GMC Sierra 2500 Trucks for Sale near Castle Rock, Colorado
Sort
Filters
4,345 results
Location
Body Type
Popular Body Types
Other Body Types
Price
Mileage
Make, Model, and Trim
Make
Popular Makes
Model
Trim
Year
Chassis Options
Cab Style
Chassis Type
Drivetrain
Rear Wheels
Engine Manufacturer
Engine Cylinders
Transmission
GVWR
Cab to Axle
Body Options
Add-Ons
State
New 2026 GMC Sierra 2500 Denali Crew Cab
$91,050 MSRP
$85,774
sell
Key features
- Diesel
- 6.6L 8 Cylinder Engine
- 4WD
location_on
Barlow Buick-GMC
Manahawkin, NJ (1,622.2 mi)
New 2026 GMC Sierra 2500 Pro Regular Cab
$55,435 MSRP
$52,659
sell
Key features
- Gasoline
- 6.6L 8 Cylinder Engine
- 4WD
location_on
Barlow Buick-GMC
Manahawkin, NJ (1,622.2 mi)
New 2026 GMC Sierra 2500 Pro Double Cab
$56,570 MSRP
$53,794
sell
Key features
- Gasoline
- 6.6L 8 Cylinder Engine
- 4WD
location_on
Barlow Buick-GMC
Manahawkin, NJ (1,622.2 mi)
Used 2024 GMC Sierra 2500 AT4X Crew Cab
$78,995
speed 33,493 mi
sell
Key features
- Diesel
- 6.6L 8 Cylinder Engine
- 4WD
location_on
Barlow Buick-GMC
Manahawkin, NJ (1,622.2 mi)
Used 2024 GMC Sierra 2500 Denali Ultimate Crew Cab
$75,995
speed 32,873 mi
sell
Key features
- Diesel
- 6.6L 8 Cylinder Engine
- 4WD
location_on
Barlow Buick-GMC
Manahawkin, NJ (1,622.2 mi)
Used 2022 GMC Sierra 2500 SLE Crew Cab
contact for price
speed 98,818 mi
sell
Key features
- Gasoline
- 4WD
- SLE
location_on
Mohawk Chevrolet
Malta, NY (1,625 mi)
Used 2021 GMC Sierra 2500 Denali Crew Cab
$57,346
speed 43,397 mi
sell
Key features
- Diesel
- Duramax 6.6L V8 Turbodiesel
- 4WD
location_on
City World Ford
Bronx, NY (1,632.7 mi)
Used 2025 GMC Sierra 2500 SLT Crew Cab
$64,892
speed 21,890 mi
sell
Key features
- Diesel
- 4WD
- SLT
location_on
Arrigo Dodge Chrysler Jeep Ram - Fort Pierce
Fort Pierce, FL (1,633.3 mi)
Used 2024 GMC Sierra 2500 Denali Ultimate Crew Cab
$69,245 List Price
$62,497
speed 79,576 mi
sell
Key features
- Diesel
- 4WD
- Denali Ultimate
location_on
Sunrise Ford
Fort Pierce, FL (1,633.3 mi)
New 2025 GMC Sierra 2500 Regular Cab Cab Chassis
$50,918
sell
Key features
- Gasoline
- 4WD
- 6.6L V8 Gas engine
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$91,150
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 AT4 Crew Cab
$90,625
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$92,050
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 AT4 Crew Cab
$90,035
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Ultimate Crew Cab
$99,060
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$93,725
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Pro Double Cab
$57,905
sell
Key features
- Gasoline
- 6.6L V8 Gas engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 AT4 Crew Cab
$89,400
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Pro Regular Cab
$55,315
sell
Key features
- Gasoline
- 6.6L V8 Gas engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$90,740
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 AT4 Crew Cab
$90,540
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$90,740
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$92,890
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
New 2026 GMC Sierra 2500 Denali Crew Cab
$92,050
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2025 GMC Sierra 2500 Denali Ultimate Crew Cab
$76,003
speed 29,217 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2020 GMC Sierra 2500 Denali Crew Cab
$49,003
speed 75,718 mi
sell
Key features
- Diesel
- Engine: 6.6L V8 DuraMax Diesel, Turbo
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2026 GMC Sierra 2500 Denali Crew Cab
$74,003
speed 14,063 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2026 GMC Sierra 2500 Denali Crew Cab
$73,003
speed 13,875 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2026 GMC Sierra 2500 AT4 Crew Cab
$73,003
speed 19 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
Used 2026 GMC Sierra 2500 AT4 Crew Cab
$70,003
speed 16,716 mi
sell
Key features
- Diesel
- 6.6L Duramax Turbo-Diesel V8 engine
- 4WD
location_on
Ingersoll Auto of Danbury - GMC
Danbury, CT (1,648.3 mi)
