Used GMC Heavy Conventional Prices by Year
As of November 2026, a used GMC Heavy Conventional typically lists for $20,583 in the US. Depending on model year, typical asking prices run from $9,993 for a 2014 to $22,979 for a 2018 — every figure below is a national median of 236 live listings, not a book value, and the Heavy Conventional steps down a median 10.4% per model year of age.
GMC Heavy Conventional price by model year
| Year | Typical price | Most listings fall between | Avg mileage | EPA combined | NCAP | For sale |
|---|---|---|---|---|---|---|
| 2018 | $22,979 | $18,494 – $27,543 | 92,356 mi | — | — | 75 |
| 2017 | $20,583 | $15,623 – $24,904 | 106,368 mi | — | — | 82 |
| 2016 | $18,778 | $13,995 – $22,590 | 103,527 mi | — | — | 21 |
| 2014 | $9,993 | $6,840 – $16,397 | 145,839 mi | — | — | 38 |
| 2013 | $12,798 | $7,496 – $16,223 | 101,889 mi | — | — | 20 |
“Typical price” is the national median asking price; the range covers the middle 80% of listings (10th–90th percentile), so it excludes teaser and outlier prices on both ends.
Cheapest GMC Heavy Conventional
The cheapest quotable model year is the 2014, typically listing for $9,993 (most between $6,840 and $16,397) with an average odometer of 145,839 miles. Before chasing the lowest price, weigh mileage against a one-year-newer car — each model year of age saves a median 10.4%, and the per-year table above shows where the price-per-mile balance is best. See the cheapest GMC Heavy Conventional listings for sale →
Most expensive GMC Heavy Conventional
The priciest used model year is the 2018 at a typical $22,979 (most between $18,494 and $27,543).
Frequently asked questions
How much does a used GMC Heavy Conventional cost?
As of November 2026, a used GMC Heavy Conventional typically lists for $20,583 nationally. Depending on model year, typical prices run from $9,993 (2014) to $22,979 (2018), based on 236 live listings.
How much is a 2018 GMC Heavy Conventional?
A used 2018 GMC Heavy Conventional typically lists for $22,979, with most asking prices between $18,494 and $27,543. Average odometer reading is 92,356 miles.
What's the cheapest year of the GMC Heavy Conventional worth looking at?
The 2014 model year is the least expensive quotable year at a typical $9,993 — but compare its mileage (145,839 miles on average) and per-year table above before deciding; a newer year at a small premium often carries far fewer miles.
How fast does the GMC Heavy Conventional depreciate?
Across adjacent model years currently on the market, the Heavy Conventional steps down a median 10.4% per model year of age — e.g. moving one year older typically saves about that share of the price.
How much is a used 2017 GMC Heavy Conventional?
A used 2017 GMC Heavy Conventional typically lists for $20,583, with most asking prices between $15,623 and $24,904; average odometer is 106,368 miles (82 for sale).
https://vehisales.com/research/prices/gmc/heavy-conventional.
See also: GMC Heavy Conventional hub — live listings & specs · All model price pages · Best used cars by budget.