2024
2023

2023 SIERRA HD DENALI 2023 SIERRA HD DENALI

BUILD & PRICE

MODEL OVERVIEW
TRIM DETAILS
FEATURES
GALLERY
SPECS
ACCESSORIES

MODEL OVERVIEW
TRIM DETAILS
FEATURES
GALLERY
SPECS
ACCESSORIES

2023
SIERRA
HD DENALI

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2023 SIERRA
HD DENALI

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2022 Sierra HD Denali towing and driving on the road.

UP TO

15 AVAILABLE CAMERA VIEWS^†

WORLD'S FIRST SIX-FUNCTION

MULTIPRO^™ TAILGATE

FIRST HD IN ITS CLASS^† WITH AVAILABLE

ALLISON^®† 10-SPEED TRANSMISSION

FIRST HD IN ITS CLASS^† WITH AVAILABLE

HEAD-UP DISPLAY & REAR CAMERA MIRROR^†

BEST-IN-CLASS^†

HD CARGO BED VOLUME

BEST-IN-CLASS^†

MORE CREW CAB
FRONT HEAD & LEG
ROOM THAN ANY COMPETITOR

INDUSTRY-FIRST^† AVAILABLE

TRANSPARENT TRAILER VIEW^†

STARTING AT:

AVAILABLE MAX TOWING UP TO

14,057 KG
(30,990 LB.)^†

AVAILABLE MAX PAYLOAD UP TO

2891 KG
(6374 LB.)^†

MAX TORQUE UP TO

910 LB.-FT.^†

TOTAL CREDITS

^†

(Change)

FEATURE HIGHLIGHTS

2023 GMC Sierra HD Denali towing and cruising on the road.

BUILT STRONG TO TOW STRONG

Sierra HD Denali was built strong so you can tow strong — with its large drive shaft and rear axle, the power of the available Allison^®† 10-speed automatic transmission, the first in a heavy-duty truck in its class, and available 6.6L Duramax^®Turbo-Diesel V8 engine is maximized so you can tow with command and control.

MORE CAPABILITY FEATURES

2023 GMC Sierra HD Denali tow smart technology.

TECHNOLOGY TO TOW SMART

Available technologies, such as up to 15 available camera views^† and the 15" diagonal Head-Up Display let Denali drivers tow smarter, not harder.

MORE TECHNOLOGY & SAFETY FEATURES

2023 Sierra HD Denali driving on the road.

PURPOSE-BUILT EXTERIOR

Denali’s eye-catching exterior features many exclusives that help give the vehicle its signature look: Signature Denali grille with chrome inserts, 6" chrome Assist Steps, chrome Vertical Front Recovery Hooks,^† standard 20" Multi-Dimensional Polished Aluminum Wheels and more.

MORE EXTERIOR FEATURES

EXCLUSIVE PREMIUM INTERIOR

The spacious, comfortable cabin features innovative driver-centric technologies, premium materials, such as authentic open-pore ash wood, brushed aluminum trim, chrome accents, and a ton of Denali exclusives: premium interior colours, Forge perforated leather seating surfaces with front heated and ventilated bucket seats and more.

MORE INTERIOR FEATURES

DENALI CAPABILITY HIGHLIGHTS

2023 Sierra HD Denali towing and cruising on the road.

HIGH-STRENGTH CHASSIS AND SUSPENSION

AVAILABLE 6.6L DURAMAX^® TURBO-DIESEL V8 ENGINE

ENHANCED BRAKING CAPABILITY

AVAILABLE ALLISON^® 10-SPEED AUTOMATIC TRANSMISSION

2-SPEED AUTOTRAC^TM TRANSFER CASE

AVAILABLE ALLISON^® 10-SPEED AUTOMATIC TRANSMISSION

2023 GMC Sierra HD Denali driving on the road.

HIGH-STRENGTH CHASSIS AND SUSPENSION

The strong chassis, suspension and wheelbase (standard/long: 158.94"/172") are built upon a fully boxed, ladder-type frame built from high-strength steel using front hydroformed rails with clamshell design. The optimized frame and body structure works in conjunction with large driveline components that feature high-strength axles featuring large ring gears (11.5" on 2500, 12" on 3500)^† to bring immediate torque to ground for towing and off-roading.

HIGH-STRENGTH CHASSIS AND SUSPENSION

AVAILABLE 6.6L DURAMAX^® TURBO-DIESEL V8 ENGINE

445 hp and 910 lb.-ft. of torque
Large variable-speed cooling fan and dual path air induction system
Factory-installed diesel after-run function
Intelligent diesel exhaust brake system
Large rear axle ring gears (11.5" on 2500, 12" on 3500)

AVAILABLE 6.6L DURAMAX^® TURBO-DIESEL V8 ENGINE

445 hp and 910 lb.-ft. of torque
Large variable-speed cooling fan and dual path air induction system
Factory-installed diesel after-run function
Intelligent diesel exhaust brake system
Large rear axle ring gears (11.5" on 2500, 12" on 3500)

Front view of the 2023 Sierra HD Denali towing and driving on the road.

BRAKING CAPABILITY

Brake capability includes extended-hold Hill Start Assist, which provides extra time to start uphill from a complete stop. Denali also has an innovative Brake Pad Life Monitor and an Electric Parking Brake, which includes Steep Grade Apply and Park Grade Hold Assist to help when driving or parking on steep grades.

