2020 GMC Sierra Denali

VIN 3GTU9FET4LG425055

This 2020 GMC Sierra Denali is listed at $34,548 with 128,910 miles in Herculaneum, MO.

FAIR PRICE within $448 of the typical market price Asking $34,548 · typical market price $34,100 · based on 53 comparable same-build listings.

VehiLeaks · Vehicle History Report

The full history of this 2020 GMC Sierra Denali

VIN 3GTU9FET4LG425055 · 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

$6 one-time

Get the full report → Instant access after checkout

Market Price Range

Below market

$28,045

Typical price

$34,100

Above market

$40,218

Based on 53 comparable same-build listings.

This vehicle: $34,548 — within $448 of the typical market price ($34,100)

Market data as of August 16, 2026

See all 2020 GMC Sierra prices — typical $34,100 →

Vehicle Decode

Body: Pickup
Engine: 3.0L · V6 · Diesel
Drive: 4WD/4-Wheel Drive/4x4
Doors: 4
Made by: GENERAL MOTORS LLC

Pull the original window sticker →

Safety

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

Price history for this VIN

Asking price over time

Jul 27, 2025 · $34,548 Aug 15, 2026 · $34,548

Asking prices recorded across 6 listing dates for VIN 3GTU9FET4LG425055, spanning 13 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
Sapaugh Chevrolet	Herculaneum, MO 63048	$34,548	128,910 mi	2026-08-15

Former listings

Dealer	Location	Price	Mileage	Listed
Sapaugh GM Country	Herculaneum, MO 63048	$34,548	128,910 mi	2025-07-27

What would this 2020 GMC Sierra Denali cost per month?

Estimate the monthly payment on a $34,548 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

$616

per month

60 months · 7.0% APR · $3,455 down

Amount financed

$31,093

Total interest

$5,867

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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