{
 "name": "2018 GMC Sierra",
 "page": "https://honestcarvalue.com/value/gmc/sierra/2018/",
 "publisher": "Honest Car Value",
 "dateModified": "2026-10-23T16:43:21.055067+00:00",
 "answer": "Dealers typically ask about $33,590 for a 2018 GMC Sierra (median asking price; middle 50% $27,590–$35,290), based on 21 cited listings from Carvana observed Oct 23, 2026.",
 "valuation": {
  "method": "Median of asking/sold prices of cited comparable 2018 GMC Sierra listings observed in the last 120 days. Minimum 5 comps required.",
  "n": 21,
  "min_comps": 5,
  "status": "ok",
  "value": 33590,
  "p25": 27590,
  "p75": 35290,
  "observed_from": "2026-10-23T16:00:00+00:00",
  "observed_to": "2026-10-23T16:00:00+00:00"
 },
 "comps": [
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 36990,
   "mileage": 62000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab Denali 5 3/4 ft",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 35590,
   "mileage": 60000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 33590,
   "mileage": 75000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab Denali 5 3/4 ft",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 33990,
   "mileage": 58000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab SLT 5 3/4 ft",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 30990,
   "mileage": null,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab SLT 5 3/4 ft",
   "source": "carvana",
   "mileage_precision": null,
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 37590,
   "mileage": 62000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab Denali 5 3/4 ft",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 31990,
   "mileage": 73000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 26990,
   "mileage": 124000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 26990,
   "mileage": 105000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 35990,
   "mileage": 46000,
   "state": null,
   "city": null,
   "trim": null,
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 33990,
   "mileage": 52000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 35990,
   "mileage": 42000,
   "state": null,
   "city": null,
   "trim": null,
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 27590,
   "mileage": 108000,
   "state": null,
   "city": null,
   "trim": null,
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 34590,
   "mileage": 48000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 30990,
   "mileage": 80000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 33590,
   "mileage": 56000,
   "state": null,
   "city": null,
   "trim": null,
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 27590,
   "mileage": null,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": null,
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 34990,
   "mileage": 56000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 22990,
   "mileage": 105000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 31990,
   "mileage": 82000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  },
  {
   "make": "GMC",
   "model": "Sierra",
   "year": 2018,
   "price_usd": 27590,
   "mileage": 100000,
   "state": null,
   "city": null,
   "trim": "1500 Crew Cab",
   "source": "carvana",
   "mileage_precision": "1000",
   "vin": null,
   "kind": "listing",
   "observed_on": "2026-10-23T16:00:00+00:00",
   "source_url": "https://www.carvana.com/cars/gmc-sierra-1500-2018",
   "fetched_at": "2026-10-23T16:00:00+00:00",
   "content_hash": "232c724f6fe17340ed7fd339b2926128074379e6326822f9ed52a761d758d592"
  }
 ],
 "recalls": []
}