Gmc Sierra 2025 Diesel 2025. Consumer guide recently spent a week behind the wheel of a 2025 gmc at4x with the standard diesel engine in sterling metallic, and equipped with the aev edition package. 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.

Research the 2025 gmc sierra 1500 diesel with our expert reviews and ratings. Explore the latest lineup and offerings.