Used 2020 GMC Sierra 3500 SLE trucks for sale near you
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Vehicle Information
- Ext. color
- Summit White
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Diesel
- Transmission
- Automatic
- Engine
- Turbocharged Diesel V8 6.6L/403
- Stock #
- G61285A
- VIN
- 1GD49SEY9LF267409
Features
- Convenience
- Keyless Entry
- Entertainment
- Bluetooth®
- Exterior
- Tow Hooks
- Safety
- Backup Camera
- Stability Control
Dealer
Liberty GMCReviews
Liberty GMC review
contacted and emailed me. discussions stopped when I asked what the dealership costs were; asked for a print out but never got onel
2020 GMC Sierra 3500 review
Great vehicle for pulling my fifth wheel RV which weighs around 20,000 pounds. This dually truck pulls the RV very nicely without any significant strain on the engine or the transmission. However, like all of today's diesel engines there are 4 different system of emissions on this truck. Each one of these emission systems has sensors associated with them. If one of these sensors goes bad the truck will not perform optimally and sometimes it will go into the limp mode. Unfortunately this is not unique to GMC trucks. All manufacturers are battling this system. Also, I have had to take the truck to the dealer for computer upgrades in order to improve performance. I wish these upgrades could be performed on line (through wifi or with my own phone service). It sure would make things a lot simpler and improve the through put of the dealers who are already strained because of the limited number of available diesel mechanics.
-
Vehicle Information
- Ext. color
- Summit White
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Diesel
- Transmission
- Automatic
- Engine
- Turbocharged Diesel V8 6.6L/403
- Stock #
- G61285A
- VIN
- 1GD49SEY9LF267409
Features
- Convenience
- Keyless Entry
- Entertainment
- Bluetooth®
- Exterior
- Tow Hooks
- Safety
- Backup Camera
- Stability Control
Dealer
Liberty GMCReviews
Liberty GMC review
contacted and emailed me. discussions stopped when I asked what the dealership costs were; asked for a print out but never got onel
2020 GMC Sierra 3500 review
Great vehicle for pulling my fifth wheel RV which weighs around 20,000 pounds. This dually truck pulls the RV very nicely without any significant strain on the engine or the transmission. However, like all of today's diesel engines there are 4 different system of emissions on this truck. Each one of these emission systems has sensors associated with them. If one of these sensors goes bad the truck will not perform optimally and sometimes it will go into the limp mode. Unfortunately this is not unique to GMC trucks. All manufacturers are battling this system. Also, I have had to take the truck to the dealer for computer upgrades in order to improve performance. I wish these upgrades could be performed on line (through wifi or with my own phone service). It sure would make things a lot simpler and improve the through put of the dealers who are already strained because of the limited number of available diesel mechanics.
-
Vehicle Information
- Ext. color
- Summit White
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Gasoline
- Transmission
- Automatic
- Engine
- Gas V8 6.6L/
- Stock #
- 42096A
- VIN
- 1GT49TE71LF166561
Features
- Convenience
- Keyless Entry
- Entertainment
- Bluetooth®
- WiFi Hotspot
- Exterior
- Alloy Wheels
- Tow Hitch
- Tow Hooks
- Safety
- Backup Camera
- Stability Control
Dealer
Karl ChevroletReviews
Karl Chevrolet review
Linda Lou was amazing as always, she answered all of my 1000 questions and never hesitated to test drive anything I was interested in. Aaron in the finance department was very responsive and helpful as well.
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$40,398
Est. $759/mo Ruby Mountain Motors Blue Lakes
Check Availability Vehicle Information
- Ext. color
- Onyx Black
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Gasoline
- Transmission
- Automatic
- Engine
- 6.6L V8 16V GDI OHV
- Stock #
- TW10652
- VIN
- 1GT49TE7XLF224747
Features
- Entertainment
- Apple CarPlay®
- Bluetooth®
- Premium Sound System
- USB Port
- Exterior
- Tow Hitch
- Safety
- Backup Camera
- Brake Assist
- Stability Control
Dealer
Ruby Mountain Motors Blue LakesReviews
Ruby Mountain Motors Blue Lakes review
They did a great job for me. They follow through with their word! Great staff!
2020 GMC Sierra 3500 review
Nicest truck I have ever owned preforms great with my RV Truck is comfortable and still works great when you need it to preform. Ride is nice and very roomy for all that want to travel with me
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Vehicle Information
- Ext. color
- Summit White
- Int. color
- Dark Walnut/Slate
- Drivetrain
- Four-wheel Drive
- Fuel type
- Gasoline
- Transmission
- Automatic
- Engine
- 6.6L V-8 gasoline direct injection, variable valve control, regu
- Stock #
- A28909
- VIN
- 1GT49TE74LF249711
Features
- Convenience
- Keyless Entry
- Entertainment
- Apple CarPlay®
- Bluetooth®
- USB Port
- WiFi Hotspot
- Exterior
- Alloy Wheels
- Tow Hitch
- Tow Hooks
- Safety
- Backup Camera
- Brake Assist
- LED Headlights
- Stability Control
Dealer
Auto Boutique TexasReviews
Auto Boutique Texas review
The car advertised online was the one I bought for the advertised price. No pressure.
