Auto Guide
2027 GMC Sierra 1500
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Review and specifications

2027 GMC Sierra 1500

Like the Chevrolet Silverado 1500, GMC gave the Sierra 1500 an evolutionary redesign for the 2027 model year. The exterior is new, and the updated interior is screen-intensive. The four available engines are a turbocharged four-cylinder, two new V8s, and a turbodiesel six-cylinder. The turbo four has been changed, and the V8s are next-generation small blocks. Trim options for the Sierra 1500 include Pro, Elevation, AT4, AT4X, Denali, and Denali Ultimate trims. Overall, the 2027 GMC Sierra 1500 exemplifies how pickup trucks like the F-150 and Ram 1500 keep getting more upscale. The off-road trims can handle tougher conditions, and luxury editions get luxury amenities that rival those of high-end SUVs. All this also means the new Sierra will cost more than the model it replaces.

Market value
$38,300
Fuel
Conventional
Transmission
Automatic
Seats
6
View listings Find dealers
Model year 2027
Owner rating Not rated
Reliability 2/5
Data updated June 29, 2026

At a glance

Model data

Overview

Powertrain
Conventional
Body style
extended cab
Drive type
4WD
Transmission
Automatic, 10-speed
Category
Full-sized pickup trucks
Generation began
2027

Pricing

Original MSRP range
$38,300 - $84,400

Ratings

Reliability
2/5

Road tests

Test status
Not Tested

Dimensions

Length
232 in
Width
81 in
Height
76 in
Wheelbase
147 in

Interior

Seating
6 people

Environmental impact

SmartWay
No

Brand context

About GMC

<p>Most GMCs SUVs and trucks are essentially versions of Chevrolets with different badges, different styling, and some extra luxury features. Overall, though, GMCs don’t often stand out, equipment-wise, from their mechanical siblings. Like many Chevrolets, GMC vehicles’ interiors are spacious and comfortable thanks to large exterior dimensions. Its SUV lineup ranges from compact models like the Terrain to the three-row Yukon XL, which can carry up to eight passengers and their luggage—no small feat. GMC’s pickup truck line ranges from midsized models like the Canyon and the popular Sierra 1500, and goes all the way up to commercial-grade “dually” trucks with four rear wheels. The brand has offers EVs, including an all-electric pickup and the enormous, heavy Hummer EV, which is sold as either a pickup or SUV. Both used and new GMC models rank below average in Consumer Reports’ reliability ratings.</p><div>  <p><br/></p></div>

Vehicle ID: 41504 First published: June 29, 2026 Updated: June 29, 2026

Values may vary by trim, options, location, and market conditions.

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