The Sierra HD comes in one of several different body styles with long and short bed options. However, despite this complexity there are only two available engines, both V8 units displacing 6.6 liters. The gasoline option is paired to a 6-speed automatic and makes 401 horsepower and 464 lb-ft of torque. The more expensive diesel engine is aided by a turbocharger and makes 445 horsepower and a massive 910 lb-ft of torque. Unlike the gasoline engine, the diesel is mated to a 10-speed automatic to handle all that torque. When properly equipped, a Sierra HD 3500 should be able to tow up to 35,000lbs with a 5th wheel attachment, or 20,000 lbs with a traditional trailer hitch, thanks in large part to the massive torque produced by its diesel V8. Sierra HD models are available with either rear-wheel drive of selectable four-wheel drive.

The Sierra HD comes in either 2500 form or 3500 form with 3500 versions offering a bit more towing capacity and payload because they can be optioned with a "dually" setup, giving the truck an extra pair of wheels on the rear axle. Both trucks can be optioned with a regular cab, a double cab featuring four conventional doors, or a crew cab with even bigger rear seats. Truck beds are either 6'9" or 8' depending on configuration, though the only restriction to bed size is in the regular cab version, which always comes with the longer bed.

In addition to copious options for the basic architecture of the truck, Sierra buyers are also offered plenty of choices when it comes to the tech in their new vehicle. GMC's ProGrade Trailering system features fifteen camera views to help keep an eye on things behind the truck, even counting a class exclusive transparent trailer view among its features. The available heads up display on the Sierra HD is massive, measuring 15-inches across, while the rear-view mirror can be switched between displaying an actual mirror and the view from the rearward facing camera. GM claims their MultiPro tailgate is the world's first six-function tailgate. In practice that means it's easy to load things into and out of the back of the truck, while also providing a ton of utility options for carrying loads with the tailgate dropped. It also has a built-in step to make it easier to climb in and out of the bed of the truck.

Concentrating on off-roading capabilities, 4AT models come standard with four-wheel drive along with a more off-road biased suspension setup that includes Rancho Shocks. Other standard features on the 4AT include skid plates, an Eaton locking differential, Michelin all-terrain tires, a heads-up display, GMC's HD Surround Vision camera system, hill descent control and an off road mode.

Most buyers though, will probably opt for the Denali version of the Sierra HD. Available in both 2500 and 3500 forms, Denali versions of the Sierra HD come standard with the bigger crew cab, body colored front and rear bumpers, LED lights in the cargo bed, tinted glass, LED headlights, daytime running, front fog and taillights, powered external mirrors, a MultiPro tailgate, UltraSonic front and rear parking sensors, Lane Departure Warning, Lane Change Alert with Automatic Braking, Rear Cross-Traffic Alert, Following Distance Indicator and Hill Descent Control (HDC).

The Denali Interior features include, 4G LTE Wi-Fi, Bluetooth and Apple CarPlay\Android Auto connectivity, an 8-inch infotainment screen and an 8-inch digital instrument cluster, an 8 speaker Richbass sound system, dual-zone climate control, heated front and rear seats, vented front seats, a heated steering wheel, keyless start and wireless device charging.

Towing Capacity

Interior Space

Well Thought Out Technology

Available Off-road Equipment

Powerful Engine Options

Upscale Denali Edition

For 2023, the Sierra HD carries over with minimal changes.

The GMC Sierra HD competes with the RAM 2500 and 3500 as well as the Ford F-250 and F-350. The Sierra costs a bit more than its competitors, but it comes with a bigger and more powerful engine than the Ford, while the Dodge is significantly cheaper for the stripped down "Tradesman" trim level. In addition to its robustness, the Sierra comes with a ton of tech to make trailering easier, including an available camera system that utilizes no fewer than fifteen cameras. Meanwhile, those who want all that functionality with a good dose of comfort, will find no better truck than the upscale Denali versions of the Sierra HD.

AT4 Preferred Package

AT4 Premium Plus Package

Driver Alert Package I

Driver Alert Package II

Gooseneck/5th Wheel Package

Gooseneck/5th Wheel Prep Package

Preferred Equipment Group 4SB

Technology Package

X31 Off-Road Package

6 Speakers

6-Speaker Audio System Feature

AM/FM radio: SiriusXM with 360L

Bose Premium 7 Speaker Sound System

Premium audio system: Premium GMC Infotainment System

Radio: AM/FM w/Prem GMC Infotainment System & Navi

Radio: AM/FM w/Premium GMC Infotainment System

SiriusXM w/360L

Steering Wheel Audio Controls

Air Conditioning

Automatic temperature control

Electric Rear-Window Defogger

Front dual zone A/C

Rear window defroster

12-Volt Rear Auxiliary Power Outlet

120-Volt Bed Mounted Power Outlet

120-Volt Instrument Panel Power Outlet

Driver Memory

Power driver seat

Power steering

Power windows

Power Windows w/Driver Express Up/Down

Remote keyless entry

Remote Vehicle Starter System

Steering wheel mounted audio controls

Universal Home Remote

Manual Tilt-Wheel/Telescoping Steering Column

Off-Road Suspension

Speed-sensing steering

Traction control

4-Wheel Disc Brakes

ABS brakes

Dual front impact airbags

Dual front side impact airbags

Electrical Lock Control Steering Column

Emergency communication system: OnStar and GMC connected services capable

Front anti-roll bar

Front wheel independent suspension

Keyless Open & Start

Low tire pressure warning

Occupant sensing airbag

Overhead airbag

Power Door Locks

Power Sunroof

Pickup Box

Brake assist

Electronic Stability Control

Lane Departure Warning System

Hill Descent Control

Delay-off headlights

Front fog lights

Fully automatic headlights

3 Years of OnStar & Connected Services Plan (DISC)

Panic alarm

Security system

Unauthorized Entry Theft-Deterrent System

Speed control

2-Speed Active Transfer Case

Dual 220-Amps Primary/170-Amps Aux Alternators

Engine Block Heater

Exhaust Brake

Heavy-Duty 80 Amp Battery

High Idle Switch

Auto-dimming door mirrors

Bumpers: body-color

Heated door mirrors

IntelliBeam Automatic High Beam On/Off

LED Cargo Area Lighting

LED Smoked Amber Roof Marker Lamps

Off-Road High Clearance Step (LPO)

