2026 GMC Sierra 1500 in Plainfield, IL.

2026 GMC Sierra 1500 in Plainfield, IL.

Fall has arrived in Plainfield, IL. and I’m sure you have noticed the 2026 GMC Sierra 1500 light duty trucks driving through town. The Sierra is ranked best in class for towing and was built to stand up to its competitors. If you are looking for a light duty pickup, just stop in at Coffman GMC in Aurora and look over our inventory. The Coffman team is here to answer any questions and to help you find the truck that best meets your work demands and lifestyle needs. We have the Sierra you want, or we will help you design it. The Coffman team has over 75 years of experience, and we know our GMC trucks. Just stop in and we will get you in a new GMC Sierra 1500 this Fall.

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, front bucket seats 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, handles and 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.

The Sierra EV offers a two motor e4WD system with up to 760 HP, 785lb-ft. of torque and max trailering of 11,000 lbs. with a maximum of 478 estimated miles of electric range. Super Cruise hands free driver assistance, selectable driving modes, and a prograde tailoring system promote safety on the road. A 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 enhance the driving experience.  The Sierra features front under hood storage, front power-open eTrunk, multi pro mid gate and tailgate, a rear camera mirror and up to 14 camera views to ease loading and hauling cargo.

The EV Denali includes 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 and check out the 2026 GMC Sierra 1500. This Light duty truck was built to stand out against its competitors. Let us show you why. The Coffman team has proudly served the Plainfield and Chicagoland area for over 75 years. We are here to help you find the truck that best meets your needs. We also want you to know that we never charge a doc fee on a new vehicle. Let’s get you on the road in a new Sierra 1500. And always remember, don’t just call us…call us family!

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630-892-7093