Used 2025 GMC Sierra 1500 Denali Ultimate Crew Cab
4x4
Vehicle Summary
Mile
Miles
MPG FUEL ECONOMY
CITY
HWY
AVG
Horsepower
HP
Torque
Carfax®
Vehicle Description
Experience the pinnacle of capability and luxury with this 2025 GMC Sierra 1500 Denali Ultimate. This exceptional full-size pickup is engineered to conquer any task, whether you're hauling heavy loads, towing a trailer, or navigating off-road adventures. Beneath the bold, striking exterior lies a meticulously crafted interior that pampers you with the finest materials and advanced technologies.
- Carbon Fiber Composite Bed
- Hard Folding Truck Bed Cover by RealTruck Advantage (dealer-installed)
- Preferred Equipment Group 5SB
- Trailering Package
- Bose Premium Series with 12-Speaker System
- MultiPro Tailgate Audio System by Kicker
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls
- 3.23 Rear Axle Ratio
- Adaptive Suspension
- Auto-Locking Rear Differential
- Power Rake & Telescoping Steering Column
This Sierra Denali Ultimate is powered by a robust EcoTec3 6.2L V8 engine mated to a smooth-shifting 10-speed automatic transmission and a capable 4WD system. With 15 MPG in the city and 19 MPG on the highway, you'll enjoy impressive efficiency and performance, whether you're navigating the daily commute or tackling challenging terrain.
The exterior of this Denali Ultimate exudes confidence and sophistication, with a high-gloss black header and signature Denali grille leading the way. The 22-inch ultra-bright machined wheels and carbon fiber composite bed add a touch of premium style, while the spray-on bedliner and hard folding bed cover ensure your cargo is protected.
Step inside the cabin, and you'll be surrounded by the finest materials and cutting-edge technologies. The Bose premium audio system, 15-inch head-up display, and wireless charging pad are just a few of the features that elevate your driving experience. The heated and ventilated front seats, heated rear seats, and heated steering wheel provide unparalleled comfort, while the 16-way power-adjustable driver and passenger seats allow you to find your perfect driving position.
Safety is also a top priority, with advanced driver assistance features like Forward Collision Alert, Front Pedestrian Braking, and Rear Cross Traffic Braking keeping you and your loved ones protected. The HD Surround Vision and Trailer Camera Provisions make maneuvering and towing a breeze.
This 2025 GMC Sierra 1500 Denali Ultimate is a true masterpiece of engineering and design, offering uncompromising capability, unparalleled luxury, and cutting-edge technology. Experience the pinnacle of the full-size truck segment and schedule a test drive today. We're confident you'll be impressed by the exceptional quality and performance of this remarkable vehicle.
The Diehl Difference
WHY DIEHL, AND WHAT'S THE DIEHL DIFFERENCE?
For over 25 years Diehl Automotive, a proud family-owned business, has been dedicated to providing award-winning service, exceptional prices, and expert vehicle care. We don't just see you as customers-we welcome you as part of our family. Our commitment is to deliver the same loyalty, support, and value we’d extend to our own. New or used, when you shop with Diehl you’ll reap all the perks and rewards that come with The Diehl Difference.



