2020 GMC Sierra 1500 SLT
$12,874 less than this car
- 155,812 mi
- 4WD
- 8-Speed Automatic
- Truck
Classic Auto Sales · Holliston, MA · 8 mi away
54,595 miles · truck

Navigation System, Sunroof / Moonroof, Blind Spot Monitor, Lane Keeping Assistance, Collision Avoidance Assistance, Adaptive Cruise Control, Apple CarPlay / Android Auto, Power Leather Seats, Heated Seats, Backup Camera, Bluetooth, Cruise Control, Power Windows, Power Locks, Steering Wheels Radio Controls, Aluminum Wheels, Running Boards / Side Steps, 10-Speed Automatic, 4WD, Jet Black Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 4G LTE Wi-Fi Hotspot Capable, Adaptive Cruise Control - Camera, Automatic Emergency Braking, Auxiliary External Transmission Oil Cooler, Chrome Grille, Chrome Wheel To Wheel Assist Steps, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front Bucket Seats, Front Frame-Mounted Black Recovery Hooks, Front Pedestrian Braking, GMC Connected Access Capable, HD Radio, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Rear Locking Differential, Hitch Guidance, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Preferred Equipment Group 4SA, Premium Bose 7-Speaker Sound System, ProGrade Trailering System, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Cross Traffic Alert, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L, SLT Convenience Package, SLT Preferred Package, SLT Premium Plus Package, Spray-On Pickup Bed Liner w/GMC Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailering Package, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging. Dark Sky Metallic KBB Fair Market Range Low: $36,990 https://www.kbb.com/kbbreport/0dwsv KBB Fair Market Range High: $39,390 2020 GMC Sierra 1500 SLT 4D Crew Cab SLT 4WD 10-Speed Automatic Priced below KBB Fair Purchase Price! Clean CARFAX. EcoTec3 5.3L V8 Odometer is 29921 miles below market average! MORE ABOUT US: Imperial Cars Purchase With Confidence: 1) Free Car Fax Vehicle History Report available for all our vehicles online. 2) Our vehicles are Imperial Certified and go through a rigorous Multi-Point vehicle inspection. 3) Bottom line pricing. 4) 5-Day or 200 Mile Vehicle Exchange Program for your total confidence. If you are not happy with it bring it back within 7 days or 200 miles and we'll give you a credit of your full purchase price toward the purchase of another vehicle. (Excludes Renewed for You vehicles.) Please be aware that the price listed for the vehicle does not include tax, title, registration, documentation fee, or any other applicable fees. However, it does include a trade-in assistance bonus of $1,000 for qualifying retailable trades with less than 10 years of use from the original in-service date. To be eligible for the advertised promotional price, you must pay in full and take delivery of the vehicle from dealer stock on the same day. For the most up-to-date information and Imperial discounts, please call or email our phone and internet team.
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 7, 2026. No price change at this dealership since Nov 7 ($35,872).
AutosXchange Intel Hub: Price changes for this model in Massachusetts · This model in the Intel Hub · Market movers in Massachusetts
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 2020–2021 Sierra 1500 SLT · used · any miles · within 50 miles of Mendon, Massachusetts. All 3 comparable cars for sale, nearest first.
$12,874 less than this car
Classic Auto Sales · Holliston, MA · 8 mi away
$4,628 less than this car
Chrysler Jeep Dodge Ram 24 · Brockton, MA · 26 mi away
$3,223 more than this car
Marty's GMC · Kingston, MA · 42 mi away
2020 GMC Sierra 1500155,812 miles · Classic Auto Sales · Holliston, MA · 8 mi away$22,998$12,874 less than this car
2021 GMC Sierra 1500 SLT87,716 miles · Chrysler Jeep Dodge Ram 24 · Brockton, MA · 26 mi away$31,244$4,628 less than this car
2021 GMC Sierra 1500 SLT47,490 miles · Marty's GMC · Kingston, MA · 42 mi away$39,095$3,223 more than this carAll years and trims. Nearest first.
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
Imperial Ford · Mendon, MA · 0 mi away
Imperial Ford · Mendon, MA · 0 mi away
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
IMPERIAL CHEVROLET · Mendon, MA · 0 mi away
2020 GMC Sierra 1500 Denali66,246 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$38,372
2020 GMC Sierra 1500 SLT Truck Crew Cab V-8 cyl91,882 miles · Imperial Ford · Mendon, MA · 0 mi away$30,872
2020 GMC Sierra 2500HD Denali Truck Crew Cab V-8 cyl77,914 miles · Imperial Ford · Mendon, MA · 0 mi away$44,872
2021 GMC Sierra 1500 AT499,974 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$31,872
2019 GMC Sierra 1500 Denali57,667 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$36,872
2019 GMC Sierra 1500 Denali56,111 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$37,872
2021 GMC Sierra 1500 AT432,170 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$56,872
2022 GMC Sierra 1500 Elevation50,770 miles · IMPERIAL CHEVROLET · Mendon, MA · 0 mi away$38,372