Painted Black Surround Grille

Power heated door mirrors

Power-Retractable Black Assist Steps

Rear step bumper

Rear Wheelhouse Liners

Spray-On Pickup Box Bed Liner w/AT4 Logo

Turn signal indicator mirrors

Winter Grille Cover

2 USB Ports

2 USB Ports (1st Row)

2nd Row Dual USB Charge-Only Ports

4.2" Diagonal Color Display Driver Info Center

8" Driver Information Center

Apple CarPlay/Android Auto

Auto-dimming Rear-View mirror

Automatic Emergency Braking

Bed View Camera w/2 Trailer Camera Provisions

Compass

Compass Located In Instrument Cluster

Driver door bin

Driver vanity mirror

Floor-Mounted Center Console

Following Distance Indicator

Forward Collision Alert

Front Prem Floor Liners w/Removable Carpet Insert

Front reading lights

GMC Connected Access Capable

HD Rear Vision Camera

HD Surround Vision w/2 Trailer View Camera Provisions

Heated steering wheel

Illuminated entry

Inside Rearview Auto-Dimming Rear Camera Mirror

Lane Change Alert w/Side Blind Zone Alert

Multicolor 15" Diagonal Head-Up Display

OnStar & GMC Connected Services Capable

Outside temperature display

Overhead console

Passenger vanity mirror

Rear Cross Traffic Alert

Rear Prem Floor Liners w/Removable Carpet Insert

Rear reading lights

Rear seat center armrest

Tachometer

Telescoping steering wheel

Tilt steering wheel

Trip computer

Ultrasonic Front & Rear Park Assist

Voltmeter

Wi-Fi Hotspot Capable

Wireless Charging

Wireless Phone Projection

10-Way Power Driver Seat Adjuster w/Lumbar

10-Way Power Passenger Seat Adjuster w/Lumbar

Front Bucket Seats

Front Center Armrest

Heated & Ventilated Front Bucket Seats

Heated 2nd Row Outboard Seats

Heated Driver & Front Outboard Passenger Seats

Heated front seats

Heated rear seats

Perforated Leather-Appointed Front Seat Trim

Power passenger seat

Rear Underseat Storage (LPO)

Safety Alert Seat

Split folding rear seat

Ventilated front seats

Passenger door bin

Hitch Guidance w/Hitch View

In-Vehicle Trailering System App

Integrated Trailer Brake Controller

Red Recovery Hooks

18" Machined Aluminum Wheels

20" Machined Aluminum Wheels

Alloy wheels

Deep-Tinted Glass

Power Front Passenger Windows w/Express Up/Down

Power Rear Windows w/Express Down

Power Sliding Rear Window w/Defogger

Variably intermittent wipers

3.42 Axle Ratio

3.73 Rear Axle Ratio

Getting financed with us is fast and fun. Whether you’ve always enjoyed a sterling credit history, are currently working on improving your credit score even more, or this is your first time buying a car, you can count on the friendly experts at Shoreline Hyundai to make the whole process transparent and easy to understand. To learn more and get the ball rolling on the right loan for your unique financial situation, call 860-577- 6033 or apply online now.

Easy and relaxed. Our primary goal is your total satisfaction, so we provide you with as much time and expert insight as you need to properly consider all of your loan options. This commitment to friendly, honest, and fair service is truly a breath of fresh air and ensures that you drive away happy, satisfied, and behind the wheel of the vehicle you've always wanted.

Great question. Securing a competitive loan from Shoreline Hyundai takes only three easy steps. First up is to either apply online for pre-approval via our quick and convenient online credit application or call 860-577- 6033. From here, one of our financing experts will connect with you to go over the details of your loan offers and ensure that you have everything you need to make a smart and informed decision.

After reviewing your proposed loan terms and consulting with our financial advisors and your trusted personal confidants (friends, family members, etc.), there is only one step left: Finalizing the perfect loan for you via a simple and respectful process. By following these three short steps, you can make the most of the best loan experience here in Old Saybrook.

The answer to this question includes a variety of factors, such as:

Your car's purchase price
Your trade in and equity position
If the vehicle you are purchasing is new or used
The length of your existing loan's life
Your current credit score
How much you are choosing to invest in a down payment

People from all around Old Saybrook come to purchase a clean car, truck, or SUV from our used car lot each and every day. Most loans prepared by our team are entirely unique, so the factors that will shape your bank loan will depend on your specific situation, desires, and needs.

Our expert financial professionals are happy to find and present lots of great offers to ensure that you are in complete control and that you are receiving the best deal possible on the loan you need. Our customers make great and informed decisions based on all of their available options thanks to a perfectly transparent process that we take seriously.

Any of our amazing specialists will be more than happy to help you get the ball rolling on your dream car. All you have to do is dial 860-577- 6033 when you have a few free moments and you'll soon see that getting approved for a car loan at Shoreline Hyundai is quick, easy, and convenient.

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Used 2023 GMC Sierra 2500HD AT4

Used 2023 GMC Sierra 2500HD AT4

Detailed Pricing

Located at Cargill Chevrolet

Shoreline Hyundai

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