REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Harrison Auto Sales · Irwin, PA

2021 GMC Sierra 1500 4x4 AT4

2021 GMC Sierra 1500 AT4

132,751 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelSierra 1500
TrimAT4 SB
VIN
Stock numberR426418
Mileage132,751 miles
BodyPickup
Engine6.2L V8
Drivetrain4WD
FuelGasoline

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Irwin, Pennsylvania
Asking price$29,121Dealer asking price · 132,751 mi
Market value$39,875Market value · based on 3 comparable cars
vs. market Great deal-27.0%Great deal · based on 3 comparable cars

Where this price sits

Among the lowest-priced · 100% of 3 similar listings ask more than this car.

$29,121lowest$40,294highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-27.0%
−25%Market value+25%
Great deal$10,754 below the market value of $39,875

Price range

$29,121
$29,121$40,294
Lowest price of 4 similar listings within 250 milesTick marks the market value · range of 3 similar listings

AutosXchange Insights

  • Compared with 3 used 2020–2021 GMC Sierra 1500 AT4 SB listings within 250 mi.
  • Priced $10,754 below the market value of 3 comparable cars.
  • Lowest price of 4 similar listings within 250 miles.
  • Has about 63,000 more miles than similar listings.
  • About 22,125 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # R426418 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 5, 2026. No price change at this dealership since Nov 5 ($28,999).0 price changes at this dealership: $28,999 → $28,999.

$28.7k$28.8k$28.9k$29.0k$29.1k$29.2kNov 10Nov 11data corrected

A dotted line marks where AutosXchange corrected a wrongly captured price; it is not a price change.

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 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2020–2021 Sierra 1500 AT4 SB · used · any miles · within 250 miles of Irwin, Pennsylvania. All 3 comparable cars for sale, nearest first.

AutosXchange Intel uses current dealer-advertised asking prices, not completed sales or appraisals. It compares the same trim and condition (new or used) where at least three are listed nationwide, and adjusts the expected price for mileage; it is not adjusted for options, condition or accident history. Similar listings are searched within 50, 100 and 250 miles of the dealer first, then the dealer's state, then nationwide. The left gauge spans ±25% of the expected price. How AutosXchange price analysis works

More GMC Sierra 1500 and other GMC near Irwin

All GMC models, all years and trims. Nearest first.

2024 GMC Sierra 1500 AT4 vehicle photo2024 GMC Sierra 1500 AT434,091 miles · Jim Shorkey Kia North Huntingdon · Irwin, PA · 0 mi away$51,4892021 GMC Canyon AT4 vehicle photo2021 GMC Canyon AT473,054 miles · Harrison Auto Sales · Irwin, PA · 0 mi away$25,2992024 GMC Terrain SLT vehicle photo2024 GMC Terrain SLT34,100 miles · Harrison Auto Sales · Irwin, PA · 0 mi away$23,999