2020 Gmc Sierra Hd At4 Top Speed Pricing and which one to buy. the price of the 2020 gmc sierra 2500hd 3500 hd starts at $37,395 and goes up to $65,895 depending on the trim and options. sierra 2500hd. sierra 3500hd cc. sierra. The 2020 gmc sierra hd at4 seems like a better overall package when compared to the light duty, 2019 sierra at4. the new 10 speed allison transmission covers up for the fact that gmc missed the.
2020 Gmc Sierra Hd At4 Top Speed Although not nearly as quiet in operation as the sierra 1500's optional duramax 3.0 liter inline six turbo diesel, the hd's $9750 upgrade engine is suitably refined and brings seemingly endless. The powertrains of the new gmcs received special attention too. every sierra hd (at4 and denali included) comes standard with an all new 401 hp 6.6 liter v8 paired to the six speed automatic. the. The 2020 gmc sierra 2500hd is available with two engine and transmission combinations. the base mill is a 6.6 liter gasoline v 8 producing 401 hp and 464 lb ft, clear improvements over the. Detailed specs and features for the used 2020 gmc sierra 2500hd at4 including dimensions, horsepower, engine, capacity, fuel economy, transmission, engine type, cylinders, drivetrain and more.
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