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2025 GMC Sierra HD SLT
VIN
1GT4UNEY2SF139015
This 2025 GMC Sierra HD SLT is listed at $77,777 with 26,737 miles in National City, CA.
ABOVE MARKET
$8,334 above typical price
Asking $77,777 · typical market price $69,443 · based on 66 comparable same-build listings.
Market Price Range
Below market
$64,362
Typical price
$69,443
Above market
$74,432
Based on
66
comparable same-build listings.
This vehicle:
$77,777 — above the market range (typical price $69,443)
Market data as of August 16, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.6L · V8 · Diesel
- Drive
- 4WD/4-Wheel Drive/4x4
- Made by
- GENERAL MOTORS LLC
Safety
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Price history for this VIN
Asking price over time
Dec 11, 2024 · $83,285
Aug 11, 2026 · $77,777
Asking prices recorded across 4 listing dates for VIN 1GT4UNEY2SF139015, spanning 20 months.
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| — | National City, CA 91951 | $77,777 | 26,737 mi | 2026-08-11 |
| National City Auto Center | National City, CA 91950 | $77,710 | 26,737 mi | 2026-08-07 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| National City Auto Center | National City, CA 91950 | $77,777 | 26,737 mi | 2026-08-07 |
| — | $83,285 | — | 2024-12-11 |
What would this 2025 GMC Sierra HD SLT cost per month?
Estimate the monthly payment on a $77,777 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
$1,386
per month
60 months · 7.0% APR · $7,778 down
Amount financed
$69,999
Total interest
$13,161
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.
Watch the price on this model
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