2026 GMC Sierra Trim Levels

The GMC Sierra pickup truck comes in any size you need. You can choose from the base-level GMC Sierra 1500 or a GMC Sierra heavy-duty (HD) option. There’s even an all-new, all-electric option if you want to cut out fuel costs altogether while still maintaining a high level of performance. John Holt GMC breaks down the 2026 GMC Sierra trim levels for each available option below.

We invite you to peruse the available trims and then visit our dealership to take a test drive of your favorite model!

2026 GMC Sierra 1500 Trim Levels

Drivers in Duncan who want something practical and powerful will love the base-level GMC Sierra 1500. Even the base 1500 can tow up to 13,300 pounds! Here are the 2026 GMC Sierra 1500 trims:

• Pro
• SLE
• Elevation
• SLT
• Denali
• AT4
• AT4X
• Denali Ultimate

2026 GMC Sierra HD Trim Levels

If you need something with even more towing power and durability, consider a GMC Sierra HD option. There are two models in the HD lineup: the 2500 HD and the 3500 HD. Both models have the same trims, but the main difference is their towing capacity. The 2026 GMC Sierra 2500 HD can tow up to 22,390 pounds. However, if you need the absolute most out of a pickup truck, then you might want the 2026 GMC Sierra 3500 HD, which can tow up to 31,500 pounds!

2026 GMC Sierra 2500 HD Trim Levels

• Pro
• SLE
• SLT
• AT4
• Denali
• AT4X
• Denali Ultimate

The maximum towing capacity is 22,390 pounds

2026 GMC Sierra 3500 HD Trim Levels

• Pro
• SLE
• SLT
• AT4
• Denali
• AT4X
• Denali Ultimate

The maximum towing capacity is 31,500 pounds

2026 GMC Sierra 3500 HD Chassis Cab

If you need something that’s better built for heavy payload and not so much for towing, then you might be more inclined to drive the GMC Sierra 3500 HD Chassis Cab. The Chassis Cab isn’t rated for towing, but it has a maximum payload capacity of 7,329 pounds. Couple the payload capacity of this commercial truck with its powerful diesel engine, and there’s no job you can’t handle around Lawton when you’re behind the wheel!

The GMC Sierra 3500 HD Chassis Cab comes in only one trim, but there are plenty of upfitting options and customization options available.

2026 GMC Sierra EV Trim Levels

If you want to eliminate trips to the gas station, then take a peek at the GMC Sierra EV. This truck can travel up to 478 miles on a full charge and still has plenty of power to boot. The 2026 GMC Sierra EV can produce up to 760 hp and up to 785 lb-ft of torque!

Here are the trims in the GMC Sierra EV lineup:

• Elevation
• Denali
• AT4

Which GMC Sierra will you choose? We can’t choose for you, but we can certainly help you choose the model that’s the best fit for your driving needs. Make the trip from Blanchard to visit our dealership, and don’t forget to ask us about our new vehicle specials!

Choose Your GMC Sierra In Chickasha!

No matter which 2026 GMC Sierra trim level you choose, you’ll drive with more confidence than ever before. Visit our dealership at your earliest convenience. In the meantime, be sure to apply for financing online and get a trade-in estimate for your current vehicle. Don’t forget to check out our new vehicle specials as well.