"Total horsepower" refers to the combined power output of all the engines or motors in a vehicle or machinery. It represents the overall strength of the vehicle's engine or the total power that can be generated by a set of motors. Full definition
The engine in today's model is 20 percent lighter (and offers 20 percent more total horsepower) than the original. (fortune.com)
Total horsepower output is 573 with 476 pound - feet of torque, and fuel economy is EPA - rated at 21 mpg city and 22 mpg highway. (chicagoautoshow.com)
A Hybrid trim is available which adds an electric motor for total horsepower of 160 and 34/30 cty / hwy MPG. (usedcarsgroup.com)