2020 GMC Sierra SLT

VIN  3GTU9DET1LG327279

This 2020 GMC Sierra SLT is listed at $27,294 with 151,584 miles in St George, UT.

GOOD DEAL $3,703 below typical price Asking $27,294 · typical market price $30,997 · based on 58 comparable same-build listings.
VehiLeaks · Vehicle History Report
The full history of this 2020 GMC Sierra SLT
VIN 3GTU9DET1LG327279 · one-time $6, no subscription
  • Reported accidents & damage
  • Title brands — salvage, flood, lemon
  • Odometer readings over time
  • Every past listing: price, dealer, photos
Pickup 3.0L V6 4WD Diesel
2020 GMC Sierra SLT
$6 one-time
Get the full report → Instant access after checkout

Market Price Range

Below market
$25,797
Typical price
$30,997
Above market
$39,803
Based on 58 comparable same-build listings.
This vehicle: $27,294 — $3,703 below the typical market price ($30,997)
Market data as of August 16, 2026

Vehicle Decode

Body
Pickup
Engine
3.0L · V6 · 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

Price dropped $2,882 (−9.6%) over 70 days.

Jun 3, 2026 · $29,877 Aug 12, 2026 · $26,995

Asking prices recorded across 3 listing dates for VIN 3GTU9DET1LG327279, spanning 70 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
St. George Dixie Motors St George, UT 84770 $27,294 151,584 mi 2026-06-06

Former listings

Dealer Location Price Mileage Listed
Ken Garff St. George Ford Lincoln St. George, UT 84770 $29,877 151,150 mi 2026-06-03

What would this 2020 GMC Sierra SLT cost per month?

Estimate the monthly payment on a $27,294 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
$486
per month
60 months · 7.0% APR · $2,729 down
Amount financed
$24,565
Total interest
$4,595

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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