Buick GMC Showroom

All of your favorite models are all in one place. That is the key to finding your next new car at Brustolon Buick GMC. Before you even visit our team in Mystic, CT, we give you a first glance at the popular models that make our lineup one of the finest around. Discover the latest innovations from Buick and GMC as you set out to upgrade the way you look and feel as you perform your daily routines. Our Digital Showroom allows you to see our latest offerings in a way that makes shopping a breeze for you.

2023 GMC Sierra 3500 HD Truck Overview

The standard features of the GMC Sierra 3500HD Pro include 6.6L V-8 401hp engine, 6-speed automatic transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, curtain 1st row overhead airbag, airbag occupancy sensor, air conditioning, 18" steel wheels, ABS and driveline traction control, StabiliTrak w/Proactive Roll Avoidance electronic stability, AM/FM/Satellite-prep with 2 speakers.

2023 GMC
Sierra 3500 HD Truck

Starting at: $43,400

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Specifications

  • Rear cargo - tailgate
  • Bumpers - chrome
  • Rear step bumper
  • Trailer hitch receiver
  • Trailer sway control
  • Engine liters - 6.6L
  • Compressor - Not Available
  • Cylinder configuration - V-8
  • Horsepower - 401hp @ 5,200RPM
  • Torque - 464 lb.-ft. @ 4,000RPM
  • Number of valves - 16
  • Variable valve control
  • Engine location - front
  • Recommended fuel - Regular Unleaded
  • Transmission - 6 speed automatic
  • Mode select transmission
  • Manual-shift auto
  • Drive type - rear-wheel
  • Fuel tank capacity - 36.0gal.
  • Rear locking differential
  • Standard fuel economy fuel type - gasoline
  • Hybrid traction battery type - none
  • Basic warranty - 36 months/36,000miles
  • Powertrain warranty - 60 months/60,000miles
  • Corrosion perforation warranty - 72 months/100,000miles
  • Roadside assistance coverage - 60 months/60,000miles
  • Maintenance warranty - 12 months/ unlimited distance
  • Front wheel independent suspension
  • Front anti-roll bar
  • Power steering
  • Front tires - 275/70SR18.0E
  • Rear tires - 275/70SR18.0E
  • Single rear wheels
  • Wheel size - 18"
  • Tires - all-terrain
  • Engine horsepower - 401hp @ 5,200RPM
  • Engine torque - 464 lb.-ft. @ 4,000RPM
  • Engine bore x stroke - 103.3mm x 98.0mm (4.07" x 3.86")
  • Compression ratio - 10.80 to 1
  • Payload - 2,033kg (4,481lbs)
  • Curb weight - 2,826kg (6,231lbs)
  • GVWR - 4,876kg (10,750lbs)
  • Towing capacity - 6,577kg (14,500lbs)
  • Exterior length - 5,982mm (235.5")
  • Exterior body width - 2,076mm (81.8")
  • Exterior height - 2,056mm (80.9")
  • Wheelbase - 3,595mm (141.6")
  • Turning radius - 7.1m (23.5')
  • Front legroom - 1,131mm (44.5")
  • Front headroom - 1,095mm (43.1")
  • Front hiproom - 1,547mm (60.9")
  • Front shoulder room - 1,678mm (66.1")
  • AM/FM radio
  • Premium audio system - GMC Infotainment System
  • Speakers - 2
  • Wireless phone connectivity - Bluetooth
  • 1st row LCD monitors - 1
  • Primary LCD size - 7.0"
  • Smart device integration - Apple CarPlay/Android Auto
  • Fully automatic headlights
  • Delay-off headlights
  • Variably intermittent wipers
  • Front reading lights
  • Appearance - analog
  • Tachometer
  • Voltmeter
  • Oil pressure gauge
  • Outside temperature display
  • Low tire pressure warning
  • Trip computer
  • Exterior parking camera rear - Rear Vision Camera yes
  • 4 wheel disc brakes
  • ABS brakes
  • Brake assist
  • Dual front impact airbags
  • Dual front side impact airbags
  • Overhead airbag
  • Occupant sensing airbag
  • Ignition disable
  • Electronic stability
  • Traction control
  • Max seating capacity - 3
  • Front seats - bench
  • Front center armrest - w/storage
  • Seat Upholstery - vinyl
  • Ground clearance (min) - 285mm (11.2")
  • Air conditioning
  • Tilt steering wheel
  • Passenger vanity mirror
  • Front beverage holders
  • Overhead console
  • Driver door bin
  • Passenger door bin

