2025 GMC Sierra 2500HD AT4
Duramax diesel Max Trailering pkg
$84,999
AT-4 PREMIUM PACKAGE
MAXC TRAILER TOW PACKAGE
FULL WARRANTY!
MAXC TRAILER TOW PACKAGE
FULL WARRANTY!
3,227 Miles
1GT4UPEY5SF242621
Stock #: 2025-191
| Drivetrain | 4WD |
| Interior | Jet Black w/Kalahari Accents |
| Exterior | Thunderstorm Gray |
| Transmission | Allison 10-Speed Shiftable Automatic |
| Engine | 8cyl - 6.6L |
| Fuel Type | Diesel |
Description
#DURAMAX Red's Auto And Truck is pleased to present this 1-owner 2025 GMC 250HD AT4 Duramax Diesel with just over 3,000 miles! This truck was purchased new by our stores owner and he used it 2 times to pull a car trailer. This is the best spec for a 2500HD and includes the max trailer towing package with 3500HD Frame, Leaf Springs, 12" Rear Axle, Shock Package and Gooseneck 5th wheel prep! SO you are basically getting a 3500 with a 2500 badge. Other options include the must have $5,035 AT4 Premium Plus Package which includes the Technology Package, rear camera mirror, power running boards, surround view cameras, LED roof markers, heated and ventilated front bucket seats, hearted rear seats and so much more! This package basically gets you a Denali with off-road goodies! Remember, we also never charge a dealer handling or doc fee, include a limited warranty on most vehicles, and offer great protection plans at an affordable price to help protect your purchase for years to come.
Please call Reds Auto and Truck at 303-726-5520. We are a proud member of CUDL and have access to many Credit unions at great rates. We are A+ Rated with the BBB, Winner of the 2019 & 2020 CIADA Quality Dealer Of The Year Award, have excellent online reviews, and have been in business since 1974 come see why. We offer clear low upfront prices and also have no dealer handling or documentation fees! Our vehicles undergo a multi-point inspection and reconditioning process and most vehicles come with a 3-month 3,000-mile limited warranty. You can always see more photos and other cars at www.redsautoandtruck.com or stop by 1451 Vista View Drive Longmont CO 80504.
Remember, we also never charge a dealer handling or doc fee, include a limited warranty on most vehicles, and offer great protection plans at an affordable price to help protect your purchase for years to come.
Optional Equipment
Engine
Exhaust Brake
High Idle Switch
MSRP: $200
170 Amp and 220 Amp Dual Alternators
MSRP: $380
Packages
Technology Package
MSRP: $1,340
Includes 15 in. diagonal head-up display and rear camera mirror.
AT4 Premium Plus Package
MSRP: $5,035
Includes power sunroof, 15 in. diagonal head-up display, rear camera mirror, universal home remote, rear sliding power window, and AT4 high clearance steps.
Drivetrain
3.42 Rear Axle Ratio
Roof and Glass
Power Sunroof
MSRP: $995
Exterior Features
Roof Marker Lamps
MSRP: $55
Includes smoked amber roof marker lamps.
Thunderstorm Gray Paint
MSRP: $495
Towing and Hauling
GVWR of 11750 lbs.
Max Trailering Package
MSRP: $1,540
Includes 12 in. rear axle, HD frame, HD leaf springs, HD shock package, hitch platform w/ tray to accept ball and drilled box holes with caps installed and box mounted 7-pin trailer harness.
Gooseneck / 5th Wheel Prep Package
MSRP: $545
Includes hitch platform w/ tray to accept ball and drilled box holes with caps installed and box mounted 7-pin trailer harness.
Equipment
Seats
Driver seat: heated, ventilated
Driver seat power adjustments: height, lumbar, reclining, 10
Front headrests: adjustable, 2
Front seat type: bucket
Passenger seat: heated, ventilated
Passenger seat power adjustments: height, lumbar, reclining, 10
Rear headrests: adjustable, 3
Rear seat: heated
Rear seat folding: folds up
Rear seat type: 60-40 split bench
Upholstery: leather-trimmed
Upholstery accents: perforated
Brakes
ABS: 4-wheel
Braking assist:
Electronic brakeforce distribution:
Electronic parking brake: auto off
Front brake diameter: 14.0
Front brake type: ventilated disc
Front brake width: 1.57
Power brakes:
Rear brake diameter: 14.2
Rear brake type: ventilated disc
Rear brake width: 1.34
Engine
Alternator: 170 amps
Auxiliary oil cooler:
Battery: heavy duty, maintenance-free
Battery rating: 720 CCA
Battery saver:
Lights
Daytime running lights: LED
Exterior entry lights: approach lamps, puddle lamps
Front fog lights: LED
Headlights: LED, auto delay off, auto high beam dimmer, auto on/off, wiper activated
Taillights: LED
Safety
Automatic emergency braking: front, front pedestrian
Blind spot safety: sensor/alert, trailer coverage
Camera system: cargo area, surround view, trailer rearview
Camera system washer: front
Check rear seat reminder:
Child safety door locks:
Child seat anchors: LATCH system
Cross traffic alert: rear
Lane deviation sensors:
Parking sensors: front, rear
Pre-collision warning system: audible warning, pedestrian detection, vibrating driver seat, visual warning
Programmable safety key:
Rearview monitor: in dash
Airbags
Airbag deactivation: occupant sensing passenger
Front airbags: dual
Side airbags: front
Side curtain airbags: front, rear
Mirrors
Side mirror adjustments: power, power folding, power telescoping, reverse gear tilt
Side mirrors: auto-dimming, heated, integrated turn signals
