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370 listings
- Price Drop$47,995good price$8,322 below market
- 72,727 miles
- No accidents, 2 owners, personal use only
- 6'10” bed, 6.6l, 8cyl
- Trust Auto (453 mi away)
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Located in Sykesville, MD / 453 miles away from South Portland, ME
Trust Auto is pleased to be currently offering this Loaded 2021 GMC Sierra 3500HD SLT 4WD Crew Cab Pickup Truck w/Premium Pkg with 72,727mi. This GMC ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49UE71MF183674
Stock: 183674
Certified Pre-Owned: No
Listed since: 04-30-2025 - $53,998good price$3,434 below market
- 89,469 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Handy Buick GMC (162 mi away)
Close
Located in Saint Albans, VT / 162 miles away from South Portland, ME
CARFAX One-Owner.4x4, Diesel, Customer Trade In, 10-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 12-Volt Rear ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY2MF173952
Stock: 16812A
Certified Pre-Owned: No
Listed since: 11-22-2024 - New Listing$61,500good price$3,570 below market
- 55,496 miles
- No accidents, 3 owners, personal use only
- 6'10” bed, 6.6l, 8cyl
- Preston Ford of Denton (436 mi away)
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Located in Denton, MD / 436 miles away from South Portland, ME
10-Speed Automatic, 4WD, Jet Black Leather.Odometer is 11861 miles below market average!Founded in 1975, Preston has been providing a friendly, no-has...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY5MF230418
Stock: F240921A
Certified Pre-Owned: No
Listed since: 06-26-2025 - $49,990fair price$194 below market
- 77,310 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Cavallaro Neubauer Chevrolet (348 mi away)
Close
Located in Williamson, NY / 348 miles away from South Portland, ME
2021 GMC Sierra 3500HD AT4 Crew Cab in sharp Pacific Blue Metallic with a Jet Black and Kalahari Leather interior, with 77.3k miles and a Clean, One-O...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49VE70MF153877
Stock: 25419A
Certified Pre-Owned: No
Listed since: 06-16-2025 - Price Drop$57,990fair price$1,355 below market
- 79,653 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Hartway Motors (407 mi away)
Close
Located in Medina, NY / 407 miles away from South Portland, ME
DENALI ULTIMATE*, *DURAMAX DIESEL*, *SUNROOF*, *HEATED LEATHER*, *LOCAL ONE OWNER*, *CLEAN CARFAX*, *CARGO CONVENIENCE PKG*, *WE TRADE / FINANCE TRUCK...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY0MF146152
Stock: T1940
Certified Pre-Owned: No
Listed since: 06-18-2025 - New Listing$63,000good price$1,447 below market
- 30,133 miles
- No accidents, 1 owner, personal use
- 8'2” bed, 6.6l, 8cyl
- Handy Buick GMC (162 mi away)
Close
Located in Saint Albans, VT / 162 miles away from South Portland, ME
Recent Arrival!Priced below KBB Fair Purchase Price! Odometer is 9609 miles below market average!CARFAX One-Owner. Clean CARFAX.Customer Trade In, Dua...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY1MF314509
Stock: 17167A
Certified Pre-Owned: No
Listed since: 07-18-2025 - Price Drop
- 102,952 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Weirs GMC (18 mi away)
Close
Located in Arundel, ME / 18 miles away from South Portland, ME
CLEAN CARFAX/NO ACCIDENTS REPORTED, ONE OWNER, RECENT TRADE, Sierra 3500HD SLE, 4D Crew Cab, 6.6L V8, 6-Speed Automatic, 4WD, Summit White, Black Clot...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49TE74MF126928
Stock: G24042A
Certified Pre-Owned: Yes
Listed since: 03-24-2025 - $48,877great price$6,456 below market
- 97,884 miles
- No accidents, 2 owners, personal use only
- 6'10” bed, 6.6l, 8cyl
- Brattleboro Auto Mall (125 mi away)
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Located in Brattleboro, VT / 125 miles away from South Portland, ME
Priced below KBB Fair Purchase Price! This 2020 Onyx Black GMC Sierra 3500HD AT4 4WD is well equipped and includes these features and benefits: AT4 Pr...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49VEY9LF239762
Stock: G25212A
Certified Pre-Owned: No
Listed since: 04-30-2025 - 93,200 miles
- No accidents, 3 owners, personal use only
- 6'10” bed, 6.6l, 8cyl
- Fairfield's Buick GMC (112 mi away)
