What to Pay Attention to When Changing from 18-inch to 19-inch Wheels?

1 Answers
BellaFitz
07/24/25 8:02pm
When changing car tires from 18-inch to 19-inch, it is possible to only replace the tires without changing the wheels. Generally, wheel modifications should not involve too large a span, such as directly upgrading from 18-inch to 19-inch wheels. To maintain the tire circumference as much as possible, tires with a lower aspect ratio must be selected, which can reduce vehicle comfort. Additionally, larger wheels can lead to increased tire noise and fuel consumption, and in severe cases, may even cause wear and tear on the vehicle. Relevant information is as follows: 1. Compatibility: However, whether this affects severe consequences (such as malfunctions or safety hazards) during actual driving or other unpredictable factors cannot be determined. Increasing the size (height) and changing the wheels requires replacing the corresponding tires. 2. Wheel Impact: After changing the wheels, the size (height) is undoubtedly increased. Due to changes in the tire section width or aspect ratio, fuel consumption may increase. With taller wheels, the center of gravity rises, affecting the vehicle's balance and steering. This can lead to insufficient steering (left or right angles), reduced steering angles, heavier steering, and other abnormalities. 3. Size: Increasing the size may interfere with the operation of other components, leading to potential issues such as noise, jamming (contact interference), etc., which can affect safety performance.
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