Vehicle Features
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Interior
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Driver seat power reclining, lumbar support, seatback side bolster support, cushion tilt, articulating upper backrest, fore/aft control and height adjustable control
- Dual-zone front climate control
- Voice-activated climate control
- Massaging driver seat
- Massaging front passenger seat
- Leather rear seat upholstery
- Automatic climate control
- Leather steering wheel
- Power tilting steering wheel
- Power telescopic steering wheel
- Leather upholstered dashboard
- Rear console climate control ducts
- Bucket front seats
- Driver seat with 12-way directional controls
- Front seat center armrest
- Front passenger seat with 12-way directional controls
- Driver seat with 4-way power lumbar
- Front passenger seat with 4-way power lumbar
- Split-bench rear seat
- Fold-up rear seat cushion
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Exterior
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- Vehicle to trailer hitching assist
- GMC ProGrade Trailering System trailer tire pressure and temperature sensors
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Trailer brake controller
- Trailer sway control
- Vehicle and trailer reverse assist with visual graphic guidance only
- Trailer hitch light
- Power side steps
- Wheel security locks
- 22 x 9-inch front and rear machined w/painted accents aluminum wheels
- P275/50SR22 AS BSW front and rear tires
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- Pickup bed-rail protectors
- Full-size spare tire with steel wheel
- Crank-down spare tire
- 2 front tow hooks
- LED in-box lighting
- 4 doors
- Body-colored front bumper
- Body-colored rear bumper
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Mechanical
- AutoTrac part and full-time 4WD
- EcoTec3 6.2L V-8 gasoline direct injection, variable valve control, premium unleaded, engine with cylinder deactivation and 420HP
- EcoTec3 6.2L V-8
- Adaptive ride suspension
- Auto stop-start engine
- 10-speed automatic
- Selectable mode transmission
- Transmission electronic control
- Sequential shift with steering wheel controls
- Automatic
- Four-wheel drive
- Two-Speed Transfer Case
- Speed sensitive power steering
- Lock-up transmission
- Front mounted engine
- Spark ignition system
- Longitudinal mounted engine
- Aluminum engine block
- Aluminum cylinder head
- Overdrive transmission
- Transmission oil cooler
- EcoTec3 V8
- Powertrain type: ICE
- All-speed ABS and driveline traction control
- Electronic transfer case shift
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Safety
- Hands-off cruise control with lane change
- Hands-on cruise control with lane change
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Head-up display
- Enhanced Automatic Emergency Braking predictive brake assist system
- Teen Driver restricted driving mode/alerts
- Rear Pedestrian Alert rear pedestrian detection warning
- HD Surround Vision w/Hitch View aerial view camera
- Video-feed rearview mirror
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Gauge cluster display size: 12.30
- Front mounted camera with washer
- Right side camera
- Pickup box camera
- Left side camera
- Trailer Side Blind Zone Alert blind spot warning
- Following Distance Indicator
- IntelliBeam auto high-beam headlights
- Immobilizer
- Configurable instrumentation gauges
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
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Entertainment
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Bose speakers
- Premium GMC Infotainment System external memory control
- Internet radio capability
- 2 exterior speakers
- Premium GMC Infotainment System voice activated audio controls
- AM/FM/SiriusXM with 360Lsatellite
- 2 total number of 1st row displays
- 13.4 inch primary display
- Amplifier
- Bose Centerpoint Surround digital signal processor
- Bose AudioPilot speed sensitive volume
- 12 speakers
- Seek scan
- Radio data system (RDS)
- Fixed audio antenna
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Crash Safety Ratings
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OVERALL
5 STAR
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FRONT
4 STAR
SIDE
5 STAR
ROLLOVER
4 STAR
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Factory Warranty
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Basic warranty
36 month/36,000 miles
*Confirm any warranty information with dealer before purchase.Powertrain warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.Corrosion perforation warranty
72 month/100,000 miles
*Confirm any warranty information with dealer before purchase.Roadside warranty
60 month/100,000 miles (FLT)
*Confirm any warranty information with dealer before purchase.
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Disclaimers
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Diehl Automotive utilizes a system that generates market value pricing automatically for new and pre-owned vehicles and may cause errors, inaccuracies, or omissions. Some aftermarket additions or accessories may not be displayed properly. For accuracy, please contact the dealer for real-time, accurate pricing. A documentation fee of $398 applies and is not included in the pricing. Tax, title, and tags are also not included and must be paid by the purchaser. Some prices may include manufacturer-to-dealer offers that are not compatible with manufacturer special finance programs and/or lease offers. While great effort is made to ensure the accuracy of the information on this site, errors do occur, so please verify information with a customer service representative. This is easily done by calling us at (412) 240-4444 or by visiting us at the dealership.
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