2026 GMC Sierra 2500HD Denali Ultimate

New 2026 GMC Sierra 2500 HD Denali Ultimate 4WD for Sale in Concord CA<br><br>This new 2026 GMC Sierra 2500 HD Denali Ultimate Crew Cab 4WD brings premium heavy-duty capability advanced trailering technology and flagship Denali craftsmanship to Lehmers Concord GMC. Its 6.6L Duramax Turbo-Diesel V8 produces 470 horsepower and 975 lb-ft of torque and is paired with an Allison 10-speed automatic transmission. The result is confident low-end power for demanding towing job-site use highway travel and recreational hauling.<br><br>FEATURE HIGHLIGHTS<br><br>??? 6.6L Duramax Turbo-Diesel V8 with 470 horsepower and 975 lb-ft of torque<br>??? Allison 10-speed automatic transmission and four-wheel drive<br>??? Denali Ultimate Alpine Umber full-grain leather interior<br>??? Heated ventilated and massaging power front seats<br>??? Super Cruise hands-free driver-assistance technology<br>??? 13.4-inch GMC Premium Infotainment System with Google built-in<br>??? 15-inch multicolor Head-Up Display and Rear Camera Mirror<br>??? Bose Premium Series audio system<br>??? GMC MultiPro six-function tailgate<br><br>The Sierra 2500 HD Denali Ultimate is designed for drivers who need serious truck capability but do not want to sacrifice refinement during everyday use. Its Duramax diesel powertrain and four-wheel-drive system are well suited to heavy trailers long highway trips changing weather and outdoor destinations beyond the East Bay. The spacious Crew Cab also provides practical passenger room for family clients or coworkers.<br><br>Inside the Denali Ultimate cabin features Alpine Umber full-grain leather seating authentic open-pore wood and patterned aluminum trim. Heated ventilated and massaging front seats help reduce fatigue during long days behind the wheel while heated rear outboard seats dual-zone automatic climate control and a heated steering wheel add comfort throughout the cabin.<br><br>The 13.4-inch touchscreen and 12.3-inch Driver Information Center provide clear access to navigation compatible smartphone features vehicle s