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2018 GMC Sierra Denali
VIN
3GTU2PEJ4JG514873
This 2018 GMC Sierra Denali is listed at $30,995 with 100,977 miles in Waukesha, WI.
ABOVE TYPICAL
$1,000 above typical price
Asking $30,995 · typical market price $29,995 · based on 196 comparable same-build listings.
Market Price Range
Below market
$23,841
Typical price
$29,995
Above market
$36,823
Based on
196
comparable same-build listings.
This vehicle:
$30,995 — $1,000 above the typical market price ($29,995)
Market data as of August 16, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 6.2L · 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
Safety & ownership
EPA fuel economy (MPG)
City
18
Highway
24
Combined
20
Est. fuel cost:
$2,330/year
Assumes 15,000 miles a year at $3.10/gallon and 20 MPG combined.
Model-level data for the 2018 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 |
|---|---|---|---|---|
| Boucher Buick GMC of Waukesha | Waukesha, WI 53186 | $30,995 | 100,977 mi | 2026-08-11 |
| Boucher Buick GMC | Waukesha, WI 53186 | $30,995 | 100,977 mi | 2026-08-11 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Boucher Buick GMC | Waukesha, WI 53186 | $30,995 | 100,976 mi | 2026-08-11 |
| Boucher Buick GMC of Waukesha | Waukesha, WI 53186 | $30,995 | 100,976 mi | 2026-08-11 |
What would this 2018 GMC Sierra Denali cost per month?
Estimate the monthly payment on a $30,995 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
$552
per month
60 months · 7.0% APR · $3,100 down
Amount financed
$27,895
Total interest
$5,225
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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