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2018 GMC Sierra 3500 HD
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2018 GMC Sierra 3500 HD Denali
Visit our Store
- SouthWest Mazda
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5221 Northwest Cache Road
Lawton, OK 73505
- Sales: 580-360-6557
- Service: 580-360-6560
- Parts: 580-360-6564
Vehicle Information
VIN:
1GT42YEY8JF285201
Stock #:
CTP328
Model Code:
TK35943
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Body Style Crew Cab -
Exterior Color Onyx Black
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Interior Color Jet Black, Perforated Leather-Appointed Front Seat Trim
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Mileage 65,530
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Engine Engine: 6.6L V8 DuraMax Diesel, Turbo -
Transmission Automatic / 4WD -
Fuel Type Diesel Fuel
Highlighted Features
Feature availability subject to final vehicle configuration. Please reference window sticker for more info.
- Bluetooth®
- 4WD/AWD
- Leather Seats
- Wireless Phone Charging
- Turbo Charged Engine
Dealer Comments
2018 GMC Sierra 3500HD Denali Crew Cab 4WD
Duramax Turbo-Diesel | Onyx Black | Jet Black Leather | Texas-Owned
If you’re looking for a heavy-duty diesel truck with proven capability and a documented ownership history, this 2018 GMC Sierra 3500HD Denali delivers exactly what HD buyers prioritize: Duramax power, Denali-level comfort, and a well-maintained, personal-use background.
Finished in Onyx Black with a Jet Black leather interior, this Denali presents cleanly and confidently. Custom wheels and aggressive all-terrain tires give it a strong, purposeful stance while maintaining the ride quality and road manners expected from a premium HD truck.
Duramax Power & Allison Reliability
At the heart of this Sierra is GMC’s proven 6.6L Duramax Turbo-Diesel V8, paired with the Allison 1000 6-speed automatic transmission—a combination trusted by owners who tow, haul, and rack up miles.
This setup delivers:
Strong low-end torque for heavy towing
Confident passing power on the highway
Smooth, predictable power delivery
Long-term durability under load
Four-wheel drive adds traction and control for job sites, wet conditions, and uneven terrain.
Denali Interior — Built for Long Days
The Denali trim transforms hard work into a comfortable experience:
Heated and ventilated front leather seats
Heated steering wheel
Dual-zone automatic climate control
Premium Denali materials and trim
Quiet, well-insulated cabin
It’s a truck designed to handle long drives and full workdays without feeling like a stripped-down work rig.
Technology & Driver Assistance
Features that support daily driving and trailering duties include:
Touchscreen infotainment system
Navigation capability
Apple CarPlay® & Android Auto™
Bose® premium audio system
Remote start
Front & Rear Park Assist
Rear Vision Camera
Blind Zone Alert & Rear Cross Traffic Alert
Everything is intuitive and designed to reduce fatigue behind the wheel.
Exterior & Utility Highlights
Crew Cab configuration
Custom wheels with all-terrain tires
Heavy-duty bed and chassis components
Integrated trailering hardware
Signature Denali grille and exterior trim
The truck reflects careful ownership and presents as a well-kept HD diesel.
Transparent Ownership History
CARFAX highlights include:
No accidents reported
Personal-use vehicle
25 documented service history records
Texas ownership
63,213 miles
The vehicle has been professionally inspected and drives exactly as expected for a properly maintained Duramax HD.
A Straightforward Experience
At Platinum Chevrolet Cadillac:
No hidden fees
No forced add-ons
No surprises
Your truck. Your decision.
If you’re searching for a Duramax-powered Denali HD with real service history, strong presentation, and the capability to handle serious work or towing, this 2018 GMC Sierra 3500HD Denali is well worth a closer look. Let us know when you’d like to see it—we’ll keep the process clear and straightforward.
Duramax Turbo-Diesel | Onyx Black | Jet Black Leather | Texas-Owned
If you’re looking for a heavy-duty diesel truck with proven capability and a documented ownership history, this 2018 GMC Sierra 3500HD Denali delivers exactly what HD buyers prioritize: Duramax power, Denali-level comfort, and a well-maintained, personal-use background.
Finished in Onyx Black with a Jet Black leather interior, this Denali presents cleanly and confidently. Custom wheels and aggressive all-terrain tires give it a strong, purposeful stance while maintaining the ride quality and road manners expected from a premium HD truck.
Duramax Power & Allison Reliability
At the heart of this Sierra is GMC’s proven 6.6L Duramax Turbo-Diesel V8, paired with the Allison 1000 6-speed automatic transmission—a combination trusted by owners who tow, haul, and rack up miles.
This setup delivers:
Strong low-end torque for heavy towing
Confident passing power on the highway
Smooth, predictable power delivery
Long-term durability under load
Four-wheel drive adds traction and control for job sites, wet conditions, and uneven terrain.
Denali Interior — Built for Long Days
The Denali trim transforms hard work into a comfortable experience:
Heated and ventilated front leather seats
Heated steering wheel
Dual-zone automatic climate control
Premium Denali materials and trim
Quiet, well-insulated cabin
It’s a truck designed to handle long drives and full workdays without feeling like a stripped-down work rig.
Technology & Driver Assistance
Features that support daily driving and trailering duties include:
Touchscreen infotainment system
Navigation capability
Apple CarPlay® & Android Auto™
Bose® premium audio system
Remote start
Front & Rear Park Assist
Rear Vision Camera
Blind Zone Alert & Rear Cross Traffic Alert
Everything is intuitive and designed to reduce fatigue behind the wheel.
Exterior & Utility Highlights
Crew Cab configuration
Custom wheels with all-terrain tires
Heavy-duty bed and chassis components
Integrated trailering hardware
Signature Denali grille and exterior trim
The truck reflects careful ownership and presents as a well-kept HD diesel.
Transparent Ownership History
CARFAX highlights include:
No accidents reported
Personal-use vehicle
25 documented service history records
Texas ownership
63,213 miles
The vehicle has been professionally inspected and drives exactly as expected for a properly maintained Duramax HD.
A Straightforward Experience
At Platinum Chevrolet Cadillac:
No hidden fees
No forced add-ons
No surprises
Your truck. Your decision.
If you’re searching for a Duramax-powered Denali HD with real service history, strong presentation, and the capability to handle serious work or towing, this 2018 GMC Sierra 3500HD Denali is well worth a closer look. Let us know when you’d like to see it—we’ll keep the process clear and straightforward.
Eligible Benefits
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* Accessories and color may vary. Quoted price subject to change without notice to correct errors or omissions. New vehicle pricing may already include applicable manufacturer incentives which may expire at any time. College grad and military rebates are not included. Manufacturer incentive data and vehicle features in provided by third parties and believed to be accurate as of the time of publication. Please contact the store by email or phone for details and availability of incentives. Sales tax or other taxes, tag, license, title, registration fees, government fees, and $499 dealer documentary fee are not included in quoted price.
* Accessories and color may vary. Quoted price subject to change without notice to correct errors or omissions. New vehicle pricing may already include applicable manufacturer incentives which may expire at any time. College grad and military rebates are not included. Manufacturer incentive data and vehicle features in provided by third parties and believed to be accurate as of the time of publication. Please contact the store by email or phone for details and availability of incentives. Sales tax or other taxes, tag, license, title, registration fees, government fees, and $499 dealer documentary fee are not included in quoted price.