Want to tow like a pro with a new truck that offers both premium and off-road options? The 206 GMC Sierra 1500 is the premier light-duty truck that delivers on all fronts. The staff at Karl GMC of Marshalltown can walk you through the GMC Sierra 1500 lineup, going over the three cab sizes and four engines. Get to know the capabilities of the new GMC Sierra 1500 trucks for sale in Marshalltown, IA.
The 2026 GMC Sierra 1500 offers four engines, delivers best-in-class standard engine torque, and boasts a max diesel towing capacity of 13,300 pounds. Powertrains include:
The 2026 GMC Sierra 1500 offers over 40 inches of combined driver-focused digital displays - the most in its class. The 13.4-inch multicolor touchscreen and 12.3-inch Driver Information Center are the headliners. A 15-inch Head-Up Display is also available. Super Cruise® hands-free driver assistance technology results in more relaxing towing trips. Tow with confidence by adding the ProGrade™ Trailering System to your new GMC Sierra 1500, which offers up to 14 camera views.
Enjoy best-in-class front headroom and legroom within a Crew Cab model from the GMC Sierra 1500 lineup. Heated and ventilated seats provide year-round comfort for towing duties. Whether you're loading hunting gear or work equipment, there's storage within the cab. A six-function GMC MultiPro™ Tailgate and CarbonPro composite bed with best-in-class short bed cargo volume are exterior highlights for this new GMC truck.
Base models have a TurboMax™ engine, 12 cargo tie-downs, and a 12-volt front power outlet.
Large screens come with the SLE. You have access to a 13.4-inch multicolor touchscreen and a 12.3-inch Driver Information Center. Heated seats are also added.
LED fog lamps and 20-inch gloss-black aluminum wheels headline the Elevation.
SLT models have a 5.3-liter V8 engine and chrome grille.
Off-road AT4 models have a 2-inch factory lift, off-road suspension, Rancho® monotube shocks, two-speed Autotrac® transfer case, Jet Black interior with Kalahari accents, and a Duramax® 3.0-liter Turbo-Diesel engine.
Multimatic® DSSV dampers, front and rear locking differentials, an AEV skid plate, and heated, ventilated, and massaging front seats are highlights of the off-road AT4X.
Premium Denali models have authentic wood, patterned aluminum trim, and Forge perforated leather-seating surfaces. The signature Denali grille has a chrome header. The powerplant is a 5.3-liter V8 engine.
Super Cruise® hands-free driving checks in, and the 6.2-liter V8 engine is under the hood. Exclusive 7-spoke Ultra-Bright 22-inch machined aluminum wheels have bright chrome accents, and there is a signature Denali Vader chrome grille out front. The 12-speaker Bose® Premium Series sound system features Centerpoint surround sound. Heated and ventilated front seats feature massaging and 16-way adjustment for comfort on long towing journeys across Iowa.
Explore our new inventory to pick out a GMC Sierra 1500 cab style and engine that aligns with your preferences. Contact the truck pros at Karl GMC of Marshalltown to schedule your test drive in a 2026 GMC Sierra 1500.
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1000 N 3rd AVe
Marshalltown, IA 50158