The 2014 typically asks 56% less than the 2018 in this snapshot, across 4 model years.
The 2014 GMC Heavy Conventional asks about 56% less than the 2018 across 4 model years — the curve below tracks every year from 2018 to 2014, priced from 245 live dealer listings.
These are current dealer asking prices for different vehicles, not a forecast, original MSRP comparison or final sale prices. Mileage, trim, condition and generation changes can affect the gap. No qualified five-model-year price gap is highlighted. The table shows the available years, prices and sample sizes.
◷ Updated September 10, 2026 ▤ National asking prices, refreshed daily
10% of the 2018 price
Across the 2014–2018 model years, 2018 → 2017 is the biggest single-model-year asking-price step in this sample.
Priced from 60 and 100 live listings.
Typical asking price by model year, newest on the left — labels compare asking prices with the 2018. Hover a point for that year's price band.
A 2014 GMC Heavy Conventional typically lists at $10,393 — 56% below the 2018's $23,390.
| Year | Typical price | Share of baseline ask | vs. next-newer year | Avg. mileage | Listings |
|---|---|---|---|---|---|
| 2018 | $23,390 | 100% | — | 88,520 | 60 |
| 2017 | $20,986 | 90% | −$2,404 | 98,421 | 100 |
| 2016 | $15,932 | 68% | −$5,054 | 113,744 | 12 |
| 2015 | $14,275 | 61% | −$1,657 | 121,697 | 16 |
| 2014 | $10,393 | 44% | −$3,882 | 159,469 | 39 |
| 2013 | $12,298 | 53% | +$1,905 | 112,861 | 18 |
Typical price is the median (or average when the median is unavailable) asking price of that model year's live dealer listings, national. Share of baseline ask is each year's asking price as a percentage of the newest year's asking price in the same group of available model years. Updated September 10, 2026.
This snapshot does not measure annual depreciation of one car. The 2014 typically asks $10,393, 56% below the 2018's $23,390. These are different vehicles listed on September 10, 2026; mileage, trim, condition and redesigns can affect the difference.
A 2014 GMC Heavy Conventional asks about 44% of the 2018's typical asking price ($10,393 vs $23,390). The “Share of baseline ask” column in the table above shows the same share for every model year in between.
The 2014 GMC Heavy Conventional is the most affordable model year we track, typically listed at $10,393 — 56% below the 2018's typical $23,390. Compare every year in the table above.
This depreciation curve covers 6 model years, from 2013 to 2018, each priced from live dealer listings and refreshed daily.
Check individual VINs before you buy — decode the exact trim and mileage, see every active listing, and how each price compares to the local market.
