or drive·a·bil·i·ty

noun Automotive.
  1. the degree of smoothness and steadiness of acceleration of an automotive vehicle: The automatic transmission has been improved to give the new model better drivability.

Origin of drivability

First recorded in 1970–75; drive + -ability
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018