How often should the spark plugs be replaced for the Buick Excelle?

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Buick Excelle spark plug replacement intervals vary depending on the material of the spark plugs: 1. Conventional spark plugs need replacement approximately every 30,000 kilometers; 2. Platinum spark plugs should be replaced around 60,000 kilometers; 3. Iridium spark plugs require replacement at about 80,000 kilometers. Spark plugs are crucial components in a gasoline engine's ignition system, which introduce high voltage electricity into the combustion chamber and generate sparks by jumping the electrode gap, thereby igniting the combustible mixture in the cylinder. The Buick Excelle is a compact car under SAIC-GM Buick. Taking the 2021 Buick Excelle as an example, its body dimensions are: length 4609 mm, width 1798 mm, height 1486 mm, with a wheelbase of 2640 mm.