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2020 GMC Sierra 1500

2020 GMC Sierra 1500

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$29,600 — $58,900 MSRP
103
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Regular Cab Pickup
2-6 Seats
17-21 MPG
(Combined)
Key specs of the base trim
 — 
Compare 6 trims

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2020 GMC Sierra 1500 Review

from the Cars.com expert editorial team

There are minor updates and changes coming for the 2020 GMC Sierra 1500 full-size pickup truck, designed to expand the brand’s available technology to more trims. On the powertrain front, the big news is the expansion of the 10-speed automatic transmission’s availability — it’s now paired with the 5.3-liter V-8 engine as standard equipment on the Sierra AT4 and Denali, and will be included on SLE trims and above as long as four-wheel drive is also selected. Previously, you could only get the 10-speed when you ordered the top 6.2-liter V-8. If you don’t get four-wheel drive, your 5.3-liter V-8-equipped truck will still feature the eight-speed automatic transmission. GMC is also adding turbo-diesel 3.0-liter Duramax inline six-cylinder availability to the CarbonPro Edition trucks; previously, you could only get the CarbonPro with the 6.2-liter V-8.

Technology-wise, the 2020 Sierra 1500 SLT, AT4 and Denali will get available adaptive cruise control that will be able to bring the Sierra to a full stop when engaged. But the real news is the arrival of the enhanced ProGrade Trailering system, which brings 15 different available camera views to the multimedia system, including the industry-first “transparent trailer” view that essentially makes anything you’re towing disappear. The system was first shown on the soon-to-be-launched 2020 Sierra 2500/3500, which we should see later this summer.

GMC is also filtering a lot of the trailer control functions down from the new heavy-duty pickups as well. The in-vehicle Trailering App in the multimedia system will allow owners to create and edit trailer profiles through the myGMC mobile device app and upload them directly to the truck, saving time on hooking up new trailers for the first time. The trailer profiles are also shareable now, so they can be sent to other trucks with the capability. The app also will send notifications for maintenance and trailer mileage. The in-Command Control System app, available through a mobile device or through the truck’s multimedia system running Apple CarPlay or Android Auto, allows even more control over the trailer itself — enabling a user to potentially activate trailer systems like air conditioning or water heaters, check holding tank levels or monitor generator fuel tank levels from the comfort of the Sierra’s cab.

Cosmetically, not much changes for 2020 except for an appearance update for CarbonPro Editions of the Sierra AT4 off-road pickup. In addition to the unique carbon fiber bed, the Sierra AT4 CarbonPro Edition will get a new black chrome grille surround, black exhaust tips and modified badges. It will be available only in Onyx Black, Summit White, Satin Steel Metallic and Carbon Black Metallic colors. Also, the Elevation trim level (the monochromatic one that slots between the SLE and SLT) can now be had as a crew-cab model instead of just the double dab that was offered for 2019, and the Sierra’s optional trailer tow mirrors have been redesigned.

The new 2020 GMC Sierra goes on sale in August.

Consumer Reviews

What drivers are saying

4.7
44 reviews — Read All reviews
Exterior Styling
(4.8)
Performance
(4.9)
Interior Design
(4.8)
Comfort
(4.9)
Reliability
(4.8)
Value For The Money
(4.7)

Read reviews that mention:

(5.0)

Gentlemans Cadillac...

by Young Family from Marrero on July 14, 2020

This truck is wonderful. Rides nice, plenty of leg room, wonderful safety features, very stylish, comfortable and quiet interior. Family loves the overall truck and design... Read full review

(4.0)

GMC Sierra

by Gerry D from Old Bridge NJ on July 11, 2020

Great looking truck, rides fantastic. Could have more features for the price. I think gmc skimped out on certain amenities unnecessarily. But that’s just me knit picking. Overall the truck is ... Read full review

Safety

Recalls and crash tests

Recalls

The 2020 GMC Sierra 1500 currently has 4 recalls


Crash and Rollover Test Ratings

Based on 2020 GMC Sierra 1500 Base

NHTSA rates vehicles using a star rating system from 1-5 stars, with 5 being the highest.

Overall
4 Star
Overall Front
4 Star
Overall Side
5 Star
Overall Rollover Rating
4 Star
Driver's
5 Star
Passenger's
4 Star
Side Barrier
5 Star
Side Barrier Rating Driver
5 Star
Side Pole
5 Star
Side Pole Barrier combined (Front)
5 Star
National Highway Traffic Safety Administration (NHTSA) is part of the U.S. Department of Transportation. NHTSA provides vehicle safety information such as front- and side-crash ratings and rollover ratings. Vehicles are rated using a star rating system from 1-5 stars, with 5 being the highest.

Warranty

New car and certified pre-owned programs by GMC

New Car Program Benefits

  • Bumper-to-Bumper

    36 months / 36,000 miles

Certified Pre-Owned Program Benefits

  • Maximum Age/Mileage

    5 model years or newer/up to 75,000 miles

  • Basic Warranty Terms

    12 months/12,000 miles bumper-to-bumper original warranty, then may continue to 6 years/100,000 miles limited (depending on variables)

  • Powertrain

    6 years/100,000 miles

  • Dealer Certification Required

    172-point inspection

  • Roadside Assistance

    Yes

  • View All CPO Program Details

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Cars.com Car Seat Check

Certified child passenger safety technicians conduct hands-on tests of a car’s Latch system and check the vehicle’s ability to accommodate different types of car seats. The Sierra 1500 received the following grades on a scale of A-F.*

Latch or Latch system

Infant seat

Forward-facing convertible

(second row)

Rear-facing convertible

Booster

(second row)

* This score may not apply to all trims, especially for vehicles with multiple body styles that affect the space and design of the seating.

Warranty FAQs

What is a Bumper-to-Bumper warranty?

Often called a basic warranty or new-vehicle warranty, a bumper-to-bumper policy covers components like air conditioning, audio systems, vehicle sensors, fuel systems and major electrical components. Most policies exclude regular maintenance like fluid top offs and oil changes, but a few brands have separate free-maintenance provisions, and those that do offer them is slowly rising. Bumper-to-bumper warranties typically expire faster than powertrain warranties.

What is a Powertrain warranty?

Don't be misled a 10-year or 100,000-mile powertrain warranty doesn't promise a decade of free repairs for your car. It typically covers just the engine and transmission, along with any other moving parts that lead to the wheels, like the driveshaft and constant velocity joints. Some automakers also bundle seat belts and airbags into their powertrain warranties. With a few exceptions, powertrain warranties don't cover regular maintenance like engine tuneups and tire rotations.

What is included in Roadside Assistance?

Some automakers include roadside assistance with their bumper-to-bumper or powertrain warranties, while others have separate policies. These programs cover anything from flat-tire changes and locksmith services to jump-starts and towing. Few reimburse incidental costs like motel rooms (if you have to wait for repairs).

What other services could be included in a warranty?

Some automakers include free scheduled maintenance for items such as oil changes, air filters and tire rotations. Some include consumables including brake pads and windshield wipers; others do not. They are typically for the first couple of years of ownership of a new car.

What does CPO mean?

A certified pre-owned or CPO car has been inspected to meet minimum quality standards and typically includes some type of warranty. While dealers and third parties certify cars, the gold standard is an automaker-certified vehicle that provides a factory-backed warranty, often extending the original coverage. Vehicles must be in excellent condition and have low miles and wear to be certified, which is why off-lease vehicles feed many CPO programs.

See also the latest CPO incentives by automaker

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*MSRP and Invoice prices displayed are for educational purposes only, do not reflect the actual selling price of a particular vehicle, and do not include applicable gas taxes or destination charges.