Towing mirrors:
Windows
Front wipers: rain sensing, variable intermittent
Power windows: safety reverse
Tinted glass:
Window defogger: rear
Security
Anti-theft system: alarm, vehicle immobilizer
Power door locks: anti-lockout, auto-locking
Seatbelts
Emergency locking retractors: front
Front seatbelts: 3-point
Rear seatbelts: 3-point
Seatbelt pretensioners: front
Seatbelt warning sensor: front
Drivetrain
4WD selector: electronic hi-lo
4WD type: part time w/ on demand setting
Axle ratio: 3.73
Locking differential: rear
Suspension
Front shock type: twin-tube gas
Front spring type: torsion bars
Front stabilizer bar: diameter 35 mm
Front suspension classification: independent
Front suspension type: upper and lower control arms
Rear shock type: twin-tube gas
Rear spring type: leaf
Rear suspension classification: solid live axle
Rear suspension type: multi-leaf
Tuned suspension: off-road
Telematics
Driver assistance app: roadside assistance
Electronic messaging assistance: voice operated, with read function
Hands-free phone call integration: voice operated
Navigation data: real time traffic
Navigation system: touch screen display, voice operated
Satellite communications: OnStar, voice guided directions
Smart device app compatibility: Amazon Alexa, myGMC with Connected Access
Smart device app function: engine start, horn/light operation, lock operation, maintenance status, vehicle location
Wi-Fi: hotspot
Wireless data link: Bluetooth
Audio System
Antenna type: diversity, mast
Auxiliary audio input: Bluetooth, USB, iPod/iPhone
Premium brand: Bose
Radio: AM/FM, touch screen display, voice operated
Radio data system:
Satellite radio: SiriusXM
Speed sensitive volume control:
Subwoofer: 1
Total speakers: 6
Tires and Rims
Spare tire mount location: underbody
Spare tire size: full-size
Spare wheel type: steel
Tire Pressure Monitoring System:
Tire type: all terrain
Wheels: painted aluminum alloy
Instrumentation
Clock:
Compass:
Customizable instrument cluster:
Digital odometer:
External temperature display:
Fuel economy display: MPG, range
Gauge: oil pressure, tachometer
Instrument cluster screen size: 12.3 in.
Multi-function display:
Powertrain hour meter:
Trip odometer:
Warnings and reminders: coolant temperature warning, lamp failure, low battery, low fuel level, low oil pressure, maintenance due
Air Conditioning
Air filtration:
Front air conditioning: automatic climate control
Front air conditioning zones: dual
Rear vents: second row
Comfort Features
Armrests: rear center with cupholders, rear folding
Center console trim: leather
Floor mat material: rubber/vinyl
Floor material: carpet
Floor mats: front, rear
Heated steering wheel:
Steering wheel trim: leatherette
Exterior Features
Bumper detail: rear step
Door handle color: body-color
Exhaust tip color: stainless steel
Fender lip moldings: black
Front bumper color: body-color
Grille color: black, black surround
Hood scoop:
Mirror color: black
Pickup bed light: LED
Pickup bed liner: spray-on
Rear bumper color: body-color
Skid plate(s): front, rear
Tailgate: lift assist, multi-function split-folding, power locking, power open, removable, step
Window trim: black
Towing and Hauling
Auxiliary transmission fluid cooler:
Pickup bed cargo management: tie-down anchors
Tow hooks: front
Tow/Haul mode:
Trailer brake controller:
Trailer hitch:
Trailer wiring: 4-pin, 7-pin
Convenience Features
Adaptive cruise control:
Adaptive stop and go cruise control: semi-automatic
Assist handle: front, rear
Capless fuel filler system:
Center console: front console with armrest and storage
Cupholders: front, rear
Easy entry: power driver seat
Memorized settings: 2 driver, driver seat, side mirrors
Multi-function remote: panic alarm, proximity entry system, vehicle and key memory
One-touch windows: 4
Overhead console: front
Power outlet(s): 115V cargo area, 115V front, 12V rear, USB front, USB rear, USB-C front, USB-C rear
Power steering: variable/speed-proportional
Power windows: lockout button
Push-button start:
Reading lights: front, rear
Rearview mirror: auto-dimming
Remote engine start:
Steering wheel: tilt and telescopic
Steering wheel mounted controls: audio, cruise control, multi-function, phone, voice control
Storage: door pockets, front seatback, under rear seats
Vanity mirrors: dual illuminating
Wireless charging station: front
In Car Entertainment
Connected in-car apps: Google Assistant, Google POIs, Google search, app marketplace integration
Infotainment: GMC Infotainment System, Google Built-In
Infotainment screen size: 13.4 in.
Smartphone integration: wireless Android Auto, wireless Apple CarPlay
Stability and Traction
Hill holder control:
Off-road driving assist: hill descent
Roll stability control:
Stability control:
Traction control:
Trailer stability control:
Disclaimer: Prices do not include government fees and taxes, any finance charges, any electronic filing charge and any emission testing charge. We update our website inventory frequently, but our inventory changes with recent sales. Mileage may change slightly due to test drives. We are not responsible for any errors or omissions on this page. Please feel free to call us before you visit.
