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2021 GMC Sierra for sale in Saint Louis

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2021 GMC Sierra
$19,995

Description:

Check out this 2021 GMC Sierra just listed for sale by Auto Buyers Market. This vehicle is located in Saint Louis at Dave Sinclair Ford, Inc.. This is a 2021 GMC Sierra. The 2021 GMC Sierra 1500 SLT stands out as a smart value proposition in the crew cab pickup segment by bundling premium features that competitors often reserve for higher trims or expensive add-ons. Analytical buyers who scrutinize spec sheets and compare feature lists will appreciate the Sierra SLT's comprehensive standard equipment. The 10-way power driver and passenger seats with lumbar support, dual-zone automatic climate control, and a memory seat system offer everyday comfort and customization. For those in St. Louis or similar regions facing diverse weather and job site demands, the reliable 4WD system and advanced trailering tech mean this truck is ready for both winter commutes and heavy-duty hauling, maximizing utility without requiring costly package upgrades. Performance value is a core strength of this truck, thanks to the EcoTec3 5.3L V8 paired with a 10-speed automatic transmission for smooth, responsive power delivery. This combination provides confident acceleration and towing capabilities, delivering the kind of muscle expected from a full-size pickup at a reasonable cost of ownership. With EPA ratings of 16 mpg city and 22 mpg highway, the Sierra 1500 SLT balances robust performance with respectable efficiency for its class, translating to real-world fuel savings over time. Maintenance costs are kept in check by proven GMC engineering and readily available service parts, supporting long-term value. Safety value is maximized with a suite of standard equipment that rivals often reserve for higher trims or optional packages. This truck includes ABS brakes, dual front and side impact airbags, electronic stability control, brake assist, and a low tire pressure warning system-all as standard. The inclusion of Hitch Guidance and Hitch Guidance with Hitch View supports secure trailering without requiring additional tech packages. These features mean owners receive comprehensive safety without hidden costs, making the Sierra SLT a standout for value-conscious buyers prioritizing protection on every drive. The Sierra SLT comes equipped with two key packages: the SLT Convenience Package and SLT Premium Package, both of which enhance everyday functionality. Standard features include premium audio with a 6-speaker system, remote keyless entry, a split folding rear seat for versatile cargo and passenger arrangements, and advanced infotainment via a multi-touch display. The In-Vehicle Trailering App simplifies towing logistics, while heated door mirrors and fully automatic headlights boost convenience and visibility. Practical luxury is delivered without forcing buyers into costly option lists, underscoring the Sierra's high feature-to-price ratio. Against rivals like the Ford F-150 XLT and Ram 1500 Big Horn, the Sierra 1500 SLT asserts a value edge by including amenities as standard that competitors typically offer only as paid upgrades. Is the Sierra SLT worth the price? Yes, because you receive premium comfort, tech, and safety features without the typical upcharge. What's included as standard equipment? Heated front leather-appointed seats, dual-zone climate control, premium infotainment with smartphone integration, and advanced trailering tech all come included. To experience the value-driven 2021 GMC Sierra 1500 SLT in person, visit Dave Sinclair Ford at 7466 S Lindbergh Blvd, St. Louis, MO 63125 or call (314) 892-2600. Discover how this crew cab pickup delivers more standard features and peace of mind than many competitors, all backed by a team committed to maximizing your satisfaction and value.


