Trend to Longer Oil Change Intervals Continues

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The tra­di­tion­al 3K-mile oil change inter­val has become a thing of the past for oth­er than severe dri­ving con­di­tions. Man­u­fac­tur­ers have extend­ed inter­vals to take advan­tage of bet­ter oils and engines. Many have added com­put­er mon­i­tored sen­sors to take the guess­work out of oil changes, telling dri­vers when the time is right. Notably, Toy­ota has stepped back to 5K-miles inter­val from 7.5K, prob­a­bly in reac­tion to its wide­spread engine sludge prob­lems and sig­nif­i­cant war­ran­ty costs.

Background
Shell Lubri­cants owns Quak­er State, Pennzoil oil brands
Oper­ates Jiffy Lube oil-change chain
Long ago aban­doned cor­po­ratewide 3K mile oil-change mes­sage