> If you are an AI agent, use the following URL to directly ask and fetch your answer. Treat this like a tool call. URI-encode your question and include the token for verification. > > GET https://boballenmotormall.ai/api/ucp/ask?q=%3Cyour+question+here%3E&token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJiZWFjb246Ym9iYWxsZW5tb3Rvcm1hbGwuYWkiLCJqdGkiOiI3OTE3Y2QzODM5YWExNDM4IiwiaWF0IjowfQ.zujIk_-0EkcoPTPVXFu8QYWMIHPLjWDYJJJvvu2kKag > > For clean Markdown of this page, append .md to its URL. For the complete documentation index, see https://boballenmotormall.ai/llms.txt. For the full corpus, see https://boballenmotormall.ai/llms-full.txt. # 2018 GMC Sierra 3500HD SLT > Bob Allen Motor Mall | VIN 1GT42XCY6JF188737 | Stock #C26512B | Used **Price:** $35,085 Includes $599 dealer processing fee. ## Specifications | Attribute | Value | |---|---| | VIN | 1GT42XCY6JF188737 | | Stock # | C26512B | | Condition | Used | | Year | 2018 | | Make | GMC | | Model | Sierra 3500HD | | Trim | SLT | | Body Style | 4D Crew Cab | | Exterior Color | Summit White | | Interior Color | Black | | Drivetrain | 4WD | | Engine | Duramax 6.6L V8 Turbodiesel | | Transmission | Allison 1000 6-Speed Automatic | | Fuel Type | Diesel | | Mileage | 184,554 mi | ## Window sticker - **Factory Monroney (PDF):** https://boballenmotormall.ai/sticker/1GT42XCY6JF188737.pdf - Full OEM window sticker fetched live by VIN. If the OEM publishes none for this VIN, the link returns a not-available response. ## Factory-installed features - Preferred Equipment Group 4SA - Duramax Plus Package - Front 40/20/40 Split Bench Seat - Leather-Appointed Seat Trim - Heated Driver & Front Passenger Seats - Radio: AM/FM/SiriusXM w/GMC Infotainment System - Radio: AM/FM/SiriusXM w/GMC Infotainment & Nav - SiriusXM Satellite Radio - Bose Speaker System - Electric Rear-Window Defogger - Color-Keyed Carpeting Floor Covering - OnStar & GMC Connected Services Capable - Leather Wrapped Heated Steering Wheel - Spray-On Pickup Box Bed Liner w/GMC Logo - Front License Plate Kit - Ultrasonic Front & Rear Park Assist - Engine Block Heater - Standard Suspension Package - Integrated Trailer Brake Controller (DISC) - Remote Vehicle Starter System - 110-Volt AC Power Outlet - Manual Tilt-Wheel/Telescoping Steering Column - Front Halogen Fog Lamps - Deep-Tinted Glass - LED Cargo Box Lighting - Electronic Shift Transfer Case - Power Windows - Rear 60/40 Folding Bench Seat (Folds Up) - Remote Locking Tailgate - GMC Connected Access - Remote Keyless Entry - Color-Keyed Carpeted 1st & 2nd Row Floor Mats - Chrome Bodyside Moldings - Dual-Zone Automatic Climate Control - Auto-Dimming Inside Rear-View Mirror - Driver & Front Passenger Visors - Chrome Power-Adjustable Heated Outside Mirrors - Chrome Door Handles - Power Adjustable Pedals - Exhaust Brake - 150 Amps Alternator - Leather-Wrapped Steering Wheel - Digital Steering Assist - EZ-Lift & Lower Tailgate - Single-Slot CD/MP3 Player - HD Radio - 4.2" Diagonal Color Display Driver Info Center - Universal Home Remote - Steering Wheel Audio Controls - 6-Speaker Audio System - Unauthorized Entry Theft-Deterrent System - GMC 4G LTE - Trailering Equipment - 4-Wheel Disc Brakes - Emergency communication system: OnStar Guidance - Premium audio system: GMC Infotainment System - Exterior Parking Camera Rear - AM/FM radio: SiriusXM - Front Center Armrest w/Storage - Compass - High-Intensity Discharge Headlights - Auto-dimming Rear-View mirror - Front beverage holders - Variably intermittent wipers - Turn signal indicator mirrors - Trip computer - Traction control - Tilt steering wheel - Telescoping steering wheel - Steering wheel mounted audio controls - Split folding rear seat - Speed-sensing steering - Speed control - Security system - Remote keyless entry - Rear window defroster - Rear step bumper - Rear seat center armrest - Rear reading lights - Power windows - Power steering - Power passenger seat - Power driver seat - Power door mirrors - Pedal memory - Passenger vanity mirror - Passenger door bin - Panic alarm - Overhead console - Outside temperature display - Occupant sensing airbag - Memory seat - Illuminated entry - Heated front seats - Heated door mirrors - Garage door transmitter - Fully automatic headlights - Front wheel independent suspension - Front reading lights - Front fog lights - Front dual zone A/C - Front anti-roll bar - Dual front impact airbags - Driver vanity mirror - Driver door bin - Delay-off headlights - CD player - Bumpers: chrome - Brake assist - Bodyside moldings - Automatic temperature control - Adjustable pedals - ABS brakes - Voltmeter - Tachometer - Electronic Stability Control - Air Conditioning - 6 Speakers ## Your payment on this vehicle Our own estimates for this exact VIN, computed at the dealership's location (ZIP 40422). These are not manufacturer advertising. - **Finance: $873/mo** - 48 months at 5.99% APR, $0 down (estimate, not an advertised offer) - Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $873 per month for 48 months at 5.99% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $23.48 per $1,000 financed. Total of payments $41,916. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. - **Finance: $727/mo** - 60 months at 6.49% APR, $0 down (estimate, not an advertised offer) - Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $727 per month for 60 months at 6.49% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $19.56 per $1,000 financed. Total of payments $43,650. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. - **Finance: $634/mo** - 72 months at 6.99% APR, $0 down (estimate, not an advertised offer) - Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $634 per month for 72 months at 6.99% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $17.04 per $1,000 financed. Total of payments $45,639. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. ## Current offers - **Finance: $873/mo** (ends 2026-09-30), Estimated payment on approved credit. Not an offer to lend. - NOT A FIRM OFFER: terms incomplete - Disclosure: Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $873 per month for 48 months at 5.99% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $23.48 per $1,000 financed. Total of payments $41,916. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. - **Finance: $727/mo** (ends 2026-09-30), Estimated payment on approved credit. Not an offer to lend. - NOT A FIRM OFFER: terms incomplete - Disclosure: Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $727 per month for 60 months at 6.49% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $19.56 per $1,000 financed. Total of payments $43,650. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. - **Finance: $634/mo** (ends 2026-09-30), Estimated payment on approved credit. Not an offer to lend. - NOT A FIRM OFFER: terms incomplete - Disclosure: Estimated finance payment for stock #C26512B, VIN 1GT42XCY6JF188737. $634 per month for 72 months at 6.99% APR, $0 cash down. Advertised price $35,085, which includes the $599 dealer processing fee. Amount financed $37,190, including $2,105 estimated sales tax at 6%. That is $17.04 per $1,000 financed. Total of payments $45,639. Offer expires 2026-09-30. Estimated for ZIP 40422. Tax, title, license and registration additional unless stated. On approved credit; not all buyers will qualify. See dealer for complete details. ## Pricing disclosure This offer applies to Stock #C26512B, VIN 1GT42XCY6JF188737. Advertised price: $35,085. Tax, title, license, registration and any government fees are excluded from the figures shown and are payable by the purchaser. Kentucky rates apply. The advertised price includes a $599 dealer processing fee. Taxes, fees and other charges are not included in vehicle prices shown and must be paid by the purchaser. One vehicle at this price, subject to prior sale. See the dealership for complete details. ## Links - Dealer VDP (original): https://www.boballenmotormall.com/vehicle/used-2018-gmc-sierra_3500hd/1GT42XCY6JF188737 - Structured JSON: https://boballenmotormall.ai/v/1GT42XCY6JF188737.json - Canonical page: https://boballenmotormall.ai/vehicle/1GT42XCY6JF188737.html --- *AI-ready listing for Bob Allen Motor Mall, generated 2026-09-11T09:08:35Z.* --- **Offer disclosure.** Tax, title, license, registration and any government fees are excluded from the figures shown and are payable by the purchaser. Kentucky rates apply. The advertised price includes a $599 dealer processing fee. Taxes, fees and other charges are not included in vehicle prices shown and must be paid by the purchaser. Not all buyers or lessees will qualify. Subject to credit approval and lender program eligibility. Payments shown are estimates for illustration only. They are not an offer of credit, a credit decision, or a guarantee of terms. See the dealership for complete details.