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Used 2026 GMC Sierra 2500 HD in Illinois

7 listings from 5 dealer lots in Illinois, $58,372 to $84,372 (median $75,179). 1 price drop this week. Newest first. Refine with filters

  1. 2026 GMC Sierra 2500 HD SLT
    166 mi·4WD·Summit WhiteBob Brockland Buick GMC · Columbia, IL
    $68,090
  2. 2026 GMC Sierra 2500 HD AT4
    10,689 mi·4WD·Coastal DuneCastle Chevrolet North · Elk Grove Village, IL
    $72,377
  3. 2026 GMC Sierra 2500 HD Denali Crew Cab
    11,235 mi·4WD·Downpour MetallicShottenkirk Chevrolet Quincy · Quincy, IL
    $75,179
  4. 2026 GMC Sierra 2500 HD Denali Ultimate
    19,548 mi·4WD·Glacier White TricoatLaura Buick GMC · Collinsville, IL
    $82,372
  5. 2026 GMC Sierra 2500 HD SLE
    4,864 mi·4WD·Summit WhiteLaura Buick GMC · Collinsville, IL
    $58,372
  6. 2026 GMC Sierra 2500 HD Denali Ultimate
    10,255 mi·4WD·Glacier White TricoatLaurel BMW of Westmont · Chicago, IL
    $82,909$83,790
    $881 price drop
  7. 2026 GMC Sierra 2500 HD Denali Ultimate
    11,447 mi·4WD·Glacier White TricoatLaura Buick GMC · Collinsville, IL
    $84,372$85,372
    $1,000 price drop

See every model: Used GMC Sierra 2500 HD for sale.

Lower asking prices in Illinois, the cars priced below their matching comparison median.

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