 
2025 GMC Sierra 2500 HD Truck Overview
The standard features of the GMC Sierra 2500HD Pro include 6.6L V-8 401hp engine, 10-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), Side seat mounted airbags, Curtain 1st row overhead airbag, Airbag occupancy sensor, Air conditioning, 17" steel wheels, Cruise control, ABS and driveline traction control, Electronic stability
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Inventory
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2025 GMC Sierra 2500 HD Truck AT4
- MSRP:$91,220
- Dealer Discount:$5,000
- Gillman Price:$86,220
- Offers:$1,000
- Final Price:$85,220
- Conditional Offers:$1,000
View Details- Engine:
- 6.6L Duramax Turbo-Diesel V8 engine,
- Transmission:
- Automatic,
- Stock #:
- 250428,
- Exterior Color:
- Sterling Metallic,
- Interior Color:
- Jet Black with Kalahari accents, Perforated Front,
- Model Code:
- TK20743
- VIN:
- 1GT4UPEY6SF318962
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2025 GMC Sierra 2500 HD Truck AT4
- MSRP:$88,360
- Dealer Discount:$5,000
- Gillman Price:$83,360
- Offers:$1,000
- Final Price:$82,360
- Conditional Offers:$1,000
View Details- Engine:
- 6.6L Duramax Turbo-Diesel V8 engine,
- Transmission:
- Automatic,
- Stock #:
- 250394,
- Exterior Color:
- Summit White,
- Interior Color:
- Jet Black with Kalahari accents, Perforated Front,
- Model Code:
- TK20743
- VIN:
- 1GT4UPEY0SF320075
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2025 GMC Sierra 2500 HD Truck Denali
- MSRP:$91,285
- Dealer Discount:$5,000
- Gillman Price:$86,285
- Offers:$2,000
- Final Price:$84,285
- Conditional Offers:$1,000
View Details- Engine:
- 6.6L Duramax Turbo-Diesel V8 engine,
- Transmission:
- Automatic,
- Stock #:
- 250403,
- Exterior Color:
- Downpour Metallic,
- Interior Color:
- Atmosphere/Brownstone, Forge Perforated Leather se,
- Model Code:
- TK20743
- VIN:
- 1GT4UREY9SF323715
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2025 GMC Sierra 2500 HD Truck Denali Ultimate
- MSRP:$98,100
- Dealer Discount:$5,000
- Gillman Price:$93,100
- Offers:$1,000
- Final Price:$92,100
- Conditional Offers:$1,000
View Details- Engine:
- 6.6L Duramax Turbo-Diesel V8 engine,
- Transmission:
- Automatic,
- Stock #:
- 250407,
- Exterior Color:
- Summit White,
- Interior Color:
- Alpine Umber, Full Grain Leather seat trim,
- Model Code:
- TK20743
- VIN:
- 1GT4UXEY7SF326746
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2025 GMC Sierra 2500 HD Truck SLE
- MSRP:$74,180
- Dealer Discount:$3,000
- Gillman Price:$71,180
- Offers:$1,000
- Final Price:$70,180
- Conditional Offers:$1,000
View Details- Engine:
- 6.6L Duramax Turbo-Diesel V8 engine,
- Transmission:
- Automatic,
- Stock #:
- 250488,
- Exterior Color:
- Summit White,
- Interior Color:
- Jet Black, Cloth seat trim,
- Model Code:
- TK20743
- VIN:
- 1GT4UMEY6SF355248
Specifications
- Rear cargo - tailgate
- Bumpers - chrome
- Rear step bumper
- Trailer hitch
- Trailer sway control
- Hitch Class - IV
- Engine liters - 6.6L
- Compressor - Not Available
- Cylinder configuration - V-8
- Horsepower - 401hp @ 5,200RPM
- Torque - 464 lb.-ft. @ 4,000RPM
- Number of valves - 16
- Variable valve control
- Engine location - front
- Recommended fuel - Regular Unleaded
- Transmission - 10 speed automatic
- Mode select transmission
- Manual-shift auto
- Drive type - rear-wheel
- Fuel tank capacity - 36.0gal.
