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GMC Sierra 3500HD Diesel

GMC Sierra 3500HD Diesel

$96,700
Brand: GMC
Category: Car's
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Available Official

Fuel Type Diesel
Engine Power 470 hp
Seat 5 seats
Top Speed 177 km/h
Transmission automatic

Full Specifications

Overview

Models Car models are the different versions or designs of cars made by a manufacturer, each with unique features, styles, and configurations.	Ultimate Denali
Year typically refers to the model year of a vehicle, which indicates its design and production cycle rather than the actual manufacturing date.	2025
Drive Type A car's drive type refers to which wheels receive power from the engine. For example, front-wheel drive (FWD) powers the front wheels, rear-wheel drive (RWD) powers the rear, and all-wheel drive (AWD) or four-wheel drive (4WD) power all four wheels.	four wheel drive
Total Seating Car total seating refers to the maximum number of passengers a car can accommodate, including the driver.	5
Bed length	82.2 in.
Curb Weight Car curb weight is the weight of a vehicle with all standard equipment, fluids, and a full tank of fuel, but without passengers or cargo.	8,333 lbs.
Basic Warranty A Basic Warranty is a manufacturer’s promise to repair or replace parts of a product if they prove defective within a specified period.	3 yr./ 36,000 mi.
Towing Capacity	20,000 lbs.
Payload Capacity	3,729 lbs.
Dealerships Car dealerships are businesses that sell new or used vehicles directly to consumers, often providing financing, trade-ins, and maintenance services.	Tampa, FL 33614, United States

Fuel & MPG / Battery & Range

Fuel type Fuel type refers to the kind of energy source used to power an engine or appliance, such as gasoline, diesel, electricity, or alternative fuels.	Diesel fuel
Range in miles (city/hwy) Car range refers to the distance a vehicle can travel on a full tank of fuel (or a full battery charge) and is usually measured separately for city driving—which often gives a lower range due to stop-and-go traffic—and highway driving, where steady speeds generally result in a higher range.	0/0 mi.
Fuel tank capacity A car's fuel tank capacity is the maximum amount of fuel it can hold, usually measured in liters or gallons.	36.0 gal.

Engine

Base engine size The car’s base engine size usually refers to its engine displacement, which is the total volume of all the cylinders (measured in liters or cubic centimeters).	6.6 L
Cylinders Car cylinders are the chambers in an engine where the combustion of fuel occurs, driving pistons to create mechanical power.	V8
Base engine type A car’s base engine type refers to its fundamental design—typically the configuration (like inline, V-type, or boxer) and the fuel it uses (gasoline, diesel, etc.).	Diesel
Horsepower Car horsepower is a unit of power that measures how much work an engine can perform, with one horsepower roughly equal to 746 watts.	470 hp @ 2,800 rpm
Torque Car torque is a measure of the engine's twisting force, indicating its ability to accelerate the vehicle and overcome resistance.	975 lb-ft @ 1,600 rpm
Valves Car valves are engine components that control the intake of air and fuel and the exhaust of combustion gases.	32
Cam type generally refers to the configuration of an engine’s camshaft(s). For example, engines can have a single overhead cam (SOHC) or dual overhead cam (DOHC) layout, each affecting valve timing and engine performance differently.	Overhead valves (OHV)
Direct injection Direct injection is a fuel system that injects fuel directly into the engine’s combustion chamber, which improves efficiency, power, and fuel economy.	Standard

Towing & Hauling

Max Towing Capacity	20,000 lbs
Max Payload Capacity	3,729 lbs.

Drivetrain

Transmission A car transmission is the system that transfers power from the engine to the wheels, using different gear ratios to control speed and torque.	10-speed shiftable automatic
Drive Type A car's drive type refers to which wheels receive power from the engine. For example, front-wheel drive (FWD) powers the front wheels, rear-wheel drive (RWD) powers the rear, and all-wheel drive (AWD) or four-wheel drive (4WD) power all four wheels.	Four wheel drive

Suspension

Four-wheel independent suspension	Standard
Front and rear stabilizer bar	Standard

