2020 GMC Sierra SLT

VIN 1GT49UEY9LF145424

This 2020 GMC Sierra SLT is listed at $35,120 with 189,326 miles in Mansfield, TX.

GREAT DEAL $15,084 below typical price Asking $35,120 · typical market price $50,204 · based on 12 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2020 GMC Sierra SLT

VIN 1GT49UEY9LF145424 · 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

$6 one-time

Get the full report → Instant access after checkout

Market Price Range

Below market

$41,554

Typical price

$50,204

Above market

$57,636

Based on 12 comparable same-build listings.

This vehicle: $35,120 — below the market range (typical price $50,204)

Market data as of August 16, 2026

See all 2020 GMC Sierra prices — typical $50,204 →

Vehicle Decode

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

Get the original window sticker for this VIN →

Safety

✓ Backup camera
✓ Blind-spot monitor
✗ Lane departure
✓ ABS
✓ Electronic stability

Price history for this VIN

Asking price over time

Apr 6, 2025 · $38,895 Aug 15, 2026 · $35,120

Asking prices recorded across 4 listing dates for VIN 1GT49UEY9LF145424, spanning 16 months.

Safety & ownership

EPA fuel economy (MPG)

City

Highway

Combined

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
Texas Truck Barn LLC	Mansfield, TX 76063	$35,120	189,326 mi	2026-08-15
Texas Truck Barn	Fort Worth, TX 76140	$34,995	189,326 mi	2026-08-08
Texas Truck Barn, LLC	Fort Worth, TX 76140	$34,995	189,326 mi	2026-08-08

Former listings

Dealer	Location	Price	Mileage	Listed
—		$38,895	153,587 mi	2025-04-06

What would this 2020 GMC Sierra SLT cost per month?

Estimate the monthly payment on a $35,120 vehicle. Move the numbers to match your own loan.

Vehicle price

Down payment

10% down

Interest rate (APR)

7.0% is a typical rate for a well-qualified buyer — use your own quote if you have one.

Loan term

Estimated monthly payment

$626

per month

60 months · 7.0% APR · $3,512 down

Amount financed

$31,608

Total interest

$5,952

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.