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2021 GMC Sierra 1500 SLT



  • $37,842 Covert Price

  • Dealer Doc Fee: +$225
  • Covert Price: $37,842
  • *Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.

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Vehicle Information

VIN: 3GTU9DED8MG158825
Stock #: 251994A
Model Code: TK10543
  • Body Style Crew Cab
  • Exterior Color White Frost Tricoat
  • Interior Color Dark Walnut/Slate, Perforated Leather-Appointed Front Outboard Seat Trim
  • Mileage 106,438
  • Fuel Economy
    City/Highway 14/20 MPG
  • Engine Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

The 2021 GMC Sierra 1500 SLT asserts itself as the smart pick among full-size pickups, especially when compared to the Ford F-150 and Ram 1500. Its combination of robust standard features, advanced technology, and standout towing equipment sets it apart. The Sierra’s X31 Off-Road Package and Texas Edition SLT Premium Plus Package give buyers extra capability and comfort unavailable in rivals at this trim level.

Shoppers evaluating options like the F-150 Lariat or Ram 1500 Big Horn will find the Sierra ideal for those needing a dependable daily driver with serious worksite and off-road readiness. Its power-adjustable heated leather seats, intuitive GMC Infotainment System with Apple CarPlay/Android Auto, and driver memory settings appeal to owners who split time between job sites and family travel. The SUV’s advanced trailering tech and heavy-duty suspension further match demanding towing, hauling, and recreation needs.

While the F-150 offers multiple engine choices, this truck’s proven V8 engine delivers strong, responsive power for both highway and off-road driving. Paired with a smooth-shifting automatic transmission and a 3.23 rear axle ratio, the Sierra excels at towing and payload tasks. The heavy-duty suspension and X31 Off-Road Package add ruggedness for unpaved routes, and the In-Vehicle Trailering App with Hitch Guidance provides hands-on utility that many competitors lack or offer only as options.

Safety comes standard with the Sierra, where others require upgrades. This truck offers comprehensive protection through dual front and side impact airbags, electronic stability control, ABS brakes, a rearview camera, and advanced driver assistance via Driver Alert Packages I and II. Features like lane departure warning, blind spot monitoring, and hitch guidance are included, while competitors frequently reserve these for higher trims or pricey packages.

The Sierra’s SLT trim is loaded with features that enhance comfort, utility, and technology. Amenities such as dual-zone automatic climate control, heated steering wheel, 10-way power-adjustable front seats with lumbar, and premium leather-appointed seating ensure a refined cabin. The Convenience and Preferred Packages add keyless entry, memory seat, and upgraded audio, while the Texas Edition SLT Premium Plus Package further boosts luxury and capability. The power sunroof and multi-touch infotainment unite for a premium experience.

In comparison to the Ford F-150 Lariat and Ram 1500 Big Horn, the Sierra 1500 SLT delivers superior value with more standard driver assistance features and specialized off-road capability. While competitors may tout infotainment options or marginally greater towing, the Sierra integrates its technology, trailering, and comfort at a more accessible trim level, making it the high-value, proven choice for shoppers seeking reliability and resale strength.

The Sierra 1500 SLT stands apart by offering trailering tech, premium interior touches, and advanced safety features standard, answering why it’s a stronger value than many rivals. Questions about towing are resolved by the heavy-duty suspension and In-Vehicle Trailering App, while comfort questions are addressed with heated leather seating and dual-zone climate. Compared to its segment, this truck’s blend of durability and upscale amenities is unmatched for the price point.

To make an informed decision among leading trucks, visit Covert Chevrolet Bastrop at 702 State Hwy 71, Bastrop, TX 78602 or call (512) 308-3161. Their team can provide further clarity on the Sierra’s competitive advantages, available packages, and how this model exceeds expectations for work and recreation alike.

Eligible Benefits

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All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 14 MPG
    • Hwy: 20 MPG
    • Combined: 16 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Gasoline Fuel
  • Horse Power
    • Horse Power: 355
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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Offers you may qualify for:
Vehicle Appearance Package $899 This vehicle has dealer-added options: Window Tint, 3M Paint Protection Plan, and OptiCam Protection. See dealer for details.
Covert Protection Plan $2995 This vehicle has dealer-added options: Cilajet Interior and Exterior Application, Key/Remote Replacement, Theft Protection, ForeverStart Battery Protection and Covert Loyalty Advantage. See dealer for details.

Covert Ford Sale Price does not include applicable state sales tax,Inventory tax charged by Travis County, TX, title, license, processing, regional advertising fees listed on dealer invoice. *Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate. Certain discounts require financing with FMCC (with approved credit) or Trading in a 1995 model or newer vehicle towards purchase. Manufacturer may change rebates without prior notice. Please check dealer for actual pricing, availability, and to confirm eligibility of each vehicle for Select Rebate Programs. Not responsible for typographical errors. Vehicles listed with a Covert Discount only, without rebates, include package savings from Ford AND all available standard rebates, zero percent financing is not available on these units at the listed price/discounts and are listed as featured vehicles on the home page. Contact dealer for full details: 512-345-4343.