New 2023 GMC Sierra AT4 Crew Cab Diesel 2500 HD
Arriving in December to American Vehicle Sales.
New 2024 GMC Sierra AT4, crew cab turbo diesel 2500.
Firstly, new additions to the model. Enhanced 6.6 Litre Duramax V8 Diesel engine. 10 Speed Allison automatic transmission. Additionally, 470 Horsepower and 975 pound foot torque.
Adding an updated turbocharger and new cylinder heads for greater cooling. 220 Amp alternator on this AT4. Also add rain sensing wipers.
AT4 Premium plus package. Comes with power sunroof, 15″ heads up display, adaptive cruise. Heated and cooled front driver and passenger seats.
Also, power retractable side steps, with LED perimeter lighting.
Add 20” Black aluminum wheels and a host of other options.
Contact us for more information on the new GMC Sierra AT4.