15 city, 20 highway, 17 combined
(no current inventory)
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.
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.
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.
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.
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.
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 1500Drive 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 |
The 2018 GMC Sierra 1500 is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:
The GMC Sierra 1500 received a rating of 3.5 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the GMC Sierra 1500 as 3 out of 19 among Fullsize Truck
The 2018 GMC Sierra 1500 has a maximum towing capacity of between 8600 and 12500 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.
Here is what's new for the 2018 GMC Sierra 1500:
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.