BRAKING CAPABILITY

AVAILABLE ALLISON^®† 10-SPEED AUTOMATIC TRANSMISSION

First HD in its class^† with Allison^®† 10-speed automatic transmission
Developed specifically for Sierra Heavy Duty
Optimizes gear shifts for maximum power, torque and efficiency
Closer gear spacing that allows the engine to operate in an optimal range at all times with varying load and terrain conditions

AVAILABLE ALLISON^®† 10-SPEED AUTOMATIC TRANSMISSION

First HD in its class^† with Allison^®† 10-speed automatic transmission
Developed specifically for Sierra Heavy Duty
Optimizes gear shifts for maximum power, torque and efficiency
Closer gear spacing that allows the engine to operate in an optimal range at all times with varying load and terrain conditions

2023 GMC Sierra HD Denali climate control.

2-SPEED AUTOTRAC^TM TRANSFER CASE

First HD in its class^† to offer a 2-speed AutoTrac^TM transfer case with an active automatic 4WD drive setting provides seamless shifting between two- and four-wheel drive based on road conditions.

2-SPEED AUTOTRAC^TM TRANSFER CASE

DENALI BLACK DIAMOND EDITION

KEY FEATURES:

Power sunroof
Power-retractable assist steps with LED perimeter lighting
6.6L Duramax^®Turbo-Diesel V8 with Allison^®† 10-speed automatic transmission
Auxiliary Trailer Camera^†
Premium all-weather floor liners with removable carpet inserts
Trailer Tire Pressure Monitor Sensors^†
Unique 20" high-gloss black painted aluminum wheels
Ebony Twilight Metallic exterior paint^†
Available with 2500 and 3500 single rear wheel

2500 VS 3500

2023 GMC Sierra 2500 Denali HD in Hunter Metallic.

2500 HD DENALI

Available maximum conventional trailering capacity of up to 8391 KG (18,500 LB.)^†
Available maximum fifth wheel/gooseneck rating of up to 8391 KG (18,500 LB.)^†
Maximum payload of up to 1582 KG (3488 LB.)^†

BUILD & PRICE
ACCESSORIES

2023 GMC Sierra 3500 Denali HD in Hunter Metallic.

3500 HD DENALI

Available maximum conventional trailering capacity of up to 9072 KG (20,000 LB.)^†
Available maximum fifth wheel/gooseneck rating of up to 14,057 KG (30,990 LB.)^†
Maximum payload of 2891 KG (6374 LB.)^†

BUILD & PRICE
ACCESSORIES

SPEC HIGHLIGHTS

2500 HD DENALI
3500 HD DENALI

2500 HD DENALI

Sierra 2500 HD Denali truck comes in 4WD Crew Cab with 6' 9" standard bed or available 8' long bed.

MAX GCWR

12,474 KG (27,500 LB.)^†

WHEEL BASE

4036 mm – 4369 mm (158.9 in. – 172 in.)

FRONT/REAR TREAD WIDTH

1730/1735 mm
(68.1/68.3 in.)

MAX GVWR

5239 KG (11,550 LB.)^†

GROUND CLEARANCE

256.5 mm (10.1 in.)

CARGO VOLUME

1971 L – 2364 L (69.6 cu. ft. – 83.5 cu. ft.)^†

VIEW DETAILED SPECS

3500 HD DENALI

Sierra 3500 HD Denali truck comes in 4WD Crew Cab with either a 6' 9" standard bed or available 8' long bed. Long bed is available with an SRW or DRW configuration.

MAX GCWR

18,143 KG (40,000 LB.)^†

WHEEL BASE

4036 – 4369 mm (158.9 – 172 in.)

FRONT/REAR TREAD WIDTH

SRW: 1730/1735 mm (68.1/68.3 in.)
DRW: 1740/1905 mm (68.5/75 in.)

MAX GVWR

6350 KG (14,000 LB.)^†

GROUND CLEARANCE

SRW: 282 mm (11.1 in.)
DRW: 264 mm (10.4 in.)

MAX. CARGO VOLUME

1971 L – 2364 L (69.6 cu. ft. – 83.5 cu. ft.)^†

VIEW DETAILED SPECS

2500 HD DENALI

Sierra 2500 HD Denali truck comes in 4WD Crew Cab with 6' 9" standard bed or available 8' long bed.

MAX GCWR

12,474 KG (27,500 LBS)^†

WHEEL BASE

4036 mm – 4369 mm (158.9 in. – 172 in.)

FRONT/REAR TREAD WIDTH

1730/1735 mm (68.1/68.3 in.)

MAX GVWR

5239 KG (11,550 LB.)^†

GROUND CLEARANCE

256.5 mm (10.1 in.)

CARGO VOLUME

1971 L – 2364 L (69.6 cu. ft. – 83.5 cu. ft.)^†

VIEW DETAILED SPECS

3500 HD DENALI

Sierra 3500 HD Denali truck comes in 4WD Crew Cab with either a 6' 9" standard bed or available 8' long bed. Long bed is available with an SRW or DRW configuration.

MAX GCWR

18,143 KG (40,000 LB.)^†

WHEEL BASE

4036 – 4369 mm (158.9 – 172 in.)

FRONT/REAR TREAD WIDTH

SRW: 1730/1735 mm (68.1/68.3 in.)
DRW: 1740/1905 mm (68.5/75 in.)

MAX GVWR

6350 KG (14,000 LB.)^†

GROUND CLEARANCE

SRW: 282 mm (11.1 in.)
DRW: 264 mm (10.4 in.)

MAX CARGO VOLUME

1971 L – 2364 L (69.6 cu. ft. – 83.5 cu. ft.)^†