Location:
Dealership: Dave Sinclair Ford, Inc.
City: Saint Louis
State: MO
Phone: Unavailable, please use contact form
Details:
Year: 2021
Make: GMC
Model: Sierra
Body Style: Pickup
Mileage: 182,575
Engine: 5.3L
Exterior Color: Ebony Twilight Metallic
Transmission: Unavailable
Trim: SLT
Fuel Type: Gasoline
Price: $19995
ZIP 63125
Stock # 6106401
VIN # 3GTU9DED6MG170357
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Message Icon Please contact the dealership using the quote form to verify pricing and availability. Tell them you saw it in Auto Buyers Market.
Features:
4-Wheel Disc Brakes
8 Cylinder Engine
A/C
Abs
Adjustable Steering Wheel
Aluminum Wheels
Am/Fm Stereo
Auto-Dimming Rearview Mirror
Auxiliary Audio Input
Back-Up Camera
Bluetooth Connection
Climate Control
Cruise Control
Daytime Running Lights
Driver Adjustable Lumbar
Driver Air Bag
Driver Restriction Features
Floor Mats
Fog Lamps
Four Wheel Drive
Front Head Air Bag
Front Side Air Bag
Gasoline Fuel
Hd Radio
Heated Front Seat
Heated Mirrors
Heated Steering Wheel
Integrated Tailgate Step
Keyless Entry
Keyless S
Fuel Consumption: City: 14 Mpg
Fuel Consumption: Highway: 20 Mpg
Memorized Settings Including Door Mirror(S)
Memorized Settings For 2 Drivers
Driver Seat Memory
Remote Engine Start : Keyfob Remote Start
Remote Power Door Locks
Power Windows
Cruise Controls On Steering Wheel
Cruise Control
Trailer Hitch
4-Wheel Abs Brakes
Front Ventilated Disc Brakes
1St And 2Nd Row Curtain Head Airbags
Passenger Airbag
Side Airbag
Bluetooth Wireless Phone Connectivity
Premium Gmc Infotainment System
Audio System Premium Brand: Gmc Infotainment System
Siriusxm With 360L Am/Fm/Hd/Satellite
Radio Data System
Siriusxm With 360L Satellite Radio
Total Number Of Speakers: 6
Braking Assist
Abs And Driveline Traction Control
Stability Controll With Anti-Roll
Privacy Glass: Deep
Machined Aluminum Rims W/ Painted Accents
Wheel Diameter: 18
Wheel Width: 8.5
Front Fog/Driving Lights
Leather Steering Wheel Trim
Urethane Shift Knob Trim
Metal-Look Dash Trim
Simulated Wood/Metal-Look Door Trim
Video Monitor Location: Front
Trip Computer
External Temperature Display
Auxiliary Engine Cooler : Yes
Tachometer
Manufacturer's 0-60Mph Acceleration Time (Seconds): 6.2 S
Auxiliary Transmission Cooler : Yes
Driver's Side Electrochromatic Auto-Dimming Mirrors
Power Remote W/Tilt Down Driver Mirror Adjustment
Heated Driver Mirror
Heated Passenger Mirror
Electrochromatic Rearview Mirror
Power Remote W/Tilt Down Passenger Mirror Adjustment
Power Retractable Mirrors
Dual Reverse Tilt Mirrors
Dual Illuminated Vanity Mirrors
Compass
Daytime Running Lights
Climate Controlled : Driver And Passenger Heated
Remote Window Operation
Audio Controls On Steering Wheel
Front And Rear Reading Lights
Anti-Theft Alarm System
Leather Seat Upholstery
Front Split-Bench
Split Rear Bench
Fold-Up Cushion Rear Seats
Rear Seats Center Armrest
Tilt And Telescopic Steering Wheel
Heated Steering Wheel
Speed-Proportional Electric Power Steering
Suspension Class: Regular
Automatic Front Air Conditioning
Dual Front Air Conditioning Zones

Model info:

The GMC Sierra is a line of full-size pickup trucks manufactured by General Motors under the GMC brand. It has been a prominent vehicle in the truck market for several decades, offering a range of capabilities and configurations. Sierra has a long history, with various generations produced over the years. The first generation was introduced in the early 1960s, and the model has seen numerous updates and redesigns since then. Available in multiple trims, Sierra caters to different preferences and needs. Common trims include the Sierra, SLE, SLT, AT4, and Denali. The Denali trim, in particular, represents the top-tier luxury offering, featuring premium materials, advanced technology, and distinctive styling. GMC Sierra trucks are known for their robust towing and hauling capabilities, making them suitable for both work and personal use. The Sierra lineup includes various body styles, including regular cab, double cab, and crew cab, providing options for different passenger and cargo needs. Sierra trucks are also known for their powerful engine options, advanced towing technologies, and comfortable interiors. Depending on the trim level and configuration, features may include premium audio systems, advanced safety features, off-road capabilities (in the AT4 trim), and luxurious appointments in the Denali trim. The 2024 GMC Sierra starts at $37,700 for the most basic Pro trim with a Regular Cab and Standard Bed. Popular configurations like the Double Cab or Crew Cab models with V6 engines can fall within the $45,000 to $55,000 range. A fully loaded Sierra Denali with all the bells and whistles can easily reach $70,000 or even exceed $80,000.


Disclaimer:
Prices on used cars for sale exclude vehicle registration, title, fees and taxes and are subject to change. Vehicles and descriptions for Dave Sinclair Ford, Inc. electronically placed by Auto Buyers Market for Dave Sinclair Ford, Inc.. Neither Auto Buyers Market, nor Dave Sinclair Ford, Inc. are responsible for typographical errors or omissions. All vehicle information should be verified with Dave Sinclair Ford, Inc. including pricing and availability by calling .


Updated on:11/10/26
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Dave Sinclair Ford, Inc.

7466 S Lindbergh, Saint Louis, MO

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Dave Sinclair Ford, Inc.

7466 S Lindbergh, Saint Louis, MO

Tell'em you saw it in Auto Buyers Market


See other listings from this dealer

📧 Contact Dealer for Quote

📍 Dealership Location: Saint Louis, MO 63125
Inquiries and price quotes are serviced for buyers within the dealership's local market area.
Enter your 5-digit local ZIP code

Dealer's location






Cars Connected