A measure of how well a vehicle's suspension, chassis, and tires work together to keep the contact patches planted on the pavement. Good roadholding prevents the car from skidding, bouncing, or rolling excessively during high-speed turns or evasive maneuvers. It is distinct from ride quality, which focuses on passenger comfort.
Heard on the job
Stiffening the rear sway bar improved the roadholding on sweeping corners, but the ride is harsher now.