2021 GMC Sierra 1500 AT4 4x4 Truck Crew Cab I-6 DI DOHC TDsl
$2,672 more than this car
- 69,958 mi
- 4WD
- Automatic
- Truck
JP Sides Ford · Anna, IL · 131 mi away
2020 GMC Sierra 1500 AT4 Crew Cab Short Bed Truck I6 24V DDI DOHC Turbo Diesel
107,706 miles · truck

This 2020 GMC Sierra 1500 AT4 delivers impressive capability in a refined package. Finished in gray with jet black leather interior adorned with Kalahari accents, this crew cab short box combines rugged style with premium comfort. The turbocharged 3.0L I-6 diesel engine pairs with a 10-speed automatic and 4WD to provide strong performance and efficiency. - Power sunroof - Technology package with premium GMC infotainment system and navigation - 20" machined aluminum wheels with carbon grey metallic accents - Automatic emergency braking and forward collision alert - Lane keep assist with lane departure warning - Heated and ventilated front seats with 10-way power adjustment - Rear camera mirror with HD surround vision - Ultrasonic front and rear park assist - Premium Bose 7-speaker sound system with SiriusXM - ProGrade trailering system with integrated brake controller The AT4 Premium Package, Driver Alert Package II, and comprehensive safety suite make this truck a well-equipped choice for work or weekend adventures. Visit us today to experience this capable diesel truck behind the wheel.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 33% of 3 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 8, 2026. No price change at this dealership since Nov 8 ($31,228).
AutosXchange Intel Hub: Price changes for this model in Illinois · This model in the Intel Hub · Market movers in Illinois
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2021 Sierra 1500 AT4 · used · any miles · within 250 miles of Robinson, Illinois. All 3 comparable cars for sale, nearest first.
$2,672 more than this car
JP Sides Ford · Anna, IL · 131 mi away
$6,328 less than this car
Access Auto Wholesale & Leasing · Lowell, IN · 158 mi away
$1,728 less than this car
Luxury Motors Inc. · Crestwood, IL · 183 mi away
2021 GMC Sierra 1500 AT4 4x4 Truck Crew Cab I-6 DI DOHC TDsl69,958 miles · JP Sides Ford · Anna, IL · 131 mi away$33,900$2,672 more than this car
2021 GMC Sierra 1500168,810 miles · Access Auto Wholesale & Leasing · Lowell, IN · 158 mi away$24,900$6,328 less than this car
2021 GMC Sierra 1500103,548 miles · Luxury Motors Inc. · Crestwood, IL · 183 mi away$29,500$1,728 less than this carAll GMC models, all years and trims. Nearest first.
Silverthorne Ford · Robinson, IL · 0 mi away
Silverthorne Ford · Robinson, IL · 0 mi away
Silverthorne Ford · Robinson, IL · 0 mi away
Silverthorne Ford · Robinson, IL · 0 mi away
Silverthorne Ford · Robinson, IL · 0 mi away
2025 GMC Sierra 1500 SLT Truck EcoTec3 V855,268 miles · Silverthorne Ford · Robinson, IL · 0 mi away$39,536
2018 GMC Canyon SLE1 Truck V628,644 miles · Silverthorne Ford · Robinson, IL · 0 mi away$24,224
2024 GMC Terrain SLT SUV DOHC62,252 miles · Silverthorne Ford · Robinson, IL · 0 mi away$23,032
2025 GMC Canyon AT4X AEV Truck I4 Turbocharged DOHC 16V LEV3-SULEV30 310hp12,629 miles · Silverthorne Ford · Robinson, IL · 0 mi away$50,647
2026 GMC Canyon Elevation Crew Cab Short Bed Truck I4 16V GDI DOHC Turbo4,560 miles · Silverthorne Ford · Robinson, IL · 0 mi away$44,002