2025 Tahoe Diesel Review. There’s little new under the hood of the tahoe and suburban for 2025, save for the addition of a duramax diesel option (providing 305 hp and 480 torques) in the z71 trim. It gets a more powerful diesel engine for 2025.
The 2025 tahoe and suburban have three engines to pick from. For 2025, the tahoe is available with an updated duramax turbodiesel engine.