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Used GMC Sierra 2500HD for Sale near Roxbury, CT

742 results
Roxbury, CT
2025 GMC Sierra 2500HD AT4 Crew Cab 4WD Blasius Mitsubishi

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

14,135 miles

$71,059

Great Deal
Brookfield, CT
8 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
14,135
Stock number:
Z4231
VIN:
1GT1UPEY9SF101621

Sponsored

2025 GMC Sierra 2500HD AT4 Crew Cab 4WD

2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

13,550 miles

$73,816

Fair Deal
Danbury, CT
12 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
13,550
Stock number:
A140375
VIN:
1GT4UPEYXSF140375

Sponsored

2020 GMC Sierra 2500HD Denali Crew Cab 4WD

2020 GMC Sierra 2500HD

Denali Crew Cab 4WD

98,699 miles

$46,994

Good Deal
Waterbury, CT
12 mi away
Year:
2020
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
98,699
Stock number:
U10015
VIN:
1GT49REY3LF132133

Sponsored

2015 GMC Sierra 2500HD Denali Crew Cab SB 4WD

2015 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

85,076 miles

$34,511

Fair Deal
Vernon Rockville, CT
45 mi away
Year:
2015
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
360 hp 6L V8 Flex Fuel Vehicle
Exterior color:
Onyx Black
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
85,076
VIN:
1GT120EG0FF658248

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2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

16,902 miles

$77,999

Good Deal
Lake Katrine, NY
45 mi away
Year:
2024
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Black
Fuel type:
Biodiesel
Transmission:
Automatic
Mileage:
16,902
Stock number:
26157SA
VIN:
1GT49XEY0RF405896

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2015 GMC Sierra 2500HD

Denali Crew Cab SB 4WD

92,927 miles

$30,990

Good Deal
Suffield, CT
45 mi away
Year:
2015
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
360 hp 6L V8 Flex Fuel Vehicle
Exterior color:
Gray
Fuel type:
Flex Fuel Vehicle
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
92,927
Stock number:
163591
VIN:
1GT120EG3FF163591

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2020 GMC Sierra 2500HD

Denali Crew Cab 4WD

50,374 miles

$47,985

Good Deal
Branford, CT
33 mi away
Year:
2020
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
White Frost Tricoat
Fuel type:
Gasoline
Interior color:
Gray (Dark Walnut/Dark Ash Grey)
Transmission:
6-Speed Automatic
Mileage:
50,374
Stock number:
326840SA
VIN:
1GT49RE78LF264263

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2024 GMC Sierra 2500HD

AT4 Crew Cab 4WD

46,702 miles

$65,994

Good Deal
Waterbury, CT
12 mi away
Year:
2024
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Thunderstorm Gray
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
46,702
Stock number:
U10056
VIN:
1GT19PEY9RF370035

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2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

6,083 miles

$68,961

Good Deal
Branford, CT
33 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Volcanic Red Tintcoat
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
6,083
Stock number:
326882A
VIN:
1GT4UPE77SF336796

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2019 GMC Sierra 2500HD

SLT Crew Cab 4WD

82,804 miles

$38,994

Great Deal
Waterbury, CT
12 mi away
Year:
2019
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Cocoa/Dune
Transmission:
6-Speed Automatic
Mileage:
82,804
Stock number:
U10074
VIN:
1GT12REY5KF240002

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2022 GMC Sierra 2500HD

SLE Crew Cab 4WD

29,293 miles

$45,995

Good Deal
Brookfield, CT
8 mi away
Year:
2022
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Onyx Black
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
6-Speed Automatic
Mileage:
29,293
Stock number:
Z4420
VIN:
1GT49ME75NF186241

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2024 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

39,928 miles

$70,999

Great Deal
Waterbury, CT
16 mi away
Year:
2024
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Onyx Black
Fuel type:
Biodiesel
Interior color:
Atmosphere/Brownstone
Transmission:
Automatic
Mileage:
39,928
Stock number:
52340AQ
VIN:
1GT49XEY0RF143202

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2025 GMC Sierra 2500HD

AT4 Crew Cab 4WD

12,173 miles

$74,995

Fair Deal
Brookfield, CT
8 mi away
Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
470 hp 6.6L V8 Biodiesel
Exterior color:
Summit White
Fuel type:
Biodiesel
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
12,173
Stock number:
Z4439
VIN:
1GT1UPEY3SF252986

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Sierra 2500HD
  4. / Connecticut
  5. / Roxbury
Overview
Reviews
FAQs

CarGurus recommends the 2025 GMC Sierra 2500HD

Picture of GMC Sierra 2500HD ## Summary - With 3,039 currently listed for sale and an **average price of $76,400.00**, 32.3% of 2025 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2025 GMC Sierra 2500HD 5 / 5 stars. - **95.1% of 2025 Sierra 2500HD models on CarGurus are accident free.** - The 2025 GMC Sierra 2500HD boasts a powerful engine lineup and an impressive range of luxury and tech features, including advanced safety technologies and connectivity options that enhance the driving experience. ## Why it stands out The 2025 GMC Sierra 2500HD stands out in the heavy-duty truck segment due to its combination of robust performance and upscale features. Known for its professional-grade construction, the Sierra offers a comfortable ride capable of handling various heavy-duty tasks like towing and hauling. The newer models come loaded with modern technology and amenities, such as advanced safety features, a user-friendly infotainment system, and premium interior finishes that cater to both work and leisure needs. Buyers appreciate these strengths, along with its reputation for reliability and power, making it a top choice among pickup enthusiasts. ## Other model years to consider - **[2020 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2020-GMC-Sierra-2500HD-c28993)** - Average price: $48,977.00 - Good/great deal percentage: 32.7% - User rating: 4.88 / 5 - Total listings: 1,332 - **[2023 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $56,745.00 - Good/great deal percentage: 31.5% - User rating: 4.33 / 5 - Total listings: 3,427 - **[2024 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-2500HD-c32774)** - Average price: $69,470.00 - Good/great deal percentage: 32.5% - User rating: 3.86 / 5 - Total listings: 3,562 These recommendations are based on CarGurus' proprietary market data from March 16, 2026, CarGurus experts' opinions, and generative AI.

