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2020 GMC Sierra 3500HD Denali Specs

GMC Sierra 3500HD

2020 GMC Sierra 3500HD 4WD Crew Cab 159" Denali powered by 6.6-liter V8 Gas Engine with 6-Speed Automatic transmission.

Back to 2020 GMC Sierra 3500HD
Overview
Select configuration:
$64,900
Starting Price (MSRP)
Engine
6.6-liter V8 Gas
Transmission
6-Speed Automatic
Drivetrain
Four-Wheel Drive
Body Type
Truck
Seating capacity
5 seater
Trunk Volume
TBC
Fuel Economy
City: TBC
Hwy: TBC

Performance Specs

Engine and Transmission

  • Engine
    6.6-liter V8 Gas
    6.6-liter Turbo V8 Diesel (+$9,750)
  • Horsepower
    401 hp @ 5200 rpm
  • Torque
    464 lb-ft @ 4000 rpm
  • Transmission
    6-Speed Automatic
    10-Speed Automatic (Optional)
  • Drivetrain
    Four-Wheel Drive

Steering

  • Steering Type
    Pwr Recirculating Ball
  • Turning Diameter
    52.7 ft

Wheels

  • Front Wheel Size
    20" x 8.5"
  • Rear Wheel Size
    20" x 8.5"

Tires

  • Front Tire
    LT275/65R20
  • Rear Tire
    LT275/65R20
  • Spare Tire
    LT275/70R18

Fuel and MPG

Fuel Tank

  • Fuel Tank Capacity
    36 gallons

Dimensions and Measurement

Exterior Dimensions

  • Height
    80.87 in
  • Max Width
    81.85 in
  • Wheelbase
    158.94 in

Interior Space

  • Seating Capacity
    5 seater
  • Front Seat Leg Room
    44.53 in
  • Front Seat Headroom
    43.03 in
  • Front Seat Shoulder Room
    66.02 in
  • Front Seat Hip Room
    61.18 in
  • Rear Seat Leg Room
    43.4 in
  • Rear Seat Headroom
    40.12 in
  • Rear Seat Shoulder Room
    65.3 in
  • Rear Seat Hip Room
    60.24 in

Weight and Trailing

  • Maximum Trailering Capacity
    20,000 lbs

Colors and Materials

Standard Interior Materials

  • Dark Walnut/Dark Ash Grey, Forge Perforated leather-appointed seat trim
  • Jet Black, Forge Perforated leather-appointed seat trim

Features and Options

Infotainment

  • HD Radio
    Standard
  • Bluetooth Connection
    Standard
  • Hard Disk Drive Media Storage
    Not Available
  • Premium Sound System
    Standard
  • Satellite Radio
    Standard
  • Smart Device Integration
    Not Available
  • WiFi Hotspot
    Standard
  • Auxiliary Audio Input
    Standard
  • Entertainment System
    Not Available
  • MP3 Player
    Standard

Interior Trim

  • Bucket Seats
    Not Available
  • Cloth Seats
    Standard
  • Leather Seats
    Standard
  • Leather Steering Wheel
    Standard
  • Premium Synthetic Seats
    Standard
  • Vinyl Seats
    Standard
  • Woodgrain Interior Trim
    Not Available
  • Sun/Moonroof
    Optional

Comfort

  • Head-Up Display
    Optional
  • Navigation System
    Not Available
  • Steering Wheel Audio Controls
    Standard
  • Power Liftgate
    Not Available
  • Power Mirror(s)
    Standard
  • A/C
    Standard
  • Adaptive Cruise Control
    Not Available
  • Automatic Parking
    Not Available
  • Climate Control
    Standard
  • Cooled Front Seat(s)
    Standard
  • Cooled Rear Seat(s)
    Not Available
  • Cruise Control
    Standard
  • Hands-Free Liftgate
    Not Available
  • Heated Front Seat(s)
    Standard
  • Heated Rear Seat(s)
    Standard
  • Heated Steering Wheel
    Standard
  • Keyless Entry
    Standard
  • Multi-Zone A/C
    Standard
  • Power Driver Seat
    Standard
  • Power Passenger Seat
    Standard
  • Remote Engine Start
    Standard
  • Remote Trunk Release
    Not Available
  • Seat Memory
    Standard
  • Universal Garage Door Opener
    Standard
  • Seat-Massage
    Not Available
  • Rear A/C
    Not Available
  • Keyless Start
    Standard
  • Navigation from Telematics
    Not Available
  • Telematics
    Standard

