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2020 GMC Sierra 3500HD

Cararam archives 125 Copart and IAAI auction results for 2020 GMC Sierra 3500HD. Based on 112 recorded USD final bids, the median final bid is $19,650. The most common recorded damage category is front end. Median recorded odometer across 91 actual readings is 86,319 mi. Records span Oct 17, 2022 to Oct 1, 2026. Past Copart and IAAI auction results for the 2020 GMC Sierra 3500HD. See final bids, damage, title status, odometer and full photos for each 2020 GMC Sierra 3500HD lot.

Auction data

125
Archived lots
112
Recorded final bids
$19,650
Median final bid

112 records

$20,048
Average final bid

112 records

$13,575 – $26,000
Typical bid range
$400 / $43,750
Lowest / highest bid
86,319 mi
Median odometer

91 records

89%
Lots with keys
Oct 17, 2022 – Oct 1, 2026
Records from

Most common damage

  • Front end — 41%
  • Side — 12%
  • Rear end — 10%

Sierra 3500HD years

GMC models

Check any 2020 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

125 archived Copart and IAAI lots, with auction dates from Oct 17, 2022 to Oct 1, 2026.

Across 112 recorded USD final bids in this archive, the median is $19,650 and the average is $20,048.

The most frequently recorded category is front end, at 41% of the archived lots.

The median actual odometer reading across 91 records is 86,319 mi.

Each 2020 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.