Final answer:
Sudden upshifts and downshifts in a car can result in inconsistent fuel economy, compromised braking performance, reduced engine power, and momentary traction loss.
Step-by-step explanation:
Sudden upshifts and downshifts in a car can have undesirable traction consequences, including:
Inconsistent fuel economy: When the car experiences sudden upshifts and downshifts, it can lead to inconsistent fuel consumption, resulting in poor fuel economy.
Compromised braking performance: Rapid shifts in gears can make it difficult for the driver to maintain control of the vehicle, affecting the car's braking performance.
Reduced engine power: Sudden upshifts or downshifts can cause a momentary loss of engine power, resulting in decreased acceleration and overall performance.
Momentary traction loss: The sudden changes in gear ratios can momentarily reduce traction between the tires and the road, leading to slips or skidding.