Most RV owners check tire tread depth religiously but completely ignore the manufacturing date stamped on the sidewall. RV tires have a functional lifespan that’s measured in years, not miles, because they spend most of their time parked and exposed to UV radiation, ozone, and temperature cycling that degrades rubber compounds over time.
The industry standard recommendation is to replace RV tires every five to seven years regardless of tread depth, but this varies significantly based on storage conditions and usage patterns. Tires stored in direct sunlight age faster than those kept covered or in shaded areas. The four-digit date code on the sidewall tells you the week and year of manufacture — for example, “2318” means the 23rd week of 2018.
What catches many owners off-guard is discovering that brand-new RVs sometimes come with tires that are already two or three years old. Manufacturers and dealers don’t always rotate their tire inventory, so a 2024 model RV might roll off the lot with tires manufactured in 2021 or 2022. This isn’t necessarily a problem if you know about it, but it does affect your replacement timeline.
The practical impact is significant: a blowout caused by age-related tire failure can damage wheel wells, fenders, or slide-outs in ways that far exceed the cost of preventive replacement. Experienced owners factor tire age into their maintenance schedules and budget planning, treating it as a predictable expense rather than an unexpected breakdown.