2021 GMC Sierra 1500 SLT
$7,559 less than this car
- 73,879 mi
- 4WD
- Automatic
- Diesel
- Truck
Lighthouse Buick GMC · Morton, IL · 52 mi away
58,650 miles · truck

This 2021 GMC Sierra 1500 SLT Crew Cab is a versatile workhorse finished in crisp White with a premium Jet Black Leather interior. Powered by the capable EcoTec3 5.3L V8 engine paired with a smooth 10-speed automatic transmission and 4WD capability, this truck delivers the performance and confidence you need on any terrain. With just 58,650 miles, this Sierra is well-maintained and ready to take on whatever comes next. - SLT Premium Plus Package - X31 Off-Road Package - All-terrain 275/60R20 blackwall tires - Heated front seats with ventilation - Premium Bose 7-speaker sound system with SiriusXM - Apple CarPlay and Android Auto integration - Adaptive cruise control with lane keep assist - Automatic emergency braking with pedestrian protection - Wireless charging and dual USB ports - ProGrade trailering system with integrated trailer brake controller This Sierra is Summit Certified, giving you added confidence in its quality and condition. Our comprehensive inspection and certification process ensure this truck meets our high standards for reliability and performance. Don't miss this outstanding Sierra 1500—visit us today to experience its commanding presence and premium features firsthand. We're confident you'll find exactly what you're looking for in this exceptional truck.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the highest-priced · 0% of 8 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Same 2021 Sierra 1500 SLT · used · any miles · within 100 miles of Peru, Illinois. All 8 comparable cars for sale, nearest first.
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Lighthouse Buick GMC · Morton, IL · 52 mi away
$559 less than this car
Lighthouse Buick GMC · Morton, IL · 52 mi away
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Ed Morse Chevrolet Muscatine IA · Muscatine, IA · 100 mi away
2021 GMC Sierra 1500 SLT73,879 miles · Lighthouse Buick GMC · Morton, IL · 52 mi away$30,912$7,559 less than this car
2021 GMC Sierra 1500 SLT53,319 miles · Lighthouse Buick GMC · Morton, IL · 52 mi away$37,912$559 less than this car
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2021 GMC Sierra 1500 SLT73,177 miles · Castle Kia McHenry · Mchenry, IL · 81 mi away$34,652$3,819 less than this car
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Jeff Perry Buick GMC · Peru, IL · 0 mi away
Jeff Perry Buick GMC · Peru, IL · 0 mi away
Illinois Valley Auto Group · Peru, IL · 0 mi away
Illinois Valley Auto Group · Peru, IL · 0 mi away
Illinois Valley Auto Group · Peru, IL · 0 mi away
Schimmer Hyundai · Peru, IL · 0 mi away
Jeff Perry Buick GMC · Peru, IL · 0 mi away
Jeff Perry Buick GMC · Peru, IL · 0 mi away
2021 GMC Sierra 1500 AT492,178 miles · Jeff Perry Buick GMC · Peru, IL · 0 mi away$32,005
2022 GMC Sierra 3500 HD Denali65,282 miles · Jeff Perry Buick GMC · Peru, IL · 0 mi away$56,878
2020 GMC Sierra 1500 Elevation Crew Cab 4WD101,769 miles · Illinois Valley Auto Group · Peru, IL · 0 mi away$26,198
2020 GMC Sierra 1500 Elevation Double Cab 4WD142,346 miles · Illinois Valley Auto Group · Peru, IL · 0 mi away$24,188
2020 GMC Sierra 2500HD Denali Crew Cab 4WD121,894 miles · Illinois Valley Auto Group · Peru, IL · 0 mi away$49,477
2022 GMC Sierra 2500HD SLE 4WD60,524 miles · Schimmer Hyundai · Peru, IL · 0 mi away$39,401
2023 GMC Sierra 1500 Elevation50,608 miles · Jeff Perry Buick GMC · Peru, IL · 0 mi away$39,004
2023 GMC Sierra 2500 HD SLT94,200 miles · Jeff Perry Buick GMC · Peru, IL · 0 mi away$48,656