{"vin":"1GTU9DET0MZ192717","slug":"2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717","shortCode":"ng35gb","year":2021,"make":"GMC","model":"Sierra 1500","trim":"SLT","bodyStyle":"Truck","mileage":128700,"price":32944,"monthly":576,"drivetrain":"4WD","fuel":"Diesel","exteriorColor":"Summit White","dealer":"Long Lewis Ford","city":"Muscle Shoals","state":"AL","url":"https://carlookout.com/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717","image":"https://pictures.dealer.com/l/longlewismuscleshoalsfordfd/1845/a0ec218a0090b9437b14d1ca9edc5936x.jpg","summary":"2021 GMC Sierra 1500 SLT for sale in Muscle Shoals, AL. This truck features a 4WD drivetrain and an I6 engine with a 10-speed automatic transmission. Running on diesel fuel, this used GMC Sierra under 130,000 miles near ","description":"2021 GMC Sierra 1500 SLT for sale in Muscle Shoals, AL. This truck features a 4WD drivetrain and an I6 engine with a 10-speed automatic transmission. Running on diesel fuel, this used GMC Sierra under 130,000 miles near Muscle Shoals offers reliable power for your daily needs. The Summit White exterior is well-maintained, and the vehicle's body style as a truck provides ample space and utility. If you are looking for a durable workhorse or a capable off-road vehicle, this Sierra 1500 SLT in Summit White is an excellent option.","metaDescription":"Find your next truck! This 2021 GMC Sierra 1500 SLT in Summit White features a 4WD drivetrain and I6 diesel engine near Muscle Shoals, AL.","highlights":["2021 GMC Sierra 1500 SLT","Summit White exterior color","I6 Diesel engine with 10-speed automatic transmission","4WD capability for versatile terrain"],"features":[],"images":["/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-1.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-2.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-3.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-4.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-5.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-6.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-7.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-8.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-9.webp","/vehicles/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717/2021-gmc-sierra-1500-slt-muscle-shoals-al-1gtu9det0mz192717-10.webp"],"mpgCity":14,"mpgHighway":null,"transmission":"10-Speed Automatic","engine":"I6","horsepower":null,"doors":4,"stockNumber":"TA0989","sourceUrl":"https://www.longlewisford.com/used/GMC/2021-GMC-Sierra-1500-14bd3923ac183e241d82403349f00a04.htm","status":"active","removedAt":"2026-07-06T03:15:23.773Z","clicks":0,"dealerRating":4.7,"dealerReviews":2479,"dealerAddress":"2800 Woodward Ave, Muscle Shoals, AL 35661, USA","dealerPhone":"(256) 386-7800","dealerLat":34.734891999999995,"dealerLng":-87.6681292}