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2020 GMC Sierra 1500 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 2020 GMC Sierra 1500

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

Example VIN history →