4.5 Overall rating

(272 reviews)

Customers say

The GMC Sierra 2500HD is a favored choice among truck owners, known for its impressive power, towing capabilities, and comfortable ride. Drivers consistently appreciate its smooth handling and luxurious features that cater to both work and leisure needs. Owners often highlight its reliability and strong performance in challenging tasks like towing heavy loads. However, some owners do express concerns regarding fuel economy and pricing, noting that it can feel expensive compared to competitors, as well as mentioning quality issues in certain models. Overall, the Sierra 2500HD stands out for its performance and comfort, making it a solid option for those in need of a heavy-duty truck.

AI generated from the text of customer reviews.

What people say

comfort features performance power towing capacity
Jim W
4.0
Reviewed a 2024 GMC Sierra 2500HD on May 14, 2024

I’m not a fan of black. This truck had a black exterior and interior. It’s not for me. GM should offer more color choices.

Andrew H
5.0
Reviewed a 2016 GMC Sierra 2500HD on Jun 18, 2024

This truck is an SLT model, so its loaded with a lot of luxury features including power leather seats, premium sound (Bose), factory remote start, heated and cooled seats, heated steering wheel, etc.

Anonymous
3.0
Reviewed a 2024 GMC Sierra 2500HD on Jun 07, 2024

The direct injection system and potential carbon buildup on the 6.6 gas V8 engines concern me - especially for long term use. GMC needs to work on developing a more reliable HD gas engine for longevity.

Darrell K
5.0
Reviewed a 2015 GMC Sierra 2500HD on May 29, 2024

Good towing package/prep and good condition aesthetically. Little to no rust apparent.

ken b
4.0
Reviewed a 2022 GMC AT4 Crew Cab 4WD on Sep 26, 2024

Smooth powerful ride, decent fuel economy, expensive but it will be paying back over the years of long term ownership. Longevity is going to be evaluated over time.

GMC Sierra 2500HD FAQs

Is the GMC 2500 reliable?

Yes, the GMC Sierra 2500HD is known for its reliability, especially in certain model years. According to JD Power's rankings, the most reliable years for the Sierra 2500HD include 2020, 2018, 2016, 2014, 2012, 2011, and 2010. These models have earned high marks for their durability and dependability, making them solid choices if you're in the market for a heavy-duty pickup.

How many miles per gallon does a GMC 2500 diesel get?

The GMC Sierra 2500HD with the diesel engine delivers a fuel efficiency of around 17 mpg on the highway, based on tests of the Denali trim. While other diesel-powered competitors like the Silverado 2500 LTZ and Ram 2500 Tradesmen have achieved slightly better highway mileage at 19 mpg, the Sierra 2500HD still offers a respectable balance of power and fuel economy for a heavy-duty truck.

Is a GMC 2500 a good truck?

The 2024 GMC Sierra 2500 HD is indeed a good truck, known for its competence and power in the heavy-duty segment. It features a comfortable ride, a functional interior, and a potent turbocharged V8 engine. While it boasts a higher maximum tow rating than its predecessors, it still faces stiff competition from other brands. Nonetheless, it remains a solid choice for those needing a reliable and capable heavy-duty truck.

What is the MPG for a 2024 GMC Sierra 2500 HD diesel?

The 2024 GMC Sierra 2500 HD diesel has an average combined fuel economy of roughly 14 mpg, based on data from multiple vehicles, fuel-ups, and miles driven. This figure provides a realistic expectation of what owners can expect in terms of fuel efficiency, considering the truck's heavy-duty capabilities and performance demands.

How much does the GMC Sierra 2500HD cost in Roxbury, CT?

The average GMC Sierra 2500HD costs about $56,312.14. The average price has decreased by -1.6% since last year. The 743 for sale near Roxbury, CT on CarGurus, range from $8,888 to $122,477 in price.

Is the GMC Sierra 2500HD a good car?

CarGurus experts gave the 2024 GMC Sierra 2500HD an overall rating of 8/10 and GMC Sierra 2500HD owners have rated the vehicle a 4.4/5 stars on average. If a vehicle has both strong expert and owner reviews, you can feel confident in its quality. If either expert reviews, owner reviews, or both are spotty, you might want to do some research to figure out where the car falls short.

How many GMC Sierra 2500HD vehicles in Roxbury, CT have no reported accidents or damage?

628 out of 743 for sale near Roxbury, CT have no reported accidents or damage.

Is the GMC Sierra 2500HD safe?

CarGurus experts gave the 2024 GMC Sierra 2500HD a safety rating of 9/10.

What fuel types are available?

Diesel, Biodiesel, Flex Fuel Vehicle, Gasoline engines are available.

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