2026 Sierra 1500 in Oswego, IL.

2026 Sierra 1500 in Oswego, IL.

Here is to a fantastic New Year to all in Oswego, IL. and if you are looking for a light duty pick up that is ranked best in class for towing, then the 2026 GMC Sierra 1500 is the truck for you. Just stop in, at Coffman GMC in Aurora on Lake Street and we will introduce you to this light duty competitor that offers front cabin comfort and exceptional driving capabilities. Our team has over 75 years of experience to guide you through this process and get you into a 2026 Sierra 1500 truck that fits you best!

All GMC Sierra 1500 trims come standard with GMC Pro Safety.

PRO

• Offers a Turbo Max engine with 8 speed automatic transmission, 310 HP and 430lb-ft. of torque.
• 12V front power outlet and 12 cargo tie downs.
• Power train limited warranty comes standard.

Available features: 5.3L V8 engine with 10 speed automatic transmission, Graphite edition and 10 -way powered driver’s seat.

SLE

• Offers a Turbo Max engine with 8 speed automatic transmission, 310 HP and 430lb-ft. of torque.
• 12V front power outlet and 12 cargo tie downs.
• Power train limited warranty comes standard.
• 13” touch screen and a 12” driver information center.
• 10-way powered driver’s seat, heated steering wheel and heated front seats.
• Auto-locking rear differential.

Available features: Duramax 3.0L Turbo diesel engine with 10 speed automatic transmission and Carbon Pro composite bed.

Elevation 

• Offers a Turbo Max engine with 8 speed automatic transmission, 310 HP and 430lb-ft. of torque.
• 12V front power outlet and 12 cargo tie downs.
• Power train limited warranty comes standard.
• 13” touch screen and a 12” driver information center.
• 10-way powered driver’s seat, heated steering wheel and heated front seats.
• Auto-locking rear differential.
• Monochromatic exterior and LED fog lamps.
• 20” gloss black painted aluminum wheels.

Available features: Duramax 3.0L Turbo diesel engine with 10 speed automatic transmission, Carbon Pro composite bed, leather front seating surfaces, bucket seats in front with a wireless charging console and a power sunroof.

SLT

• Offers a 5.3L V8 gas engine with 10 speed automatic transmission.
• 13” touch screen and a 12” driver information center.
• 10-way powered and heated front seats.
• Auto-locking rear differential.
• Chrome grill, chrome handles and chrome bumpers.

Available features, Duramax 3.0L Turbo diesel engine with 10 speed automatic transmission, chrome assist steps, Carbon Pro composite bed and PRO grade trailering system.

AT4

• Offers a 3.0L Duramax Turbo diesel engine with 10 speed automatic transmission.
• 2” factory lift with off road suspension and Rancho Monotube shocks.
• Automatic locking rear differentials, two-speed autotrac transfer case and underbody skid plates.
• 13” touch screen and a 12” driver information center.
• 10-way powered and heated front seats.
• Jet black interior with Kalahari accents.
• Leather heated and ventilated front seats.

Available features, 15” head-up display and 6.2L, V8 engine with 10 speed automatic transmission.

AT4X

• Offers a 3.0L Duramax Turbo diesel engine with 10 speed automatic transmission. 
• Multimatic TM DSSV dampers.
• Front and rear electronic locking differentials.
• Steel front bumper with winch capability and a steel front approach plate.
• 2” factory lift with off road suspension and Rancho Monotube shocks.
• Automatic locking rear differentials, two-speed autotrac transfer case and underbody skid plates.
• 13” touch screen and a 12” driver information center.
• 16-way powered, heated and ventilated front seats with massage system.

Available features, ATA4 AEV edition, 15” head-up display and 6.2L V8 engine with 10 speed automatic transmission.

Denali

• Offers a 5.3L, V8 engine with 10 speed automatic transmission.
• Denali grill with a chrome header and chrome wheel assist step.
• 12-way powered, heated and ventilated, perforated leather front seat surfaces.
• 13” touch screen and a 12” driver information center.
• Bose sound system.

Available features, Carbon PRO TM composite bed and Super Cruise TM hands free driver assistance technology and Duramax 3.0L Turbo diesel engine with 10 speed automatic transmission.

Denali Ultimate

• Offers a 6.2L, V8 engine with 10 speed automatic transmission.
• Denali Vader chrome grill and 22” aluminum wheels.
• 16-way powered, heated and ventilated front seats with a massage system.
• 13” touch screen and a 12” driver information center.
• Carbon PRO TM composite bed.
• Super Cruise TM hands free driver assistance technology.
• 12 speaker Bose sound system.

Available features, Duramax 3.0L Turbo diesel engine with 10 speed automatic transmission and a camera view system.

2026 Sierra EV is offered in four trim levels: Elevation, AT4, Denali premium package and the Denali reserve package.

• two motor e4WD system with up to 760 HP, 785lb-ft. of torque.
• max trailering of 11,000 lbs. and a Prograde trailering system
• maximum of 478 estimated miles of electric range. 
• Super Cruise hands free driver assistance and selectable driving modes. 
• spacious cabin, housing a 16” infotainment system, an 11” driver information center with a 14” head-up display offered with the AT4 and Denali levels.
• front under hood storage, front power-open eTrunk, multi pro mid gate and tailgate. 
• rear camera mirror and up to 14 camera views.

The EV Denali offers high end interior and exterior designing, four-wheel steer, a panoramic glass roof with tinted glass, air ride adaptive suspension, 24” wheels with 35” tires and multiple technology features to enhance your driving safety and enjoyment.

Stop into Coffman GMC in Aurora on Lake Street and check out our inventory. We have the 2026 GMC Sierra 1500 you want, or we will help you design it. The Coffman team has been serving the Oswego and Chicago land area for over 75 years. We are a family-owned business and take pride in proving exceptional service. You should also know that we never charge a doc fee on a new vehicle. We will treat you like family, and always remember, don’t just call us…call us family.

Directions to GMC Oswego