When calculating RV ownership costs, most people budget for fuel, campgrounds, and maintenance. What nobody tells you: tire replacement alone averages $2,800 every 3-5 years—and that’s just the beginning of the “consumables” that dealers conveniently forget to mention during sales pitches.
Here’s the breakdown that shocked me: a typical Class A motorhome has 6 tires at $400-600 each, plus mounting and balancing ($100 per tire). But the real killer is the timeline—RV tires age out in 5-7 years regardless of mileage due to UV exposure and weight stress. Even if you only put 3,000 miles per year on those tires, you’re looking at $560 annually just for rubber. Add in the spare tire most people forget about, and you’re over $650/year before considering blowout damage.
The costs pile up fast when you realize what else has a hidden replacement schedule:
- Roof membrane: $1,200-3,000 every 8-12 years
- House batteries: $800-2,400 every 4-6 years (lithium lasts longer but costs 3x more upfront)
- Slide-out seals: $200-400 annually if you use them regularly
- Water pump: $150-300 every 3-4 years
Smart RVers start a “consumables fund” immediately, setting aside $150-200 monthly. One couple I know bought their dream coach for $85,000, then got blindsided by $4,200 in “maintenance” during year two—all predictable wear items the dealer never mentioned. The rule veteran RVers swear by: budget 15-20% of your RV’s value annually for these hidden consumables, separate from repairs and improvements.