2026 GMC Sierra 1500 SLT
$17,500 more than this car
- 18,566 mi
- 4WD
- Automatic
- Diesel
- Truck
White's Frontier Motors · Gillette, WY · 0 mi away
56,219 miles · truck

Equipment The 2025 GMC Sierra 1500 SLT brings together premium comfort, bold styling, and everyday truck capability. With its distinctive design and well-appointed interior, this Sierra is built for drivers who want a pickup that works hard while delivering a refined driving experience. Inside, the SLT trim offers a welcoming cabin with the technology and convenience features that make every trip more enjoyable. Whether you're heading to work, running errands around town, or loading up for a weekend getaway, the Sierra provides the versatility and comfort to handle it all. From its commanding appearance to its practical functionality, the 2025 GMC Sierra 1500 SLT is a full-size truck that's ready for whatever your day has in store. Packages Preferred Equipment Group 4SA: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; Electric Rear-Window Defogger; 5.3L EcoTec3 V8 Engine; Theft Deterrent System (unauthorized Entry); Chrome Header and Chrome Grille Insert Bars; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Front Rain-Sensing Wipers; GMC Pro Safety; Trailering Package; 120-Volt Interior Power Outlet; 10-Speed Automatic Transmission; Front 40/20/40 Split-Bench Seat; 18" X 8.5" 6-Spoke Machined Aluminum Wheels; 2 Charge/data USB Ports; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Power Front Passenger Windows with Express Up/down; Deep-Tinted Glass; 6-Speaker Audio System Feature; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; SiriusXM with 360L Trial Subscription; Single Speed Transfer Case; Power Front Windows with Driver Express Up/down; Manual Tilt-Wheel and Telescoping Steering Column; Front Frame-Mounted Black Recovery Hooks; Keyless Open and Start; Wi-Fi Hotspot Capable; Perimeter Lighting; Push Button Start; Rear Wheelhouse Liners; Auto-Locking Rear Differential; Power Door Locks. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 50% of 6 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 14, 2026. No price change at this dealership since Nov 14 ($39,794).
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2024–2026 Sierra 1500 SLT · used · any miles · within 100 miles of Gillette, Wyoming. All 6 comparable cars for sale, nearest first.
$17,500 more than this car
White's Frontier Motors · Gillette, WY · 0 mi away
$2,645 less than this car
Greiner Ford of Casper · Casper, WY · 89 mi away
$2,566 less than this car
Greiner Ford of Casper · Casper, WY · 89 mi away
$4,730 more than this car
Sheridan Motors GMC · Sheridan, WY · 89 mi away
$1,014 less than this car
Greiner Ford of Casper · Casper, WY · 89 mi away
$11,196 more than this car
Goodrich Motors · Spearfish, SD · 91 mi away
2026 GMC Sierra 1500 SLT18,566 miles · White's Frontier Motors · Gillette, WY · 0 mi away$57,294$17,500 more than this car
2025 GMC Sierra 1500 SLT51,195 miles · Greiner Ford of Casper · Casper, WY · 89 mi away$37,149$2,645 less than this car
2025 GMC Sierra 1500 SLT55,303 miles · Greiner Ford of Casper · Casper, WY · 89 mi away$37,228$2,566 less than this car
2025 GMC Sierra 1500 SLT66,093 miles · Sheridan Motors GMC · Sheridan, WY · 89 mi away$44,524$4,730 more than this car
2024 GMC Sierra 1500 SLT54,738 miles · Greiner Ford of Casper · Casper, WY · 89 mi away$38,780$1,014 less than this car
2025 GMC Sierra 1500 SLT23,577 miles · Goodrich Motors · Spearfish, SD · 91 mi away$50,990$11,196 more than this carAll years and trims. Nearest first.
White's Energy Motors · Gillette, WY · 0 mi away
White's Energy Motors · Gillette, WY · 0 mi away
White's Frontier Motors · Gillette, WY · 0 mi away
White's Frontier Motors · Gillette, WY · 0 mi away
Platinum Auto · Gillette, WY · 0 mi away
White's Frontier Motors · Gillette, WY · 0 mi away
White's Frontier Motors · Gillette, WY · 0 mi away
White's Frontier Motors · Gillette, WY · 0 mi away
2025 GMC Sierra SLT61,476 miles · White's Energy Motors · Gillette, WY · 0 mi away$39,999
2025 GMC Sierra AT448,501 miles · White's Energy Motors · Gillette, WY · 0 mi away$71,098
2025 GMC Sierra 1500 Denali24,503 miles · White's Frontier Motors · Gillette, WY · 0 mi away$61,576
2025 GMC Sierra 2500 HD SLE8,918 miles · White's Frontier Motors · Gillette, WY · 0 mi away$65,794
2026 GMC Sierra 2500HD AT4X13,906 miles · Platinum Auto · Gillette, WY · 0 mi away$79,999
2024 GMC Sierra 1500 Denali38,229 miles · White's Frontier Motors · Gillette, WY · 0 mi away$53,894
2026 GMC Sierra 1500 Denali9,101 miles · White's Frontier Motors · Gillette, WY · 0 mi away$67,294
2026 GMC Sierra 1500 Elevation14 miles · White's Frontier Motors · Gillette, WY · 0 mi away$53,779