2025 Suburban Duramax Release Date. The 2025 chevrolet suburban carries over most of the engine and transmission choices from the 2023 model year, but replaces the lm2 duramax engine option with the new. A styling refresh and some interior improvements give the 2025 suburban a fresh look.

The 2025 chevrolet suburban carries over most of the engine and transmission choices from the 2023 model year, but replaces the lm2 duramax engine option with the new. A styling refresh and some interior improvements give the 2025 suburban a fresh look.