drivability

• driveability

c. 1870 drivable +‎ -ity

drivability (uncountable)

1. The quality of being drivable, of being easy or pleasant to drive
   • 2009 January 4, Rex Roy, “Coal in Your Stocking? Fuel Up the Cadillac!”, in New York Times:

     Challenges included the engine's high internal temperatures, its thirstiness in low-speed operation and the need to improve drivability for operators accustomed to V-8 power.

• drivable
• drivably
• walkable