2020 GMC Sierra SLT

VIN  3GTU9DED7LG289520

This 2020 GMC Sierra SLT is listed at $29,980 with 98,318 miles in Palmyra, NJ.

GOOD DEAL $4,015 below typical price Asking $29,980 · typical market price $33,995 · based on 285 comparable same-build listings.
VehiLeaks · Vehicle History Report
The full history of this 2020 GMC Sierra SLT
VIN 3GTU9DED7LG289520 · one-time $6, no subscription
  • Reported accidents & damage
  • Title brands — salvage, flood, lemon
  • Odometer readings over time
  • Every past listing: price, dealer, photos
Pickup 5.3L V8 4WD Gasoline
2020 GMC Sierra SLT
$6 one-time
Get the full report → Instant access after checkout

Market Price Range

Below market
$27,996
Typical price
$33,995
Above market
$39,000
Based on 285 comparable same-build listings.
This vehicle: $29,980 — $4,015 below the typical market price ($33,995)
Market data as of August 16, 2026

Vehicle Decode

Body
Pickup
Engine
5.3L · V8 · Gasoline
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

Price increased $688 (+2.3%) over 1 day.

Jul 30, 2026 · $29,980 Jul 31, 2026 · $30,668

Asking prices recorded across 2 listing dates for VIN 3GTU9DED7LG289520, spanning 1 day.

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
F.C. Kerbeck Premium Brands & Pre-Owned Cadillac Palmyra, NJ 8065 $29,980 98,318 mi 2026-07-30

Former listings

Dealer Location Price Mileage Listed
F.C. Kerbeck Premium Brands & Pre-Owned Cadillac Palmyra, NJ 8065 $30,668 98,318 mi 2026-07-31
F C Kerbeck New and Used Palmyra, NJ 8065 $29,980 98,318 mi 2026-07-30

What would this 2020 GMC Sierra SLT cost per month?

Estimate the monthly payment on a $29,980 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
$534
per month
60 months · 7.0% APR · $2,998 down
Amount financed
$26,982
Total interest
$5,058

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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