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FinalBid / Copart + IAAI

1988 GMC Sierra 1500 auction results: final bids and sale history

FinalBid holds 106 completed Copart and IAAI auctions for 1988 GMC Sierra 1500. Across 103 recorded USD final bids, the median sold price is $450. Most of those cars were sold with front end. Half of the 30 verified odometer readings sit above 189,501 mi. The oldest auction in the archive closed in Aug 19, 2019, the newest in Oct 13, 2026. Auction results for the 1988 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 1988 GMC Sierra 1500 belongs in the sold-price range rather than guessing at an average.

$500
Median final bid
$350–$725
Middle half
$990
Top 10% from
$7,000
Highest
1988 GMC Sierra 1500
Sold

1988 GMC Sierra 1500

IAAI 42003638 1GTDK14K8JZ550198

Front end · 122,470 mi · Missoula, MT, USA

Clean title · Keys Aug 2, 2025

Price index

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

$300 $500 $700 $900 Oct Dec Dec Jan Mar Mar May May Jul Jul Aug Oct $425

Copart vs IAAI

Copart 8 sold median $650
IAAI 25 sold median $475

Last 12 months · updated October 14, 2026

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 1967 1966 1964 1962 1957 1956 1955 1948

GMC models

Acadia Caballero Canyon Denali Envoy Hummer EV Jimmy Rally 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 1988 GMC Sierra 1500 sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 1988 GMC Sierra 1500 was $500; half of the 33 sales went for $350 to $725.

Is a 1988 GMC Sierra 1500 cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $650, IAAI $475.

How much does a 1988 GMC Sierra 1500 sell for at auction?

The auction results listed here are the answer — every 1988 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 1988 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 1988 GMC Sierra 1500

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

Example VIN history →