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FinalBid / Copart + IAAI

2018 GMC Sierra 1500 auction results: final bids and sale history

FinalBid holds 5,211 completed Copart and IAAI auctions for 2018 GMC Sierra 1500. Across 4,856 recorded USD final bids, the median sold price is $7,800. Most of those cars were sold with front end. Half of the 3,478 verified odometer readings sit above 111,823 mi. The oldest auction in the archive closed in Jun 11, 2019, the newest in Oct 12, 2026. Auction results for the 2018 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 2018 GMC Sierra 1500 belongs in the sold-price range rather than guessing at an average.

Final bid VIN Copart IAAI

Auction results at a glance

Auctions on record
5,211
Final bids recorded
4,856
Median final bid from 4,856 auctions
$7,800
Average final bid from 4,856 auctions
$8,384
Where most final bids land
$5,300 – $10,800
Median odometer from 3,478 auctions
111,823 mi
Sold with keys
93%
Copart / IAAI
70% / 30%
Auction dates
Jun 11, 2019 – Oct 12, 2026

Damage recorded at sale

  • Front end 48%
  • Side 13%
  • Rear end 11%

Top recent results

The highest final bids among the latest sales.

Date Vehicle Damage Final bid
Oct 9, 2026 2018 GMC Sierra 1500 Denali Front end $17,200
Oct 6, 2026 2018 GMC Sierra 1500 Denali Minor dents & scratches $15,900

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 auction history is there for 2018 GMC Sierra 1500?

5,211 completed Copart and IAAI auctions, with sale dates between Jun 11, 2019 and Oct 12, 2026.

What is the average final bid for 2018 GMC Sierra 1500 at auction?

Across 4,856 recorded USD sales the median final bid is $7,800, with the average pulled to $8,384 by the outliers at either end.

What damage do most 2018 GMC Sierra 1500 auction lots carry?

front end leads, on 48% of the auctions — worth knowing before you read the low end of the sold-price range.

How many miles do 2018 GMC Sierra 1500 cars have when sold at auction?

Half of the 3,478 verified odometer readings sit above 111,823 mi and half below it.

How much does a 2018 GMC Sierra 1500 sell for at auction?

The auction results listed here are the answer — every 2018 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 2018 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 2018 GMC Sierra 1500

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

Example VIN history →

VIN patterns

3GTU2NEC#JG###### · 1,831 3GTU2PEJ#JG###### · 627 3GTP1NEC#JG###### · 451 1GTV2MEC#JZ###### · 295 1GTN1LEC#JZ###### · 273 3GTU2NEJ#JG###### · 263 1GTV2LEC#JZ###### · 221 3GTU2MEC#JG###### · 211 3GTU2PEC#JG###### · 184 1GTV2NEC#JZ###### · 124 1GTN1LEH#JZ###### · 77 3GTU2NER#JG###### · 77 1GTR1LEC#JZ###### · 70 1GTR1LEH#JZ###### · 66 1GTV2LEH#JZ###### · 52 2GTV2MEC#J1###### · 46 3GTP1PEC#JG###### · 43 3GTU1NER#JG###### · 38 1GTV2MEH#JZ###### · 37 3GTP1MEC#JG###### · 37 3GTU2LEC#JG###### · 36 1GTN2LEC#JZ###### · 31 1GTR1MEC#JZ###### · 23 3GTP1PEJ#JG###### · 23 1GTV2NEJ#JZ###### · 15 1GTN2LEH#JZ###### · 14 1GTN2MEC#JZ###### · 9 3GTP1NEJ#JG###### · 8 1GTR1MEH#JZ###### · 5 1GTN1MEC#JZ###### · 4 1GTR1NEC#JZ###### · 4 3GTP1LEH#JG###### · 3 3GTP1MEH#JG###### · 3 3GTU2MEH#JG###### · 2 1GD02SEG#JZ###### · 1 1GT11SEY#JF###### · 1 1GTN1LEH#HZ###### · 1 2GTR1MEC#J1###### · 1 3GTP1LEC#JG###### · 1 3GTU1NEC#JG###### · 1 AL18AN01#00###### · 1