Dimensions

Length	250.8 in.
Overall width with mirrors	81.9 in.
Height	Standard
Wheelbase A car's wheelbase is the distance between the centers of its front and rear wheels.	159.0 in.
Maximum payload	3,729 lbs.
Turning circle The car turning circle is the smallest circular path a vehicle can complete, reflecting its maneuverability.	52.7 ft.
Ground clearance he distance from the lowest part of the car to the ground. This measurement is important because it determines how well a car can handle rough or uneven terrain.	11.2 in.
Gross weight Car gross weight is the total weight of the vehicle including passengers, cargo, fuel, and all additional equipment.	12,100 lbs.
Country of final assembly A car’s country of final assembly is the nation where the vehicle is put together into its final form, regardless of where its parts were produced.	United States

Front Seat Dimensions

Front head room	43.0 in.
Front leg room	44.5 in.
Front shoulder room	66.0 in.
Front hip room	61.2 in.
Bucket front seats	Standard
8-way power driver seat	Standard
Driver seat with power adjustable lumbar support	Standard
2 memorized driver seat settings	Standard
6-way power passenger seat	Standard
Height adjustable passenger seat	Standard
Passenger seat with power adjustable lumbar support	Standard
Multi-level heated driver seat	Standard
Multi-level heated passenger seat	Standard

Rear Seat Dimensions

Rear head room	40.1 in.
Rear leg room	43.4 in.
Rear shoulder room	65.3 in.
Rear hip room	60.2 in.
Split-folding rear seatback	Standard

In-Car Entertainment

Display size	13.4"
AM/FM stereo	Standard
Android Auto/Apple CarPlay	Standard
USB connection	Standard
USB with external media control	Standard
Satellite radio satellite radio	Standard
3 months of provided satellite radio service	Standard

Power Feature

4 one-touch power windows	Standard
Hands-free entry	Standard
Reverse tilt dual mirrors provides curb view when vehicle in reverse	Standard
Heated mirrors	Standard

Instrumentation

Trip computer	Standard
Compass	Standard
Tachometer	Standard
External temperature display	Standard
Clock	Standard

Tires & Wheels

Painted alloy wheels	Standard
Tires Size	LT275/65R20
Wheels Size	20
Fullsize matching spare tire	Standard
Underbody mounted spare tire	Standard

Telematics

Emergency Service	Standard
Airbag Deployment Notification	Standard
Vehicle Alarm notification	Standard
Stolen Vehicle Tracking/Assistance	Standard
Roadside Assistance	Standard
Mobile Internet (Browser)	Standard

Warranty

Basic	3 yr./ 36,000 mi
Drivetrain	5 yr./ 100,000 mi
Rust	5 yr./ 60,000 mi.

Disclaimer

We do not guarantee that the information of this page is 100% accurate and up to date. Learn more...

Our Rating

The overall rating is based on review by our experts

4.4

Design 4 / 10
Engine 5 / 10
Exterior Equipment 4 / 10
GPS 4 / 10
Performance 4 / 10
Price 5 / 10
Technology 5 / 10

PROS

A 6.6-liter diesel V8 paired with a 10-speed automatic transmission provides strong acceleration and efficient power delivery

CONS

Official city and highway fuel range figures may vary and are not always listed for heavy-duty diesel trucks.

The 2025 GMC Sierra 3500HD Diesel Denali Ultimate heavy-duty diesel pickup delivers serious capability with a powerful 6.6-liter V8 engine producing 470 horsepower and an impressive 975 lb-ft of torque. Paired with a smooth 10-speed automatic transmission and four-wheel drive, this five-seat truck is designed for both rugged performance and premium comfort.

Your question is: GMC Sierra 3500HD Diesel Denali Ultimate?

Which question will you have about this car? Let’s justify these. There, we are including the major questions and answers about this car. So, let’s start now.

What engine does the 2025 Ultimate Denali diesel truck use?

It uses a 6.6-liter V8 turbo-diesel engine that produces 470 horsepower and 975 lb-ft of torque, designed for strong towing and hauling performance.

What is the maximum towing capacity?

The truck can tow up to 20,000 pounds when properly equipped, making it suitable for large trailers, campers, and heavy work equipment.

How many people can it seat?

It has seating for five passengers, offering a spacious cabin suitable for both work crews and families.

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