If an RV has been stored for a long time, tire replacement depends on more than just how much tread is left. In many cases, the biggest concern is age, not mileage. RV tires can look decent on the outside while the rubber inside has already started to dry out, harden, or crack from sitting in one place for months or years. If the tires are six to seven years old or older, many owners start getting cautious, and once they are around 10 years old, replacement is often recommended regardless of appearance. That said, the exact timing can vary based on the tire brand, storage conditions, sunlight exposure, inflation level, and how well the RV was maintained.
Before deciding, inspect each tire closely. Look for sidewall cracks, weather checking, bulges, uneven wear, cuts, and any spots where the rubber feels brittle. Check the DOT date code on the sidewall so you know the tire’s actual age. If the RV sat for a long time with low air pressure, there may also be internal damage that you can’t see just by looking. Flat spots from storage can sometimes smooth out after driving, but if the tire was badly deformed or exposed to the elements, that is a different story.
It also helps to think about how the RV was stored. Tires stored indoors, out of direct sun, and kept properly inflated usually age better than tires parked outside on hot pavement. Still, even good storage does not make tires last forever. If you notice any sidewall cracking, dry rot, or vibration once you start driving, that is a strong sign to stop and have them checked. For an RV, it is usually better to replace tires a little early than to risk a blowout on the highway.
A tire shop that understands RVs can inspect them and tell you whether the tires are still serviceable, but I would not rely on appearance alone. If the tires are old enough that you’re even asking the question, they are probably worth a very careful look. When in doubt, replacing them before a trip is usually the safer move.
