2025 Gmc Denali Truck. โ more on the sierra 1500 pickup truck. Sb (3.0l 6cyl turbodiesel 10a) 19 of 22 people found this review helpful.
Epa fuel economy, combined/city/highway (17/15/20) horsepower: The new 2025 gmc sierra hd pickup truck pulls your world with turbocharged power and an impressive lineup of trims that includes the first ever denali ultimate.