The GMC Sierra 1500 was first introduced more than two decades ago and continues to innovate with the 2020 model. Updates include the addition of adaptive cruise control, an Enhanced ProGrade Trailering camera, expanded availability of the 10-speed automatic transmission, and more.
2020 GMC Sierra 1500
Research, photos, specs, and expertise
GMC Sierra 1500 highlights
Customer reviews
4.5 out of 5
RepairPal reliability rating†
4 out of 5
Mileage (EPA estimate)
Pricing for current inventory
(no current inventory)
A capable truck with loads of technology
All GMC Sierra 1500 years
New this year
- Kicker Speaker System features are now available as options on select trims.
- The Elevation trim now comes with Turbo Diesel Engine as standard equipment.
- The SLT trim now comes with 4WD/AWD as standard equipment.
Explore GMC Sierra 1500 details
Base 2WD 2D Regular Cab
Standard Features
- ABS Brakes
- Air Conditioning
- AM/FM Stereo
- Android Auto
- Apple CarPlay
- Automatic Transmission
- Auxiliary Audio Input
- Bluetooth Technology
- Overhead Airbags
- Power Windows
- Side Airbags
- Traction Control
- UnMapped
- Vinyl Seats
Optional Features
†- Alloy Wheels
- Bed Cover
- Bed Liner
- Blind Spot Monitor
- Cloth Seats
- Cruise Control
- Lane Departure Warning
- Long Bed
- Navigation System
- Parking Sensors
- Power Locks
- Power Mirrors
- Rear Defroster
- Rear View Camera
- Running Boards
- Smart Key
- Tow Hitch
- UnMapped
Drive type
2WD
Engine size
2.7L
Horsepower
310
Torque (ft-lbs)
348
Engine type
Gas
Fuel capacity
28
Wheelbase
139.56"
Overall length
229.6"
Width
81.15"
Height
75.6"
Leg room
F 44.53"
Head room
F 43.11"
Front tires
255/70R17
Rear tires
255/70R17
Seating capacity
3
Max towing capacity
790/10000 lbs.
Transmission
Automatic
5 reasons to buy the 2020 GMC Sierra 1500
1. Good looks
The 2020 GMC Sierra, with its muscular body panels, bold grille, and unique C-shaped headlight housings, provides an exciting ride that's as practical as it is stylish. The grade-topping Denali bundles big 20-inch alloy wheels, as well, making the 2020 GMC Sierra an undeniably good-looking ride.
2. Flexible storage
A GMC exclusive, the MultiPro tailgate (AT4 trim) does more than just keep things from sliding out of the bed. Among its six functions are an extension feature to fit longer items like surfboards, a flip-down outer door to allow easier access to bed contents, and the ability to act as a full-width step for easy ingress and egress. On the SLT trim and above, the ProGrade Trailering System provides a total of 15 camera views.
3. Well appointed
The 2020 GMC Sierra is proof that a pickup can be as comfortable as it is practical. Optional on the SLT and standard on the ATR and above, the front occupants will enjoy heated and ventilated front seating, and the back seats heat up too. Similarly, the steering wheel in SLT and above trims has a hand-warming function.
4. Built-in entertainment
There's no excuse to be bored when you have some downtime in the 2020 GMC Sierra 1500, whether on the worksite or out camping. A seven-inch touchscreen display, powered by the GMC infotainment system, is standard equipment, but move up to an SLT or beyond, and the monitor grows to eight inches. New for 2020 is the available ability to stream SiriusXM satellite radio with a subscription.
5. An engine for everyone
Boasting an impressive choice between four different engines and three different transmissions, there's a GMC Sierra 1500 for every buyer. Certain powertrains like the 3.0L motor mated to the efficient 10-speed automatic transmission yields an EPA-estimated 26 mpg combined. Power hungry? The 6.2L V8 pumps out 420 horses.
Similar vehicles
If you're interested in the 2020 GMC Sierra 1500, you should also check out these similar vehicles from previous model years.