Additional Packages

Denali Preferred Equipment Group

includes standard equipment

Denali Ultimate Package

$2,870

includes (CWM) Technology Package and (CF5) power sunroof *GROSS* Denali Ultimate Package Technology Package HD Surround Vision with Two Trailer View Camera Provisions1 Rear Camera Mirror1 Multi-color 15" Diagonal Head-Up Display1 Bed View Camera1 Sunroof

Gooseneck / 5th Wheel Package

$795

includes (Z6A) Gooseneck / 5th Wheel Prep Package. (Includes (UVN) Bed View Camera.) Gooseneck / 5th Wheel Package Gooseneck / 5th Wheel Prep Package Hitch platform to accept Gooseneck or Fifth-wheel hitch Hitch platform with tray to accept ball and stamped bed holes with caps installed Bed mounted 7-pin trailer harness Sierra includes trailer brake controller Sierra, SLE and SLT includes Spray-on bed liner SLT, AT4 and Denali includes Bed View Camera May require additional optional equipment

LPO, Cargo Convenience Package

$515

includes (S1O) console vault, LPO and (VBJ) rear under seat storage, LPO, (dealer-installed) Cargo Convenience Package Console vault Rear under seat storage May require additional optional equipment

LPO, GMC Protection Package

$370

includes (RIA) all-weather floor liner, LPO and (VQK) front and rear Black molded splash guards, LPO, (dealer-installed) (Replaces (B34) and (B35) carpeted floor mats. Not available with Dual Rear Wheels.) GMC Protection Package All-weather floor liner Front and rear Black molded splash guards

LPO, Hitch Package

$295

Gooseneck ball and chain tiedown kit with case, (dealer-installed) (Requires (CMT) Gooseneck / 5th Wheel Prep Package. Not available with (VBR) rubber bed mat, LPO.) Gooseneck Hitch Package Gooseneck ball Chain tiedown kit with case May require additional optional equipment

Snow Plow Prep Package

$150

includes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance (Includes (KW5) 220-amp alternator and is upgradeable to (KHF) Dual alternators (220-amp primary, 170- amp auxiliary). Not available with (F60) Heavy Duty Front Spring Package.) Snow Plow Prep Package Power feed to accommodate a backup and roof emergency light1 A single 220-amp alternator A high-capacity air filter and an auxiliary transmission oil cooler Heavy-duty front springs Under body skid plates to help protect the transfer case from debris May require additional optional equipment

Technology Package

$1,875

includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multi-color 15" Diagonal Head-Up Display (Included with (PEC) Denali Ultimate Package.) Technology Package HD Surround Vision1 Rear Camera Mirror1 Multi-color 15" Diagonal Head-Up Display1 Bed View Camera1 8" diagonal Digital Driver Information Center on SLT and AT4 May require additional optional equipment

Safety

Safety Features

  • Back-Up Camera
    Standard
  • Cross-Traffic Alert
    Standard
  • Rear Parking Aid
    Standard
  • Blind Spot Monitor
    Standard
  • Lane Departure Warning
    Standard
  • Lane Keeping Assist
    Not Available
  • ABS
    Standard
  • Night Vision
    Not Available
  • Tire Pressure Monitor
    Standard
  • Brake Assist
    Not Available
  • Stability Control
    Standard
  • Traction Control
    Standard

Airbags

  • Driver Air Bag
    Standard
  • Front Head Air Bag
    Standard
  • Front Side Air Bag
    Standard
  • Knee Air Bag
    Not Available
  • Passenger Air Bag
    Standard
  • Rear Head Air Bag
    Standard
  • Rear Side Air Bag
    Not Available
  • Seatbelt Air Bag
    Not Available

Warranty

Warranty Summary

  • Basic
    3 Years / 36,000 Miles
  • Corrosion
    3 Years / 36,000 Miles
  • Drivetrain Note
    HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
  • Drivetrain
    5 Years / 60,000 Miles
  • Maintenance Note
    1 Year/1 Visit
  • Roadside Assistance Note
    HD Duramax Diesel: 5 Years/100,000 Miles; Qualified Fleet Purchases: 5 Years/100,000 Miles
  • Roadside Assistance
    5 Years / 60,000 Miles
  • Rust-Through
    6 Years / 100,000 Miles