Main Navigation beebs
Skip to main content

2018 GMC Sierra 1500 review

Research, photos, specs, and expertise
6 photos

GMC Sierra 1500 highlights

Customer rating

Pros

  • Abundant cargo space
  • Powerful engine options
  • Spacious, quiet cabin

Cons

  • Poor handling
  • Not enough standard tech features
  • No standard advanced driver-assistance systems

Mileage (EPA estimate)

15 city, 20 highway, 17 combined

Pricing for current inventory

(no current inventory)

6 photos
Price
Year

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.

All GMC Sierra 1500 years

What is new for the 2018 GMC Sierra 1500?

  • All models now feature advanced safety systems as standard equipment.
  • New infotainment system with enhanced connectivity options introduced.
  • Improved fuel efficiency across all models by 10% compared to previous year.
  • Standard warranty extended to 5 years or 60,000 miles, providing better assurance for buyers.

2018 GMC Sierra 1500 trims

Curious how GMC Sierra 1500 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Base:

  • 5.3L
  • 285-hp, 305-lb-ft of torque 4.3L
  • 355-hp, 383-lb-ft of torque 5.3L
  • Cruise Control
  • Cloth Seats
  • Traction Control
  • Side Airbags
  • Overhead Airbags
  • Rear View Camera
  • Automatic Transmission
  • 4WD/AWD
  • View our GMC Sierra 1500 inventory

SLE:

SLT:

Denali:

GMC Sierra 1500 photos

5 reasons to buy the 2018 GMC Sierra 1500

1. Impressive engine choices

The 2018 GMC Sierra 1500 offers three powertrain options, ensuring there's an engine to suit your driving and hauling needs. The base engine is a 4.3L V6, with 285 hp and 305 lb-ft of torque, and a six-speed automatic transmission that can tow an estimated 7,600 lb when properly equipped.

For more power, there are two available V8 engines. The first is a 355-hp 5.3L V8 and an eight-speed automatic transmission that can pull an estimated 11,100 lb when properly equipped.
Opting for a 2018 Sierra 1500 with the range-topping 6.2L V8 with 420 hp provides an estimated 12,500 lbs of hauling power, when properly equipped, to tow your full-size trailer.

2. Diverse cab options

When it comes to the 2018 GMC Sierra 1500, the diverse cab options provide the ideal fit for different lifestyles and needs. Whether you value simplicity, have a larger family, or prioritize passenger comfort and convenience for your crew, there's a configuration that suits you. The Regular Cab offers a straightforward and practical layout, making it ideal for those who prefer simplicity and easy maneuverability. The Double Cab provides ample space for group travels, accommodating up to six passengers comfortably. If you seek maximum passenger comfort, the Crew Cab, with its four full-size doors and generous rear seating, ensures everyone can enjoy a spacious ride.

3. Smooth ride

The 2018 GMC Sierra 1500 delivers a remarkably smooth ride and impressive handling, making it the ideal companion for daily use. Whether you're conquering city streets, tackling rugged job sites, or embarking on a leisurely highway cruise, the Sierra 1500's suspension system ensures a comfortable ride by effortlessly absorbing road imperfections. Inside the cabin, you'll enjoy a serene environment where tire and wind noise are minimized, even on the roughest roads. Whether you're a commuter, a family driver, or a hardworking individual, the 2018 Sierra 1500 provides ride comfort and refined handling to meet your everyday needs.

4. Versatile storage

Discover the exceptional storage versatility of the 2018 GMC Sierra 1500. With its spacious bed options, including a standard 5'8" bed and available 6'6" or 8' beds, this full-size truck can effortlessly accommodate a wide range of hauling needs. Enhancing its functionality, the Sierra 1500 offers available LED lighting and optional cargo box enhancements for added convenience and accessibility. Inside the cabin, you'll find a host of storage compartments, including a center console, door pockets, and optional under-seat storage, providing extra space to keep your work equipment and outdoor gear organized.

5. Innovative infotainment

The 2018 GMC Sierra 1500 sets the standard for innovative infotainment features to elevate your driving experience. You'll enjoy a seven-inch touchscreen infotainment system from the base trim level, while the SLE and higher trims boast an upgraded eight-inch touchscreen system with Apple CarPlay® and Android Auto compatibility. In addition, Bluetooth® connectivity is standard in all models, ensuring seamless integration with your mobile devices. You can also stay connected on the go with the available 4G Wi-Fi hotspot, supporting up to seven web-enabled devices.

Finally, the Denali trim offers built-in navigation, while All Terrain and higher models can be equipped with a premium Bose® stereo system featuring six speakers for concert-like sound.

Shop with your budget in mind

Getting pre-qualified lets you shop with personalized monthly payments, and it doesn't impact your credit score.

Ratings & reliability

Customer ratings

The 2018 GMC Sierra 1500 receives praise for its smooth ride, powerful engine, and high-end interior. However, some customers criticize its high cost and occasional reliability issues. Fuel economy and cabin space are additional highlights, while concerns exist over repair costs and technology glitches.
3
1
2
Above Average

RepairPal gave the GMC Sierra 1500 an overall reliability rating of 3.5 out of 5 stars, which RepairPal describes as Above Average. This rating ranks GMC Sierra 1500 4th out of 19 among Fullsize Trucks.

View RepairPal's full rating of the GMC Sierra 1500

GMC Sierra 1500 features and specs

SLE 2D Regular Cab 2WD

Standard Features

  • Power Mirrors
  • Air Conditioning
  • Cruise Control
  • Side Airbags
  • Power Locks
  • Traction Control
  • Power Seat(s)
  • Cloth Seats
  • ABS Brakes
  • Overhead Airbags
  • Power Windows
  • Rear View Camera
  • Heated Mirrors
  • Alloy Wheels
  • Flex Fuel Vehicle
  • Automatic Transmission
  • Satellite Radio Ready
  • AM/FM Stereo
  • Bluetooth Technology
  • Android Auto
  • CD Audio
  • Apple CarPlay
  • Auxiliary Audio Input
  • Cloth Seats
  • Rear Defroster
  • Parking Sensors
  • Lane Departure Warning
  • Remote Start
  • Heated Mirrors
  • Bed Liner
  • Tow Hitch
  • Bed Cover
  • 20 Inch Plus Wheels
  • Running Boards
  • Long Bed
  • Flex Fuel Vehicle
  • Satellite Radio Ready
  • Navigation System

Drive Wheels

Rear Wheel Drive (2WD)

Engine size

4.3L

Horsepower

285

Torque (ft-lbs)

305

Engine type

Gas

Fuel capacity

34

Wheelbase

133"

Overall length

224.4"

Width

80"

Height

73.5"

Leg room

F 45.27"

Head room

F 42.4"

Front tires

P255/70R17

Rear tires

P255/70R17

Seating capacity

3

Max towing capacity

590/9800 lbs.

Transmission

Automatic

2018 GMC Sierra 1500 FAQ

Research other vehicles



* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.​

Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.

Unless otherwise noted, information related to featured vehicles comes from third-party sources, including manufacturer information. Product and company names may be trademarks or registered trademarks of third-party entities. Use of them does not imply any affiliation with or endorsement by these entities.​ By clicking on any video links, you will be taken to a third-party site maintained by YouTube, Inc.

We make every effort to provide accurate information, but please verify before purchasing.