2021 GMC Sierra 1500 SLE
Specifications, live market data, colors, and factory features.
122 for sale right now
$17,500 – $39,576
Specifications
Performance
- Engine
- 5.3L 8-Cylinder L84 - DI, ALUM, GEN 5, VAR 2
- Horsepower
- 310 hp
- Torque
- 348 lb-ft
- Transmission
- 8-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- MPG City
- 18 mpg
- MPG Highway
- 21 mpg
- MPG Combined
- 19 mpg
- Fuel Tank
- 24 gal
Dimensions
- Length
- 231.7″
- Width
- 81.2″
- Height
- 75.5″
- Wheelbase
- 147.4″
- Curb Weight
- 4,920 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 6
- Base MSRP
- $47,100
Colors
Factory colors on 2021 GMC Sierra 1500 SLEs for sale now.
Exterior
- Summit White(white)13
- Onyx Black(black)10
- Quicksilver Metallic(silver)6
- Pacific Blue Metallic(blue)6
- White5
- Dark Sky Metallic(blue)4
- Satin Steel Metallic(gray)3
- Brownstone Metallic(brown)3
- Blue3
- Steel Metallic(gray)2
Interior
- Jet Black(black)46
- Dark Walnut/Slate(gray)6
- Black4
- Gray4
- Dark Walnut(brown)1
- Beige(brown)1
- BLACK1
Live Market Data
Computed from active 2021 GMC Sierra 1500 SLE listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest SLE Listings
The newest 2021 GMC Sierra 1500 SLEs on the market.
Used 2021 GMC Sierra 1500
$27,989
Est. $412/mo*
Medlin Buick GMC Mazda
Used 2021 GMC Sierra 1500
$32,888
Est. $482/mo*
Bob Allen Motor Mall
Used 2021 GMC Sierra 1500
$32,248
Est. $473/mo*
Jerry's Chevrolet of Beresford
Used 2021 GMC Sierra 1500
$35,274
Est. $516/mo*
Moses AutoMall of Huntington
Used 2021 GMC Sierra 1500
$29,399
Est. $432/mo*
Mazda of Gainesville
Used 2021 GMC Sierra 1500
$22,457
Est. $333/mo*
Martindale Chevrolet
Used 2021 GMC Sierra 1500
$27,995
Est. $412/mo*
Autos Direct of Fredericksburg - Lafayette
Used 2021 GMC Sierra 1500
$34,163
Est. $500/mo*
Ray Price Auto Park Mt. Pocono
What's Yours
Worth?
The median 2021 GMC Sierra 1500 SLE lists for $30,447 today.
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GMC Sierra 1500 SLE
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