Performance & Powertrain
The standard engine in the 2027 Tahoe is the 5.3L EcoTec3 V8 with Dynamic Fuel Management, producing 355 hp and 383 lb-ft of torque. It pairs with a 10-speed Allison automatic transmission. RWD models deliver 15 city / 20 highway / 17 combined MPG on regular 87-octane fuel. 4WD models return 14 city / 18 highway / 16 combined MPG.
The 6.2L EcoTec3 V8 is available on RST, Premier, and High Country, and is standard on High Country 4WD. It requires 91-octane premium fuel. The Duramax 3.0L Turbo-Diesel is also available on LT and above trims, running on TOP TIER Diesel.
Towing capacity reaches 8,400 lbs. The Z71's standard Autotrac 2-speed transfer case, skid plates, and optional Adaptive Air Ride suspension make it the most capable variant for off-pavement use. Ground clearance is 7.9 inches.









