GMC Heavy Conventional depreciation
A 2018 GMC Heavy Conventional averages $23,177 — a 2013 averages $11,066 (52% lower).
Updated July 25, 2026 · Live dealer listing data
Average price by model year
| Year | Average price | Avg. mileage | vs. previous year | Listings |
|---|---|---|---|---|
| 2018 | $23,177 | 93,126 | +$2,494 | 62 |
| 2017 | $20,683 | 104,651 | +$9,272 | 73 |
| 2015 | $11,411 | 147,008 | +$270 | 12 |
| 2014 | $11,141 | 158,083 | +$75 | 35 |
| 2013 | $11,066 | 135,726 | — | 18 |
Frequently asked questions
How much does a GMC Heavy Conventional depreciate per year?
A GMC Heavy Conventional averages out to roughly 10.4% of value lost per year, though real-world depreciation is front-loaded — steepest in the first few years. A 2018 averages $23,177, while a 2013 — 5 years older — averages $11,066: 52% lower overall. Figures come from live dealer listings, updated July 25, 2026.
Which GMC Heavy Conventional model year is cheapest?
The 2013 GMC Heavy Conventional is the most affordable model year we track, averaging $11,066 — 52% below the 2018 average of $23,177. Compare every year in the table above.
How many GMC Heavy Conventional model years can I compare here?
This depreciation curve covers 5 model years, from 2013 to 2018, each averaged from live dealer listings and refreshed daily.
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