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2018 GMC Sierra 3500HD

Cararam archives 67 Copart and IAAI auction results for 2018 GMC Sierra 3500HD. Based on 64 recorded USD final bids, the median final bid is $10,700. The most common recorded damage category is front end. Median recorded odometer across 45 actual readings is 134,557 mi. Records span Jan 31, 2024 to Sep 14, 2026. Past Copart and IAAI auction results for the 2018 GMC Sierra 3500HD. See final bids, damage, title status, odometer and full photos for each 2018 GMC Sierra 3500HD lot.

Auction data

67
Archived lots
64
Recorded final bids
$10,700
Median final bid

64 records

$11,137
Average final bid

64 records

$6,400 – $14,925
Typical bid range
$25 / $27,000
Lowest / highest bid
134,557 mi
Median odometer

45 records

90%
Lots with keys
97% / 3%
Copart / IAAI
Jan 31, 2024 – Sep 14, 2026
Records from

Most common damage

  • Front end — 40%
  • Side — 13%
  • All over — 7%

Sierra 3500HD years

GMC models

Check any 2018 GMC Sierra 3500HD before you buy

Reported accidents, odometer rollbacks, title brands and past owners — get the full history report for any VIN.

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VIN patterns

Frequently asked questions

67 archived Copart and IAAI lots, with auction dates from Jan 31, 2024 to Sep 14, 2026.

Across 64 recorded USD final bids in this archive, the median is $10,700 and the average is $11,137.

The most frequently recorded category is front end, at 40% of the archived lots.

The median actual odometer reading across 45 records is 134,557 mi.

Each 2018 GMC Sierra 3500HD lot below shows its final bid — the clearest guide to current salvage and used values for that year.

Review the primary and secondary damage, title type, odometer (and whether it’s actual), keys and airbag status before bidding.