HomeIdahoGMCSierra 3500HD

2015 GMC Sierra 3500HD

Pro · Extended Cab · Idaho Falls, Idaho

$13,239
90,921 mi · VIN B7D100B9FAA32D108
4WD Gasoline 15 mpg combined Tow 34,920 lb
Year2015
BrandGMC
ModelSierra 3500HD
TrimPro
BodyExtended Cab
Drivetrain4WD
Engine6.6L L8T V8 Gas
Transmission9-Speed Automatic
FuelGasoline
MPG (combined)15 mpg
City / Highway12 / 18 mpg
Bed length6'5" Standard Bed
Towing capacity34,920 lb
Payload capacity6,400 lb
Exterior colorQuicksand
Interior colorSlate Cloth
Owners on record3
TitleClean

Condition notes

Tires rated at 77% remaining. Brake pads measured at 54%. Most recent oil service performed within the last 3,000 miles. Carfax available upon request.

Vehicle overview

This 2015 GMC Sierra 3500HD Pro is located in Idaho Falls, Idaho. The truck is configured as a Extended Cab with 4WD and the 6.6L L8T V8 Gas, paired to a 9-Speed Automatic. Maximum trailer rating for this configuration is approximately 34,920 lb with a payload capacity of roughly 6,400 lb.

Asking price is $13,239 against an odometer reading of 90,921 miles. EPA combined fuel economy for this powertrain is rated at 15 mpg (12 city / 18 highway), which puts the estimated annual fuel cost at roughly $3,500 assuming 15,000 miles per year and a national average fuel price of $3.50 per gallon (current EIA rates).

Cosmetically the truck is finished in Quicksand over a Slate Cloth interior. Owner history shows 3 prior registered owners with a Clean title. Buyers serious about this listing should request an independent pre-purchase inspection through any local mechanic — Diesel Stops recommends this for every used pickup purchase regardless of price point or apparent condition.

Quick math

Estimated annual fuel cost (15,000 mi @ $3.50/gal):
$3,500

Static estimate — see live fuel prices

Cost per mile remaining (200k lifespan):
$0.12

Years on the road since new:
11

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More about this model

Dive into the full model page or the model-year detail page for towing/payload tables, common issues, and used market value ranges.