Comparing Engine Options, Horsepower & Torque Ratings
The 2024 GMC Sierra 1500 comes with four engine options to
suit your preferred powertrain performance:
- 2.7L Turbomax: 310 hp, 420 lb.-ft. of torque, and 8-speed
automatic transmission
- 5.3L Gas: 355 hp, 383 lb.-ft. of torque, and 10-speed
automatic transmission
- Duramax® 3.0L Turbodiesel: 277 hp, 460 lb.-ft. of
torque, and 10-speed automatic transmission
- 6.2L EcoTec®3 V8: 420 hp, 460 lb.-ft. of torque, and
10-speed automatic transmission
The 2024 GMC Sierra 2500 HD offers two heavy-duty engine
options:
- 6.6L V8: 401 hp, 464 lb.-ft. of torque, and 10-speed
automatic transmission
- 6.6L Turbodiesel V8: 470 hp, 975 lb.-ft. of torque,
and 10-speed automatic transmission
The 2024 Sierra 1500 and 2500 HD both offer 2WD and 4WD
models in their lineups.
Towing Capacity & Payload Rating Comparison

The 2024 Sierra 1500 has impressive trailering
strength, towing up to 13,200 lbs. with a maximum payload rating of 2,240 lbs.

The 2024 Sierra 2500 HD lives up to its heavy-duty
name, towing up to 36,000 lbs. with a maximum payload rating of 4,178 lbs.
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Interior Design & Features Comparison

The 2024 GMC Sierra 1500 and 2024 GMC Sierra 2500
HD share the same interior features, bringing you consistent offerings no
matter which model you choose.
They both come with a standard 12.3-inch digital instrument
panel and a 13.4-inch infotainment on their base-level SLE trims. These support
wireless Apple CarPlay/Android Auto and Google's family apps. A 15-inch head-up
display and two additional infotainment screens are also available in
upper-level trims on both models.
Their cabins have superior comfort with high-end materials,
including full-grain leather upholstery, open-pore wood trim, and
leather-trimmed pieces for the door panels, instrument panels, and console lid.
Additional convenient interior amenities the Sierra 1500 and
2500 HD share include:
- Leather-wrapped heated steering wheel
- Heated and ventilated front leather-appointed seats
- Dual-zone climate control
- Rear-seat outlets and a wireless charging pad
- Bose 12-speaker premium audio system
Comparing Exterior Colors & Dimensions

*2024 GMC Sierra 1500 Color Options Shown.
The exterior dimensions of the 2024 Sierra 1500 are
211-242" L x 81" W x 75-79" H, with 5.8-ft. to 8.2-ft. truck bed
lengths-making it the perfectly sized road trip pickup.
This model year offers 11 exterior
paint colors with some changes from last year's offerings and select
availability per trim:
- Summit White
- Cardinal Red
- Deep Bronze Metallic
- Downpour Metallic
- Dynamic Blue Metallic
- Onyx Black
- Sterling Metallic
- Thunderstorm Gray
- Titanium Rush Metallic
- White Frost Tricoat
- Volcanic Red Tintcoat
Sand Dune Metallic and Pacific Blue Metallic were
discontinued in 2024 Sierra 1500 models.

*2024 GMC Sierra 2500 HD Color Options Shown.
The exterior dimensions of the 2024 GMC Sierra 2500 HD
are 236-267″ L x 82″ W x 80-83″ H, with a 6.9-ft. or 8-ft. truck bed-making it
the ideal heavy hauler for work vehicles or long-distance outdoor family trips
for boats and trailers.
This model year offers 10 exterior paint colors with six new
options introduced and select availability per trim:
- Summit White
- Cardinal Red
- Downpour Metallic
- Onyx Black
- Redwood Metallic
- Sterling Metallic
- Thunderstorm Gray
- Titanium Rush Metallic
- Volcanic Red Tintcoat
- White Frost Tintcoat
Cab & Truck Bed Configurations Comparison
The 2024 GMC Sierra 1500 offers multiple box sizes
(truck beds) and five cab configurations, with varying prices.
Regular Cab, Standard Bed:
- 79.44"
box length
- Three
passenger capacity
Regular Cab, Long Bed:
- 98.20"
box length
- Three
passenger capacity
Double Cab, Standard Bed:
- 79.44"
box length
- Six
passenger capacity
Crew Cab, Short Bed:
- 69.92"
truck bed length
- Six
passenger capacity
Crew Cab, Standard Bed:
- 79.44"
box length
- Six
passenger capacity
The 2024 GMC Sierra 2500 HD offers larger truck bed
sizes and the same five cab configurations, with varying prices.
Regular Cab, Long Bed:
- 98.27"
box length
- Three
passenger capacity
Double Cab, Standard Bed:
- 82.25"
box length
- Six
passenger capacity
Double Cab, Long Bed:
- 98.27"
box length
- Six
passenger capacity
Crew Cab, Standard Bed:
- 82.20"
box length
- Five
passenger capacity
Crew Cab, Long Bed:
- 98.27"
box length
- Six
passenger capacity
Comparing Off-Road Capability