2020 GMC Sierra 3500 review
Good power plenty of room the truck has all kind of new technology in it that helps with driving safety and with job performance Awesome
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Vehicle Information
- Ext. color
- Onyx Black
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Gasoline
- Transmission
- Automatic
- Engine
- 6.6L V-8 direct injection, variable valve control, regular gasol
- Stock #
- P00237
- VIN
- 1GT49TE72LF148926
Features
- Convenience
- Heated Seats
- Heated Steering Wheel
- Keyless Entry
- Keyless Start
- Remote Start
- Entertainment
- Android Auto®
- Apple CarPlay®
- Bluetooth®
- Premium Sound System
- USB Port
- WiFi Hotspot
- Exterior
- Alloy Wheels
- Tow Hitch
- Tow Hooks
- Safety
- Automatic Emergency Braking
- Backup Camera
- Brake Assist
- LED Headlights
- Stability Control
Dealer
Woody Buick GMC of GurneeReviews
Woody Buick GMC of Gurnee review
Jamie did a great job helping us find the right car and made the purchasing process quick and painless. Wonderful!
2020 GMC Sierra 3500 review
The Texas Edition combined with the X31 package and premium SLT makes a very nice combination. The Sierra 3500HD gives you a luxury interior and ride with all the capabilities of a great pulling truck. The Duramax is quiet yet powerful. It is no doubt the best of trucks for 2020.
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Vehicle Information
- Ext. color
- Summit White
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Diesel
- Transmission
- Automatic
- Engine
- Duramax 6.6L V-8 direct injection, intercooled turbo, diesel, en
- Stock #
- GS245579
- VIN
- 1GD49TEY4LF245579
Features
- Convenience
- Heated Seats
- Heated Steering Wheel
- Keyless Entry
- Keyless Start
- Remote Start
- Entertainment
- Android Auto®
- Apple CarPlay®
- Bluetooth®
- Premium Sound System
- USB Port
- WiFi Hotspot
- Exterior
- Tow Hooks
- Safety
- Automatic Emergency Braking
- Brake Assist
- LED Headlights
- Stability Control
Dealer
Green Light Auto SalesReviews
Green Light Auto Sales review
The sales people were very helpful. They had the vehicle all ready for me to test drive. They addressed the concerns I expressed and the car was all ready to go when I picked it up.
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Vehicle Information
- Ext. color
- Onyx Black
- Int. color
- Jet Black
- Drivetrain
- Four-wheel Drive
- Fuel type
- Diesel
- Transmission
- Automatic
- Engine
- 6.6L V8 32V DDI OHV Turbo Diesel
- Stock #
- P50103
- VIN
- 1GT49TEY9LF251513
Features
- Entertainment
- Apple CarPlay®
- Bluetooth®
- Premium Sound System
- Satellite Radio
- USB Port
- Exterior
- Tow Hitch
- Safety
- Backup Camera
- Brake Assist
- Stability Control
Dealer
Vendetti Buick GMCReviews
Vendetti Buick GMC review
Went in for a scheduled oil change. When service was being done they found a problem with the front end of my truck. Taking longer than anticipated, Jamie Chofay, service manager, offered to lend me a car to go home until the work on my truck was completed. Long story short, Vendetti Motors went above and beyond in helping me have a great experience that day. Thank you very much.
2020 GMC Sierra 3500 review
Comfort, ease of driving, style, convenient for work and we LOVE the tailgate! Great for towing our heavy fifth wheel and our dogs are riding in style!!
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$67,981
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$75,139
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$73,526
New 2026 GMC Sierra 3500 SLE -
GMC Sierra 3500 prices by year
| Model year | Average price | Deals |
|---|---|---|
| 2026 GMC Sierra 3500 SLE |
|
|
| 2025 GMC Sierra 3500 SLE | $58,171 |
|
| 2024 GMC Sierra 3500 SLE | $56,321 |
|
About the 2020 GMC Sierra 3500 SLE
SLE shown.
- Seating
- 3
- Door count
- 2
- Drivetrain
- Rear Wheel Drive
- Combined MPG
- 0
- Transmission
- 6-Speed A/T
- Engine
- 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
How much does the 2020 GMC Sierra 3500 SLE cost?
The 2020 GMC Sierra 3500 SLE price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Sierra 3500 SLE is $40,011, with pricing starting at $36,220.
What are some similar vehicles and competitors of the 2020 GMC Sierra 3500 SLE?
The 2020 GMC Sierra 3500 SLE compares to and/or competes against the following vehicles:
- RAM 3500
- GMC Sierra 2500
- GMC Sierra 1500 Hybrid
- Chevrolet Silverado 3500
- Chevrolet Silverado 2500
Is the 2020 GMC Sierra 3500 SLE reliable?
The 2020 GMC Sierra 3500 has an average reliability rating of 4.9 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 Sierra 3500 owners.
100% of drivers recommend this car
- Comfort
- 4.9
- Interior
- 4.9
- Performance
- 4.9
- Value
- 4.7
- Exterior
- 5.0
- Reliability
- 4.9
SLE (8 styles)
| Style | |||||||
|---|---|---|---|---|---|---|---|
| 4WD Reg Cab 142" SLE | 2WD Reg Cab 142" SLE | 4WD Double Cab 162" SLE | 2WD Double Cab 162" SLE | 4WD Crew Cab 172" SLE | 2WD Crew Cab 172" SLE | 4WD Crew Cab 159" SLE | 2WD Crew Cab 159" SLE |
| Inventory price | |||||||
| Starting at $44,400 | Starting at $41,600 | Starting at $46,600 | Starting at $43,800 | Starting at $48,400 | Starting at $45,600 | Starting at $48,200 | Starting at $45,400 |
| Combined MPG | |||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Engine | |||||||
| 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 445.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) |
2020 GMC Sierra 3500 trims
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2020 GMC Sierra 3500 Denali
17 Great Deals out of 95 listings starting at $38,350