2020 GMC Sierra AT4

VIN  1GT49PEY7LF232451

This 2020 GMC Sierra AT4 is listed at $44,599 with 131,157 miles in Castle Rock, CO.

GOOD DEAL $4,148 below typical price Asking $44,599 · typical market price $48,747 · based on 50 comparable same-build listings.
VehiLeaks · Vehicle History Report
The full history of this 2020 GMC Sierra AT4
VIN 1GT49PEY7LF232451 · one-time $6, no subscription
  • Reported accidents & damage
  • Title brands — salvage, flood, lemon
  • Odometer readings over time
  • Every past listing: price, dealer, photos
Pickup 6.6L V8 4WD Diesel
2020 GMC Sierra AT4
$6 one-time
Get the full report → Instant access after checkout

Market Price Range

Below market
$42,897
Typical price
$48,747
Above market
$55,224
Based on 50 comparable same-build listings.
This vehicle: $44,599 — $4,148 below the typical market price ($48,747)
Market data as of August 16, 2026

Vehicle Decode

Body
Pickup
Engine
6.6L · V8 · Diesel
Drive
4WD/4-Wheel Drive/4x4
Doors
4
Made by
GENERAL MOTORS LLC

Safety

  • Backup camera
  • Blind-spot monitor
  • Lane departure
  • ABS
  • Electronic stability

Price history for this VIN

Jul 29, 2026 · $44,599 Aug 9, 2026 · $44,599

Asking prices recorded across 4 listing dates for VIN 1GT49PEY7LF232451, spanning 11 days.

Safety & ownership

EPA fuel economy (MPG)

City
23
Highway
30
Combined
26
Est. fuel cost: $1,790/year
Assumes 15,000 miles a year at $3.10/gallon and 26 MPG combined.

Model-level data for the 2020 GMC Sierra from NHTSA (recalls, NCAP crash tests) and EPA fueleconomy.gov, refreshed July 28, 2026.

Active listings

Full listing history on VehiSales →
Dealer Location Price Mileage Listed
Castle Rock Chevrolet GMC Castle Rock, CO 80104 $44,599 131,157 mi 2026-08-01

Former listings

Dealer Location Price Mileage Listed
Castle Rock Chevrolet GMC Castle Rock, CO 80104 $44,599 131,143 mi 2026-08-07

What would this 2020 GMC Sierra AT4 cost per month?

Estimate the monthly payment on a $44,599 vehicle. Move the numbers to match your own loan.

10% down
7.0% is a typical rate for a well-qualified buyer — use your own quote if you have one.
Loan term
Estimated monthly payment
$795
per month
60 months · 7.0% APR · $4,460 down
Amount financed
$40,139
Total interest
$7,561

Estimate only. Excludes tax, title, registration and dealer fees, and assumes a fixed-rate loan with equal monthly payments. Your actual rate depends on your credit and lender.

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