- Rear locking differential
- Standard fuel economy fuel type - gasoline
- Hybrid traction battery type - none
- Basic warranty - 36 months/36,000miles
- Powertrain warranty - 60 months/60,000miles
- Corrosion perforation warranty - 72 months/100,000miles
- Roadside assistance coverage - 60 months/60,000miles
- Maintenance warranty - 12 months/ unlimited distance
- Front wheel independent suspension
- Front anti-roll bar
- Power steering
- Front tires - 245/75SR17.0E
- Rear tires - 245/75SR17.0E
- Single rear wheels
- Wheel size - 17"
- Engine displacement - 6.6 L
- Engine torque - 464 lb.-ft. @ 4,000RPM
- Engine bore x stroke - 103.3mm x 98.0mm (4.07" x 3.86")
- Compression ratio - 10.80 to 1
- Payload - 1,705kg (3,759lbs)
- Curb weight - 2,814kg (6,203lbs)
- GVWR - 4,536kg (10,000lbs)
- Towing capacity - 6,577kg (14,500lbs)
- Exterior length - 6,002mm (236.3")
- Exterior body width - 2,076mm (81.8")
- Exterior height - 2,030mm (79.9")
- Wheelbase - 3,607mm (142.0")
- Turning radius - 7.1m (23.5')
- Front legroom - 1,131mm (44.5")
- Front headroom - 1,095mm (43.1")
- Front hiproom - 1,547mm (60.9")
- Front shoulder room - 1,678mm (66.1")
- AM/FM radio
- Speakers - 2
- Turn-by-turn navigation directions - OnStar Turn-by-Turn Navigation
- Wireless phone connectivity - Bluetooth
- 1st row LCD monitors - 1
- Primary LCD size - 7.0"
- Smart device integration - Apple CarPlay/Android Auto
- Fully automatic headlights
- Delay-off headlights
- Auto high-beam headlights
- Variably intermittent wipers
- Front reading lights
- Appearance - analog
- Tachometer
- Voltmeter
- Oil pressure gauge
- Compass
- Outside temperature display
- Low tire pressure warning
- Trip computer
- Lane departure - Lane Departure Warning warning
- Exterior parking camera rear - HD Rear Vision Camera yes
- Forward collision - Forward Collision Alert with Automatic Braking mitigation
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Overhead airbag
- Occupant sensing airbag
- Panic alarm
- Perimeter/approach lights
- Tracker system - Stolen Vehicle Assistance
- Ignition disable
- Electronic stability
- Traction control
- Front pedestrian detection - prevention
- Max seating capacity - 3
- Front seats - bench
- Front center armrest - w/storage
- Seat Upholstery - vinyl
- Ground clearance (min) - 259mm (10.2")
- Air conditioning
- Speed control
- Power windows
- 1-touch down
- 1-touch up
- Remote keyless entry
- Proximity key - push button start only
- Illuminated entry
- Tilt steering wheel
- Passenger vanity mirror
- Emergency communication system - OnStar
- Front beverage holders
- Overhead console
- Driver door bin
- Passenger door bin
Trims
| MSRP | Engine | Transmission | City/Hwy mpg | |
|---|---|---|---|---|
Pro
Search New
|
$46,300 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$48,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$48,400 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$49,100 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$50,000 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$50,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$50,400 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$51,000 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$51,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$52,500 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$52,700 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$52,800 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Pro
Search New
|
$53,000 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$53,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$54,300 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$54,500 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$55,300 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
Search New |
$55,500 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
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$57,100 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLE
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$57,300 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLT
Search New |
$61,900 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLT
Search New |
$62,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLT
Search New |
$64,700 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
SLT
Search New |
$65,000 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
AT4
Search New |
$71,000 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
AT4
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$71,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Denali
Search New |
$73,900 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Denali
Search New |
$74,100 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
AT4X
Search New |
$83,200 | 401-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Denali Ultimate
Search New |
$93,300 | 470-hp 6.6L 8-cyl | 10-spd auto | No Data |
|
Denali Ultimate
Search New |
$93,600 | 470-hp 6.6L 8-cyl | 10-spd auto | No Data |
Serving the Houston, San Antonio, Harlingen and San Benito areas, Gillman Automotive Group is your premier retailer of new and used Subaru, Nissan, Jeep, Chrysler, Dodge, Ram, Mitsubishi, Honda, Chevrolet, Buick and GMC vehicles. Our dedicated sales staff and top-trained technicians are here to make your auto shopping experience fun, easy and financially advantageous. Please utilize our various online resources and allow our excellent network of people to put you in your ideal car, truck or SUV today!