RAM gave its full-size 1500 pickup a makeover for model year 2019, adding a mild hybrid system to the mix. A giant 12-inch touchscreen display was added in the redesign with updated technology to spare. If you're interested in the RAM 1500, model years 2017-2021 will come with amenities like these:
Air conditioning
Cruise control
Six-speaker sound system
Simple, functional, and adventurous; these all describe the 2017–2020 Toyota Tundra. The unique TRD Pro trim gives the 2017–2020 Toyota Tundra an enthusiast's makeover, getting it ready for extreme off-roading with FOX shocks and BBS wheels. A pair of V8 engine options power the Tundra, beginning with a 310 hp 4.6L V8. When equipped with the 381-hp 5.7L V8, the 2017–2020 Toyota Tundra RWD Double Cab can tow up to an estimated 10,200 pounds when properly equipped. Finally, get first-class luxury in the well-appointed 1794 trim, featuring natural wood, saddle leather seating, and large comfortable seats.
All 2017–2020 Toyota Tundras get equipped with:
LED daytime running lights and automatic high beams
6.1-inch infotainment system with Bluetooth
Rearview camera
The Ford F-150 is a versatile full-size pickup. The 2017-2020 Ford F-150 has three cab and bed size options, as well as seven trim levels. Trims range from basic to extremely powerful, including an off-road-tuned Raptor model, which is powered by a 450-hp twin-turbo V6 engine. The 2017-2020 Ford F-150 doesn't offer a V8, but there are multiple V6 engine options that deliver plenty of power.
Here's what you'll find on the 2017-2020 Ford F-150:
SYNC® 3 infotainment system with an eight-inch screen
Seating for three to six, depending on cab configuration
Available Apple CarPlay and Android Auto integration
Ratings & reliability
RepairPal reliability rating†
Above Average
RepairPal gave the GMC Sierra 1500 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 6th out of 27 among Fullsize Trucks.
View RepairPal's full rating of the GMC Sierra 15002020 GMC Sierra 1500 trims
Base:
- 2.7L
- 5.3L
- 285-hp, 305-lb-ft of torque 4.3L
- 355-hp, 383-lb-ft of torque 5.3L
- 310-hp, 348-lb-ft of torque 2.7L
- Vinyl Seats
- Traction Control
- Side Airbags
- Overhead Airbags
- Automatic Transmission
- Bluetooth Technology
- Apple CarPlay
- Android Auto
- View all GMC Sierra 1500 Bases in stock
SLE:
- Includes all features available on the Base
- 3.0L
- 277-hp, 460-lb-ft of torque 3.0L
- Power Mirrors
- Cloth Seats
- Cruise Control
- Alloy Wheels
- Turbo Diesel Engine
- Power Locks
- View all GMC Sierra 1500 SLEs in stock
Elevation:
- Includes all features available on the SLE
- Remote Start
- Smart Key
- View all GMC Sierra 1500 Elevations in stock
SLT:
- Includes all features available on the Elevation
- Heated Steering Wheel
- Front Seat Heaters
- Memory Seats
- Power Seats
- Leather Seats
- Satellite Radio Ready
- View all GMC Sierra 1500 SLTs in stock
AT4:
- Includes all features available on the SLT
- 6.2L
- Rear Seat Heaters
- Rear Defroster
- View all GMC Sierra 1500 AT4s in stock
Denali:
- Includes all features available on the AT4
- A/C Seats
- 20 Inch Plus Wheels
- BOSE Sound System
- Navigation System
- View all GMC Sierra 1500 Denalis in stock
More about 2020 GMC Sierra 1500
Color options
Cardinal Red
Dark Sky Metallic
Onyx Black
Pacific Blue Metallic
Quicksilver Metallic
Satin Steel Metallic
Summit White
Tangier Orange
Wheatland Yellow
Woodland Green
Interior details
Cargo Space: Regular Cab has 72 or 98 cubic feet of cargo volume, Double Cab has 98 cubic feet, and Crew Cab has 63 or 72 cubic feet.
Seating Capacity: Regular Cab and Double Cab seat up to six people while Crew Cab seats up to three people.
Infotainment: A seven-inch touchscreen comes standard while SLT and above trims receive an eight-inch touchscreen and Apple CarPlay and Android Auto.
Safety ratings
The 2020 GMC Sierra 1500 received an overall 4/5 by the National Highway Traffic Safety Administration (NHTSA). Certain vehicles may have unrepaired safety recalls. Click here to look up a specific vehicle.
* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.
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