Based on your situation, budget for new floor mats at least once a year. Carry spare towels for your kid (and his buddies that invariably need rides) to sit on after a rainy practice. Keep a big plastic tray in the trunk for dirty gear. You should be fine.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma