2020 Chevrolet Silverado 3500HD — Used Buying Guide
6 years old · used value range $22,720 – $34,372 · max towing 36,000 lb · max payload 7,442 lb
The 2020 Silverado 3500HD at a glance
The 2020 Chevrolet Silverado 3500HD is a 6-year-old used pickup that originally listed at approximately $72,000 for a base configuration. After 6 years of ownership-cycle depreciation, fair market value for typical-mileage examples lands between $22,720 and $34,372, with low-mileage clean-title trucks pushing toward the upper bound and higher-mileage or salvage-history trucks anchoring the lower bound.
The Silverado 3500HD at this model year was built on the Chevrolet light-duty platform and offered in regular, extended, and crew cab body styles. Maximum trailer towing capability for this year is 36,000 lb when properly equipped (typically requires the optional max tow package and the right axle ratio); maximum payload is 7,442 lb in the lightest cab/bed/drivetrain combination.
Available engines for 2020
| Powertrain | 6.6L L8T V8 Gas |
| Powertrain | 6.6L L5P Duramax Diesel V8 (470 hp / 975 lb-ft) |
Configuration options
| Cab options | Crew Cab · Extended Cab · Regular Cab |
| Bed options | 5'7" Short · 6'5" Standard · 8'0" Long |
| Available trims | WT, LT, LTZ, High Country |
| Max towing capacity | 36,000 lb (properly equipped) |
| Max payload capacity | 7,442 lb |
EPA fuel economy ranges for this model year
| Powertrain class | City mpg | Highway mpg |
|---|---|---|
| Gasoline V6 | 15 | 26 |
| Gasoline V8 | 14 | 19 |
| Diesel | 21 | 31 |
Common issues for the 2020 Silverado 3500HD
- Same CP4 / DEF concerns as 2500HD
- DRW tire wear monitoring critical
- Heavy frame loading from gooseneck use can stress hitch mounting points
Service history matters more on this model year than mileage alone. A 2020 Silverado 3500HD with documented oil changes, transmission services performed at the recommended interval, and any open recalls completed is worth meaningfully more than an undocumented truck of the same mileage. Ask the seller for the maintenance binder; if it does not exist, ask the local Chevrolet dealership to pull the VIN history before you commit to a price.
2020 Silverado 3500HD listings on TruckLot
| Trim & Body | Miles | Price | State |
|---|---|---|---|
| WT Crew Cab |
76,481 mi | $25,925 | Pueblo, Colorado |
| WT Extended Cab |
78,304 mi | $24,760 | Philadelphia, Pennsylvania |
| WT Extended Cab |
58,021 mi | $29,129 | Wilmington, Delaware |
| LTZ Extended Cab |
56,392 mi | $30,003 | Memphis, Tennessee |
| LT Extended Cab |
71,517 mi | $32,916 | Tucson, Arizona |
| High Country Extended Cab |
93,447 mi | $30,294 | Tampa, Florida |
Should you buy a 2020 Silverado 3500HD right now?
The honest answer depends on three variables: how the truck was used, what powertrain it has, and what comparable competitors are listed for in your state. A 2020 Silverado 3500HD with a clean service history, the volume powertrain (avoid first-year-of-production engines unless you have done your homework), and a price near the middle of the $22,720–$34,372 range is usually a sound buy.
If you are cross-shopping the same model year against competitors, our comparison guides work through the trade-offs with real numbers. Diesel premium, towing differences, payload differences, and depreciation curves are all spelled out so you can decide whether the $3,000–$8,000 difference between similar trucks is justified for your use case.