Kia Optima: Tires and wheels / Radial-ply tires

Kia Optima DL3 2019-2021 Owner's Manual / Maintenance / Tires and wheels / Radial-ply tires

Radial-ply tires provide improved tread life, road hazard resistance and smoother high speed ride. The radial- ply tires used on this vehicle are of belted construction and are selected to complement the ride and handling characteristics of your vehicle.

Radial-ply tires have the same load carrying capacity as bias-ply or bias belted tires of the same size and use the same recommended inflation pressure. Mixing of radial-ply tires with bias-ply or bias belted tires is not recommended. Any combinations of radial-ply and bias-ply or bias belted tires when used on the same vehicle will seriously deteriorate vehicle handling. The best rule to follow is: identical radial-ply tires should always be used as a set of four.

Longer wearing tires can be more susceptible to irregular tread wear. It is very important to follow the tire rotation interval shown in this section to achieve the tread life potential of these tires. Cuts and punctures in radial-ply tires are repairable only in the tread area, because of sidewall flexing. Consult your tire dealer for radial-ply tire repairs.

All season tires, Summer tires, Snow tires
All season tires Kia specifies all season tires on some models to provide good performance for use all year round, including snowy and icy road conditions. All season tires are identified by ALL ...

Low aspect ratio tire
Low aspect ratio tires, whose aspect ratio is lower than 50, are provided for sporty looks. Because the low aspect ratio tires are optimized for handling and braking, it may be more uncomfortable ...

Other information:

Kia Optima DL3 2019-2021 Service and Repair Manual: Steering Gear Rack, Linkage and Boots


Repair procedures Inspection Steering Wheel Play Inspection 1. Turn the steering wheel so that the front wheels are facing straight ahead. 2. Measure the distance that the steering wheel can be turned without moving the fron ...

Kia Optima DL3 2019-2021 Service and Repair Manual: Alignment


Repair procedures Front Wheel Alignment    • When using a commercially available computerized wheel alignment equipment to inspect the front wheel alignment, always position the vehi ...

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