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Located in Keene, NH / 112 miles away from South Portland, ME
This 2021 Ebony Twilight Metallic GMC Sierra 3500HD Denali 4WD is well equipped and includes these features and benefits:Fairfield's Auto Group, locat...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY6MF305305
Stock: G25208B
Certified Pre-Owned: No
Listed since: 07-02-2025- 152,217 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- Sands Chrysler Jeep Dodge Ram (340 mi away)
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Located in Quakertown, PA / 340 miles away from South Portland, ME
2021 GMC Sierra 3500HDSANDS MARKET BASED PRICING, 6-Speed Automatic, 4WD, Jet Black Vinyl.Too new for photos!SANDS Chrysler Jeep Dodge Ram Quake...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49SE74MF244634
Stock: AD24098
Certified Pre-Owned: No
Listed since: 06-26-2025- $60,952great price$9,414 below market
- 52,503 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Robert Basil Buick GMC (430 mi away)
Close
Located in Orchard Park, NY / 430 miles away from South Portland, ME
CARFAX One-Owner. Clean CARFAX. Onyx Black 2022 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49VEY2NF320279
Stock: RB251332A
Certified Pre-Owned: No
Listed since: 07-05-2025 - New Listing
- 87,179 miles
- 6'10” bed, 6.6l, 8cyl
- Handy Buick GMC (162 mi away)
Close
Located in Saint Albans, VT / 162 miles away from South Portland, ME
Recent Arrival!10-Speed Automatic, 4WD, Jet Black Leather.2021 GMC Sierra 3500HD Denali Ebony Twilight Metallic Denali 4D Crew Cab 4WD 10-Speed Automa...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
Listing Information:
VIN: 1GT49WEY5MF233853
Stock: 17193A
Certified Pre-Owned: No
Listed since: 07-23-2025 - $53,900good price$3,308 below market
- 22,994 miles
- No accidents, 1 owner, personal use
- 6'10” bed, 6.6l, 8cyl
- Hudson Cadillac Buick GMC (230 mi away)
Close
Located in Poughkeepsie, NY / 230 miles away from South Portland, ME
WiFi Hotspot, Onboard Communications System, Aluminum Wheels, Hitch, GOOSENECK / 5TH WHEEL PREP PACKAGE, TRANSMISSION, 6-SPEED AUTOMATIC, HEAV... SLE ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49TE76NF283538
Stock: 31633
Certified Pre-Owned: No
Listed since: 06-20-2025 - Price Drop$61,498good price$5,141 below market
- 54,423 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Handy Buick GMC (162 mi away)
Close
Located in Saint Albans, VT / 162 miles away from South Portland, ME
Priced below KBB Fair Purchase Price! Odometer is 3424 miles below market average!CARFAX One-Owner. Clean CARFAX.4x4, Diesel, Recently Traded In, 10-S...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEYXNF245854
Stock: 16973A
Certified Pre-Owned: Yes
Listed since: 02-22-2025 - Price Drop$58,744good price$3,763 below market
- 55,599 miles
- No accidents, 2 owners, personal use only
- 8'2” bed, 6.6l, 8cyl
- Hyundai of Trenton (327 mi away)
Close
Located in Ewing, NJ / 327 miles away from South Portland, ME
Onyx Black 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather.Recent Arriva...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY3LF305227
Stock: 305227T01
Certified Pre-Owned: No
Listed since: 07-10-2025 - New Listing$68,903fair price$57 below market
- 3,891 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- Robert Basil Buick GMC (430 mi away)
Close
Located in Orchard Park, NY / 430 miles away from South Portland, ME
CARFAX One-Owner. Carbon Black Metallic 2020 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY1LF215946
Stock: RB260089A
Certified Pre-Owned: No
Listed since: 07-21-2025 - Price Drop$53,987fair price$2,053 below market
- 99,210 miles
- No accidents, 2 owners, personal use
- 6'10” bed, 6.6l, 8cyl
- Banks Chevrolet Buick GMC (68 mi away)
Close
Located in Concord, NH / 68 miles away from South Portland, ME
10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,2 USB Ports (First Row),2 USB Ports Inside Console,2nd Row Du...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49WEY5LF151359
Stock: T51359
Certified Pre-Owned: No
Listed since: 05-14-2025 - Price Drop$38,892fair price$817 below market
- 40,912 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- Colonial South Chevrolet (141 mi away)
Close
Located in North Dartmouth, MA / 141 miles away from South Portland, ME