The 2024 Sierra 1500 is recognized as one of the best
off-roading pickup trucks on the market. Specifically, its AT4X off-road
designed model is loaded with features to tackle any terrain easily. From
advanced multi-matic spool-valve dampers to electronic locking front/rear
differentials and extra underbody protection, this pickup navigates off-road
adventures smoothly and safely.
Additional off-roading features for 2024 Sierra 1500s include:
- Goodyear
Wrangler Duratrac mud-terrain tires
- Factory-installed
two-inch suspension list for extra ground clearance

The 2024 Sierra 2500 HD combines heavy-duty
performance with enhanced off-roading capabilities. Its AT4 trim exterior
design has an adventurous appearance, with premium Black Chrome accents,
trailering mirrors, and signature C-shaped lighting.
Additional off-roading features for 2024 Sierra 2500 HD models
include:
- BFGoodrich
off-road tires
- Factory-installed
1.5-inch suspension list for extra ground clearance
The Sierra 1500 and 2500 HD both share some off-road
technologies, such as the world's first six-function GMC
Multipro Tailgate to improve loading/unloading and accessing the cargo box
and Traction
Select System with 11 drive modes for various road conditions.
Shop New Sierra Trucks
Fuel Economy Comparison

The 2024 Sierra 1500 fuel economy ratings
depend on the powertrain and configuration. The Duramax® 3.0L Turbo-Diesel
engine is the most fuel-efficient option, with an EPA-estimated 23 mpg city/29
mpg highway. Most 4WD models have the standard 6.2L V8 engine, earning up to 15
mpg city and 20 mpg highway.
The 2024 Sierra 2500 HD doesn't have EPA-estimated
fuel economy ratings since it's a large pickup with a GVWR of over 8,500 lbs.
Safety Features & Equipment Comparison
The 2024 Sierra 1500 and 2500 HD both make safety a premium
with cutting-edge trailering innovations, seamless smartphone integrations, and
driver-centric alerts that make you feel at ease on and off the road.
Their infotainment systems offer an intuitive interface with
quick response times and upgraded voice recognition.
Additionally, their suite of advanced driver assistance
features enhances your road awareness of surrounding vehicles, including:
- Front/rear
park assist with alerts for nearby detected objects
- Lane
Departure Warning with alerts if you're unintentionally drifting out of
detected lanes
- Safety
Alert Seat with vibration pulses to identify the direction of potential crashes
- Intellibeam
with automatic high beam headlamps when it's dark enough and no other traffic
is present and turns off for approaching vehicles
How to Know If You Should Buy the GMC Sierra 1500 or Sierra 2500 HD
After comparing the 2024 GMC Sierra 1500 vs. Sierra 2500 HD,
ask yourself these two questions:
- What
is your budget?
- What are
the must-have features versus nice-to-have features you're looking for?
If affordability, comfort, technology, and off-road
capability are what you desire most, the 2024 Sierra 1500 is the ideal fit. If
towing capacity, power, and a workhorse that gets the job done are more of what
you need, choose the 2024 Sierra 2500 HD.
At Octane GMC in Santa Fe, we fuel what you love! And, when
you're ready to buy your new Sierra truck, 1500 or 2500, we'll give you the
best price possible to get you back on the road. Don't just take our word for
it. Our Octane
Advantage gives you peace of mind when pickup truck shopping with our
48-hour love-it-or-leave-it guarantee.
Browse our new GMC truck inventory below, including plenty
of 2024
GMC Sierra 1500s and 2024
GMC Sierra 2500 HDs, or schedule a test drive with us today!
New GMC Sierra 1500 & 2500 HD Trucks for Sale in Santa Fe, NM