Live US dealer listings Median-priced benchmark Updated 2026-08-30
Market price · Used 2017 GMC Heavy Conventional 86 listings tracked

Used 2017 GMC Heavy Conventional Price in the US

A used 2017 GMC Heavy Conventional in the US typically lists for $18,702–$23,646, with a median asking price of $20,777 across 86 active US dealer listings (as of 2026-08-30). The cheapest one listed right now is $3,870, a 2017 92 5 In in Ronan, MT — below 95% of the market, so expect an older model year, a base trim or high mileage.

Used 2017 GMC Heavy Conventional · asking prices86 listings
$15k$27k
Typical range
$18,702 – $23,646
Median
$20,777
Cheapest 5%
under $15,738
Cheapest listed now
$3,870

Browse by model year

cheapest per year

Cheapest 10 listed right now

ranked by price
  1. $3,870
    2017 GMC Heavy Conventional 92 5 In
    91,043 mi · Ronan, MT · Don Aadsen Ford
    View listing →
  2. 2017 GMC Heavy Conventional
    $11,000
    2017 GMC Heavy Conventional 92 5 In
    176,972 mi · Sturgis, SD · Limitless Auto Sales
    View listing →
  3. $13,988
    2017 GMC Heavy Conventional 92 5 In
    120,832 mi · Chamberlain, SD · Daryl's Auto Service
    View listing →
  4. 2017 GMC Heavy Conventional
    $14,150
    2017 GMC Heavy Conventional 108 In BBC
    163,461 mi · Pueblo, CO · Gallery Auto Auction
    View listing →
  5. 2017 GMC Heavy Conventional
    $15,700
    2017 GMC Heavy Conventional 108 In BBC
    155,703 mi · Sioux Falls, SD · Sioux Falls Ford Lincoln
    View listing →
  6. 2017 GMC Heavy Conventional
    $15,850
    2017 GMC Heavy Conventional 92 5 In
    100,299 mi · Slidell, LA · Bottner Industries LLC
    View listing →
  7. 2017 GMC Heavy Conventional
    $15,900
    2017 GMC Heavy Conventional 92 5 In
    126,378 mi · Mokena, IL · Benton Cars
    View listing →
  8. $15,990
    2017 GMC Heavy Conventional 92 5 In
    116,171 mi · Dickson, TN · Underhill Motors
    View listing →
  9. 2017 GMC Heavy Conventional
    $16,505
    2017 GMC Heavy Conventional 92 5 In
    137,488 mi · Millington, MI · McDonald Chevrolet
    View listing →
  10. $16,760
    2017 GMC Heavy Conventional 92 5 In
    131,793 mi · Gatesville, TX · Spur Chrysler Dodge Jeep Ram LLC
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2017 GMC Heavy Conventional asks $18,702–$23,646. Cars this far under usually carry an older model year, a base trim or high mileage.

FAQ

How much does a used 2017 GMC Heavy Conventional cost?

A used 2017 GMC Heavy Conventional in the US typically lists for $18,702 to $23,646, with a median asking price of $20,777 across 86 active US dealer listings. Nine in ten are priced between $15,738 and $26,371 (as of 2026-08-30, source: UnderMarket Cars).

Is $21,000 a good price for a used 2017 GMC Heavy Conventional?

That sits at about the market median ($20,777) for a used 2017 GMC Heavy Conventional. Under $18,702 puts you in the cheapest quarter of active US listings and under $15,738 in the cheapest 5%; above $26,371 is the priciest 5% (as of 2026-08-30).

What is the cheapest used 2017 GMC Heavy Conventional for sale right now?

$3,870 — a 2017 GMC Heavy Conventional 92 5 In in Ronan, MT, $16,907 under the median (as of 2026-08-30).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

UnderMarket Cars refreshes US dealer listings continuously and re-generates this used 2017 GMC Heavy Conventional price page at least twice a day. The data date shown on this page is 2026-08-30.

Explore more

Search with map & filters

Prices updated 2026-08-30. Data covers active dealer listings across the USA.