Trims

  MSRP Engine Transmission City/Hwy mpg
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $43,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $44,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $46,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $46,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $47,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $47,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $47,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $48,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $49,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $49,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $50,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $50,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $50,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $50,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $51,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Pro 2023 GMC Sierra 3500 HD Truck Pro Search New $52,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $52,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $53,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $53,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $54,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $54,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $54,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $55,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $55,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $56,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $56,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $57,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLE 2023 GMC Sierra 3500 HD Truck SLE Search New $58,200   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $61,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $61,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $63,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $64,400   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $64,600   401-hp 6.6L 8-cyl  6-spd auto  No Data  
SLT 2023 GMC Sierra 3500 HD Truck SLT Search New $65,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
AT4 2023 GMC Sierra 3500 HD Truck AT4 Search New $67,800   401-hp 6.6L 8-cyl  6-spd auto  No Data  
AT4 2023 GMC Sierra 3500 HD Truck AT4 Search New $68,000   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Denali 2023 GMC Sierra 3500 HD Truck Denali Search New $74,300   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Denali 2023 GMC Sierra 3500 HD Truck Denali Search New $74,500   401-hp 6.6L 8-cyl  6-spd auto  No Data  
Denali 2023 GMC Sierra 3500 HD Truck Denali Search New $75,700   401-hp 6.6L 8-cyl  6-spd auto  No Data  

Buick & GMC SUVs

When you get behind the wheel of a new SUV or crossover, you want something that can project your level of confidence. The roster of SUVs at Brustolon Buick GMC can get you from the Aquarium to the Casino in style. Models like the Buick Envision or the Buick Encore are elegant and peppy as you tackle your daily commute. The entire family will love every vacation when they climb inside the spacious and sophisticated Buick Enclave.

When it comes to getting more out of your drive, the GMC lineup of crossovers is here for you. The GMC Terrain and Acadia provide plenty of room for even your tallest passengers as you enjoy a smooth and efficient commute through Connecticut. If personal space is something you value, the three rows of the GMC Yukon have plenty of room to stretch out as you power through your family time.

GMC Trucks & Vans

Nothing helps you accomplish more than a truck. And the GMC roster is loaded with plenty of capability. The GMC Sierra 1500 sets the stage with its impressive ability to tow nearly 12,000 pounds across town in a roomy and technologically advanced cabin. More heavy hitters fill the lineup with the Sierra 2500 HD and Sierra 3500 HD providing even more capability and versatility, both at home and at the worksite.

GMC makes hauling easy with the Savana lineup. Take your pick from a series of cargo vans or Savana Cutaway trucks, allowing you to carry everything from catering dishes to concrete and rebar. The GMC Savana may be just what your company is missing, helping you become more efficient in the workplace.

The popular Hummer series makes a triumphant comeback at Brustolon Buick GMC, but not like any Hummer you've seen before. The all-new Hummer EV truck is set to redefine the way you think about your pickup. It effortlessly blends modern beauty with an advanced powertrain to give you a remarkable driving experience you have yet to encounter.

Let us help make your next dream vehicle a reality. Talk to our friendly financing specialists to land great rates on the Buick or GMC model you deserve. Browse through our digital showroom and discover the model that fits your needs best. And you are another step closer to taking home the new car you have always wanted.


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Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone