2020 GMC Sierra 1500 AT4
$3,519 less than this car
- 87,397 mi
- 4WD
- 10-Speed Automatic
- Gasoline
- Truck
Sands Chrysler Jeep Dodge Ram · Quakertown, PA · 22 mi away
56,674 miles · truck · Price dropped $1,761

This 2019 GMC Sierra 1500 AT4 in Pacific Blue Metallic features: EcoTec3 6.2L V8 10-Speed Automatic 4WD Clean CARFAX.Odometer is 47034 miles below market average!Our model lineup is second to none! Make sure you swing in today to get an incredible deal on many new and used Buick and GMC models. These vehicles come packed full of features including a one-of-a-kind navigation system that will get you to any location efficiently and safely. Have kids and want to keep them entertained? Our Rear Seat DVD equipped vehicles will have them settled in for those long trips. The average family is getting larger and larger so make sure to check out our vehicles with the extra space with third row seating that can fit kids, dogs, adults, and more! Of course, when it gets chilly in those winter months, features like climate control and heated leather seating are exactly what your body needs for an early morning trip into work. Check out all of these features and more in our stock of vehicles. Other features include but are not limited to Power Moonroof, New Battery, New Tires, Non-Smoker Interior, Paddle Shifters, One Owner Carfax Certified, Premium Wheels, 30+ MPG, Premium Cloth Seating, New Brakes, Premium Sound System, Rear Bucket Seats, Remainder of Factory Warranty, Rear Back-Up Sensors, Remote Keyless Entry, Service Records Available, Steering Wheel Controls, Remote Start, Tow Package, Traction Control, XM Radio, USB Ports, and much more! Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply. See our specials for more details.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the highest-priced · 0% of 4 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 5, 2026. 1 price change at this dealership: $40,185 → $38,424 (−$1,761).
Market activity: O'Neil GMC cut prices on 47 GMC Sierra 1500 by an average of $2,003
AutosXchange Intel Hub: Price changes for this model in Pennsylvania · This model in the Intel Hub · Market movers in Pennsylvania
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 14); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2019–2020 Sierra 1500 AT4 · used · any miles · within 50 miles of Warminster, Pennsylvania. All 4 comparable cars for sale, nearest first.
$3,519 less than this car
Sands Chrysler Jeep Dodge Ram · Quakertown, PA · 22 mi away
$3,985 less than this car
Raceway Chevy · Bethlehem, PA · 30 mi away
$6,729 less than this car
Johnson Dodge-Chrysler-Jeep · Budd Lake, NJ · 49 mi away
$3,429 less than this car
Johnson Dodge-Chrysler-Jeep · Budd Lake, NJ · 49 mi away
2020 GMC Sierra 1500 AT487,397 miles · Sands Chrysler Jeep Dodge Ram · Quakertown, PA · 22 mi away$34,905$3,519 less than this car
2019 GMC Sierra 1500 AT467,742 miles · Raceway Chevy · Bethlehem, PA · 30 mi away$34,439$3,985 less than this car
2020 GMC Sierra 1500 AT4 Truck91,679 miles · Johnson Dodge-Chrysler-Jeep · Budd Lake, NJ · 49 mi away$31,695$6,729 less than this car
2020 GMC Sierra 1500 AT4 Truck73,841 miles · Johnson Dodge-Chrysler-Jeep · Budd Lake, NJ · 49 mi away$34,995$3,429 less than this carAll years and trims. Nearest first.
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
2020 GMC Sierra 1500 SLT85,637 miles · O'Neil GMC · Warminster, PA · 0 mi away$32,811
2021 GMC Sierra 1500 SLT57,180 miles · O'Neil GMC · Warminster, PA · 0 mi away$35,015
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2024 GMC Sierra 1500 Elevation23,541 miles · O'Neil GMC · Warminster, PA · 0 mi away$47,435
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2026 GMC Sierra 3500 HD Denali Ultimate DRW6,383 miles · O'Neil GMC · Warminster, PA · 0 mi away$90,345
2026 GMC Sierra 1500 Pro6 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,220