LT Engine: Vortec engine, 8 cylinders (V8) with a 5.3-liter capacity. Horsepower: Produces approximately 320 horsepower. Transmission: 6-speed automatic (on models from 2010 onwards) for smooth performance and better fuel consumption. Drive System: Available in two options; either rear-wheel drive (2WD) or four-wheel drive (4WD). Active Fuel Management (AFM) Technology: An intelligent system that deactivates 4 cylinders when driving at constant speeds or with a light load to save fuel. 📐 Dimensions and Capacity Body Length: The Suburban is the long version (long chassis) of the Tahoe, providing giant rear storage space even with all seats in use.