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2023 GMC Sierra 3500 review

Research, photos, specs, and expertise

GMC Sierra 3500 highlights

Customer rating

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RepairPal reliability rating

Mileage (EPA estimate)

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Pricing for current inventory

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All GMC Sierra 3500 years

What is new for the 2023 GMC Sierra 3500?

  • Panoramic Sunroof and Flex Fuel Vehicle features are now available as options on select trims.
  • The Pro trim now comes with Rear View Camera, Tow Hitch, Power Windows, Power Locks, and Turbo Diesel Engine as standard equipment.
  • The SLT trim now comes with Front Seat Heaters, Heated Steering Wheel, and 4WD/AWD as standard equipment.
  • The AT4 trim now comes with Rear Seat Heaters as standard equipment.

2023 GMC Sierra 3500 trims

Curious how GMC Sierra 3500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Pro:

  • 401-hp, 464-lb-ft of torque 6.6L
  • 445-hp, 910-lb-ft of torque 6.6L
  • Overhead Airbags
  • Traction Control
  • Side Airbags
  • Rear View Camera
  • Vinyl Seats
  • Tow Hitch
  • 4WD/AWD
  • Automatic Transmission
  • View our GMC Sierra 3500 Pro inventory

SLE:

SLT:

  • Includes all features available on the SLE
  • Power Seats
  • Smart Key
  • Front Seat Heaters
  • Remote Start
  • Leather Seats
  • Rear Defroster
  • Memory Seats
  • Heated Steering Wheel
  • View our GMC Sierra 3500 SLT inventory

AT4:

  • Includes all features available on the SLT
  • A/C Seats
  • Rear Seat Heaters
  • Bed Liner

Denali:

  • Includes all features available on the AT4
  • Parking Sensors
  • Blind Spot Monitor
  • Lane Departure Warning
  • Running Boards
  • 20 Inch Plus Wheels
  • Navigation System
  • BOSE Sound System
  • View our GMC Sierra 3500 Denali inventory

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.

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Ratings & reliability

Customer ratings

The 2023 GMC Sierra 3500 is not yet rated. Help future customers learn about a car you've owned and write a review.

RepairPal reliability rating

3
Average

RepairPal gave the GMC Sierra 3500 an overall reliability rating of 3 out of 5 stars, which RepairPal describes as Average. This rating ranks GMC Sierra 3500 14th out of 19 among Fullsize Trucks.

View RepairPal's full rating of the GMC Sierra 3500

GMC Sierra 3500 features and specs

Curious how GMC Sierra 3500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

SLE 2WD 2D Regular Cab

Standard Features

  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Android Auto
  • Apple CarPlay
  • Automatic Transmission
  • Auxiliary Audio Input
  • Bluetooth Technology
  • Cloth Seats
  • Cruise Control
  • Long Bed
  • Overhead Airbags
  • Power Locks
  • Power Mirrors
  • Power Windows
  • Rear View Camera
  • Satellite Radio Ready
  • Side Airbags
  • Tow Hitch
  • Traction Control

Optional Features

  • 20 Inch Plus Wheels
  • Bed Cover
  • Bed Liner
  • Blind Spot Monitor
  • Dual Rear Wheels
  • Fifth Wheel Tow Hitch
  • Flex Fuel Vehicle
  • Front Seat Heaters
  • Gooseneck Tow Hitch
  • Heated Steering Wheel
  • Kicker Speaker System
  • Lane Departure Warning
  • Long Bed
  • Parking Sensors
  • Power Mirrors
  • Power Seat(s)
  • Rear Defroster
  • Remote Start
  • Running Boards
  • Satellite Radio Ready

Drive Wheels

Rear Wheel Drive (2WD)

Engine size

6.6L

Horsepower

401

Torque (ft-lbs)

464

Engine type

Gas

Fuel capacity

36

Wheelbase

141.55"

Overall length

235.5"

Width

81.75"

Height

80.94"

Leg room

F 44.53"

Head room

F 43.11"

Front tires

LT275/70R18

Rear tires

LT275/70R18

Seating capacity

3

Max towing capacity

1450/20000 lbs.

Transmission

Automatic

2023 GMC Sierra 3500 FAQ

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