"Small turbo" refers to a compact device that uses exhaust gases from an engine to compress air and supply it to the engine's combustion chamber, thus increasing its power and performance. Full definition
About engine line - up, 7 - speed dual clutch transmission will be available at launch besides a choice of gasoline direct injection and diesel engines, plus small turbo engines. (thekoreancarblog.com)
Toyota News: Toyota Not Following Everyone Else With Small Turbo Engines, Sticking With Large Displacement Engines (cheersandgears.com)
With it, the Venza takes off with none of the lag of smaller turbo engines, and it pulls with muscle all the way to redline. (bestride.com)