Highlights of this 2022 GMC Sierra 3500HD include: CARFAX 1-Owner, ONLY 40,912 Miles! JUST REPRICED FROM $42,212, $2,500 below J.D. Power Retail! Runn...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT39SE70NF305166
Stock: 3609
Certified Pre-Owned: No
Listed since: 03-24-2025 - New Listing$41,900good price$1,127 below market
- 73,812 miles
- No accidents, 1 owner, personal use only
- 8'2” bed, 6.6l, 8cyl
- McGovern Ford of Lowell (87 mi away)
Close
Located in Lowell, MA / 87 miles away from South Portland, ME
McGovern Ford at Drum Hill is proud to present this McGovern Certified...Pacific Blue Metallic 2022 GMC Sierra 3500HD Regular Cab Pro 4WD Duramax 6.6L...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT39SEY3NF263326
Stock: FN6111A
Certified Pre-Owned: No
Listed since: 03-03-2025 - $45,444fair price$2,023 below market
- 53,821 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Candy Cars (296 mi away)
Close
Located in North Syracuse, NY / 296 miles away from South Portland, ME
Get ready to tackle any job with this high-performing used 2022 GMC Sierra 3500HD SLE pickup truck in Pacific Blue Metallic. With a powerful 6.6-liter...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49TE79NF202385
Stock: CA8581
Certified Pre-Owned: No
Listed since: 07-07-2025 - 12,563 miles
- No accidents, 1 owner, personal use only
- 6'10” bed, 6.6l, 8cyl
- Weirs GMC (18 mi away)
Close
Located in Arundel, ME / 18 miles away from South Portland, ME
ONE OWNER, Sierra 3500HD SLE, 4D Crew Cab, 6.6L V8, 6-Speed Automatic, 4WD, Cardinal Red, Black Cloth, 220 Amp Alternator, Hill Descent Control, Off-R...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
Listing Information:
VIN: 1GT49TE74NF338553
Stock: P25059
Certified Pre-Owned: Yes
Listed since: 06-18-2025
Showing 1 - 21 out of 370 listings
Consumer Reviews for the GMC Sierra 3500HD
Read recent reviews for the GMC Sierra 3500HD
WHAT A TRUCK
Bill S., 04/05/2020
2020 GMC Sierra 3500HD Denali 4dr Crew Cab 4WD SB (6.6L 8cyl 6A)
I purchased this Denali two weeks ago. I absolutely love this truck. The ride is so smooth and power band is incredible. What a huge difference between my 2008 GMC 2500HD Duramax, its like night and day... I love all the high tech features with the 2020's from the cameras to the front and rear LED lighting. Oh yea forgot about that first of its kind tailgate. Now that's a very … useful tailgate, I can see Ford, Dodge and Chevrolet using the same basic tailgate in the near future.
I really cant wait to haul my 5th wheel with this truck. Once I make that first trip I will update this review regarding the towing...
A big thank you for Thompsons GMC in Placerville, CA for such a great purchasing experience.
It’s been about a year since I purchased my GMC 3500 Denali and wanted to update my review.
I still love this truck so much. I’ve towed my 5th wheel RV approximately 8000K miles. This truck tows my 5th wheel like a dream. The cooling system is definitely a 100% improvement over my 2008 while towing in the warmer weather.
About the only thing I’d like to see is GM add more information to the heads up display (HUD) like your blind spot indicators.
I’m glad we bought when we did because I hear that dealers are having a tough time receiving new trucks.
Bottom line is this, I’d buy this truck all over again absolutely No Regrets!!!!
Used 2021 GMC Sierra 3500HD in South Portland, ME Values
Estimated values
2021 GMC Sierra 3500HD SLT 4dr Crew Cab 4WD SB (6.6L 8cyl 6A) with no options
| Condition | Trade-In | Private Party | Dealer Retail |
|---|---|---|---|
| Outstanding | $39,700 | $44,174 | $48,673 |
| Clean | $38,973 | $43,322 | $47,686 |
| Average | $37,762 | $41,901 | $46,042 |
| Rough | $36,187 | $40,055 | $43,903 |
The average list price of a used 2021 GMC Sierra 3500HD in South Portland, Maine is $52,314. The average mileage on a used GMC Sierra 3500HD 2021 for sale in South Portland, Maine is 67,045. Based on the average mileage of 67,045 for used 2021 GMC Sierra 3500HD for sale in South Portland, ME and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Sierra 3500HD 2021 in South Portland, Maine to be $37,762.
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** This image is a stock photo and may not reflect the model year or color of, and/or equipment offered on, the advertised vehicle.