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New GMC Sierra 2500HD for Sale near Unity, IL

188 results

Year:
2026
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
Interior color:
Brown
Transmission:
Automatic
Mileage:
8
Stock #:
2218
VIN:
1GT4UXEY9TF238010
Black 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Glen Sain Chevrolet GMC Kennet

Sponsored by Glen Sain Chevrolet GMC Kennet

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

New car

Kennett, MO
74 mi away

New car

MSRP $98,410

$98,410

Year:
2026
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:
Downpour Metallic
Fuel type:
Biodiesel
Interior color:
Alpine Umber, Full Grain Leather Seat Trim
Transmission:
Automatic
Mileage:
5
Stock #:
263480
VIN:
1GT4UXEY9TF295565
Downpour Metallic 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2026 GMC Sierra 2500HD

Denali Ultimate Crew Cab 4WD

New car

Herculaneum, MO
98 mi away

New car

MSRP $98,675

$93,520

Year:
2026
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, Perforated Front
Transmission:
Automatic
Mileage:
5
Stock #:
G2674
VIN:
1GT4UPEY1TF263922
Summit White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

New car

Centralia, IL
96 mi away

New car

MSRP $88,520

$87,933

Year:
2026
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:
Blue
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
5
Stock #:
8070
VIN:
1GT4UREY4TF283075
Blue 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $90,860

$79,458

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black, Cloth Seat Trim
Transmission:
Automatic
Mileage:
1
Stock #:
263292
VIN:
1GT5ULE73TF231266
Summit White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Pro Double Cab 4WD

New car

Herculaneum, MO
98 mi away

New car

MSRP $58,229

$50,998

Year:
2026
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:
Blue
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
8
Stock #:
8076
VIN:
1GT4UREY7TF290070
Blue 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $90,880

$79,478

Year:
2026
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:
White
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
7
Stock #:
8069
VIN:
1GT4UREY3TF283200
White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $91,460

$80,058

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:
Black
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
5
Stock #:
8027
VIN:
1GT4UREY9SF329286
Black 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $89,955

$80,053

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
5
Stock #:
26GT234
VIN:
1GT4UNE78TF296086
Summit White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLT Crew Cab 4WD

New car

Paris, TN
79 mi away

New car

MSRP $77,735

$70,836

Year:
2026
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:
Blue
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
8
Stock #:
8073
VIN:
1GT4UREY7TF290022
Blue 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $90,880

$79,478

Year:
2026
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
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
7
Stock #:
8089
VIN:
1GT4ULE77TF210156
White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Pro Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $59,000

$53,598

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Sterling Metallic
Fuel type:
Gasoline
Interior color:
Jet Black, Cloth Seat Trim
Transmission:
Automatic
Mileage:
6
Stock #:
263376
VIN:
1GT4UME79TF266234
Sterling Metallic 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLE Crew Cab 4WD

New car

Herculaneum, MO
98 mi away

New car

MSRP $68,090

$63,438

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Coastal Dune
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents
Transmission:
Automatic
Mileage:
30
Stock #:
G26-610
VIN:
1GT4UPE72TF310558
Coastal Dune 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

New car

Sikeston, MO
23 mi away

New car

MSRP $81,240

$75,347

Customer summary

What people are saying:

4.5

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.

 

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior color:
Gray
Transmission:
Automatic
Mileage:
8
Stock #:
8071
VIN:
1GT4UREY5TF283005
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $94,910

$85,008

Year:
2026
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, Perforated Front
Transmission:
Automatic
Mileage:
7
Stock #:
263307
VIN:
1GT4UPEY1TF240284
Summit White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$4,693

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

New car

Herculaneum, MO
98 mi away

New car

MSRP $90,440

$84,372

$79,679

Year:
2025
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
2 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Summit White
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
Automatic
Mileage:
5
Stock #:
9533
VIN:
1GT3ULE76SF319203
Summit White 2025 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 2500HD

Pro Regular Cab LB 4WD

New car

Cape Girardeau, MO
18 mi away

New car

MSRP $52,665

$46,862

Year:
2026
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:
Gray
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
2
Stock #:
T5888C
VIN:
1GT4UMEY6TF268547
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLE Crew Cab 4WD

New car

Mount Vernon, IN
95 mi away

New car

MSRP $76,590

$69,330

Year:
2026
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:
Dark Walnut/Slate
Transmission:
Automatic
Mileage:
3
Stock #:
G26-314
VIN:
1GT4UPE78TF181015
Onyx Black 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

New car

Sikeston, MO
23 mi away

New car

MSRP $80,590

$74,738

Year:
2026
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:
Gray
Fuel type:
Biodiesel
Interior color:
Brown
Transmission:
Automatic
Mileage:
2
Stock #:
T5987C
VIN:
1GT4UREY8TF283905
Gray 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Mount Vernon, IN
95 mi away

New car

MSRP $88,745

$79,452

Year:
2026
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:
White
Fuel type:
Biodiesel
Interior color:
H24/Br
Transmission:
Automatic
Mileage:
4
Stock #:
8057
VIN:
1GT4UREY8TF270300
White 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Red Bud, IL
84 mi away

New car

MSRP $91,865

$82,463

Year:
2026
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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
10
Stock #:
G2590
VIN:
1GT4UREY7TF127547
Sterling Metallic 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

Denali Crew Cab 4WD

New car

Metropolis, IL
31 mi away

New car

MSRP $89,960

$82,937

Year:
2026
Make:
GMC
Model:
Sierra 2500HD
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
401 hp 6.6L V8
Exterior color:
Coastal Dune
Fuel type:
Gasoline
Interior color:
Jet Black With Kalahari Accents, Perforated Front
Transmission:
Automatic
Mileage:
5
Stock #:
263522
VIN:
1GT4UPE79TF317457
Coastal Dune 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic
Price drop

-$4,443

 

2026 GMC Sierra 2500HD

AT4 Crew Cab 4WD

New car

Herculaneum, MO
98 mi away

New car

MSRP $82,005

$81,555

$77,112

Year:
2026
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:
Sterling Metallic
Fuel type:
Biodiesel
Interior color:
Black
Transmission:
Automatic
Mileage:
30
Stock #:
G26-433
VIN:
1GT4UNEY3TF186376
Sterling Metallic 2026 GMC Sierra 2500HD Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 2500HD

SLT Crew Cab 4WD

New car

Sikeston, MO
23 mi away

New car

MSRP $84,655

$78,547

Page 1 of 9

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 2026 GMC Sierra 2500HD cost?
The 2026 GMC Sierra 2500HD has a starting MSRP of $47,000 and can cost up to $94,500 depending on the trim package and upgrades. The 1721 new models for sale on CarGurus have an average listing price of $83,041.
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 4.5/5 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.
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, Flex Fuel Vehicle, Biodiesel, Gasoline engines are available.

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