How to Store Your Car Long-Term: Complete Guide

Why Long-Term Car Storage Matters

Whether you are deploying overseas, spending the winter in a warmer climate, or simply have a vehicle you only drive part of the year, long-term car storage requires more thought than parking in your driveway and walking away. Improper storage can lead to dead batteries, flat-spotted tires, pest damage, and corrosion that costs thousands to repair.

This guide walks you through every step of storing your car for one month or longer, so it comes out of storage in the same condition it went in.

Step 1: Choose the Right Storage Facility

The facility you choose is the single biggest factor in how well your car weathers long-term storage. Here is what to evaluate:

• Indoor vs. outdoor storage: Indoor storage protects against UV damage, weather, and temperature swings. If you are storing for more than three months, indoor storage is almost always worth the premium.
• Climate control: For classic, exotic, or high-value vehicles, climate-controlled facilities maintain stable temperature and humidity levels that prevent condensation, mold, and rubber degradation.
• Security: Look for 24/7 surveillance cameras, gated access, alarm systems, and on-site staff. Ask about their insurance policy and whether your vehicle is covered while on the premises.
• Access policy: Some facilities allow 24-hour access; others have restricted hours. Make sure the policy works for your schedule.

Use AutoVault's directory to compare facilities near you by price, amenities, and reviews from other car owners.

Step 2: Prepare Your Car Before Storage

Wash and Detail Thoroughly

Bird droppings, tree sap, and road grime become much harder to remove after sitting for weeks. Wash the exterior, clean the interior, and apply a coat of quality wax. Clean and condition leather seats to prevent cracking.

Change the Oil and Fluids

Used oil contains contaminants that can corrode engine internals over time. Change the oil and filter before storage. Top off coolant, brake fluid, and windshield washer fluid as well.

Fill the Gas Tank and Add Stabilizer

A full tank minimizes the air space where condensation can form. Add a fuel stabilizer according to the product directions, then run the engine for a few minutes to circulate the treated fuel through the entire system.

Protect the Battery

A battery left unattended for months will drain and may become permanently damaged. You have two options:

• Battery tender: Connect a trickle charger or battery maintainer to keep the battery at optimal charge. Many storage facilities offer outlets or battery tender hookups as an amenity.
• Disconnect the battery: If a tender is not available, disconnect the negative terminal. Note that this will reset your clock, radio presets, and some electronic settings.

Inflate Tires to the Recommended Pressure

Tires lose pressure over time and can develop flat spots from sitting in one position. Inflate them to the upper end of the manufacturer's recommended range. For storage lasting six months or more, consider placing the car on jack stands to take the weight off the tires entirely.

Prevent Pest Intrusion

Mice and other rodents love to nest in stored vehicles and chew on wiring. Place dryer sheets or cotton balls soaked in peppermint oil inside the cabin and engine bay. Seal the exhaust pipe and air intake with steel wool or aluminum foil.

Step 3: Maintain Your Car During Storage

Long-term storage is not entirely hands-off. Build these checks into your routine:

• Monthly battery check: If you are not using a tender, visit the facility and start the car for 10 to 15 minutes to recharge the battery and circulate fluids.
• Tire inspection: Check tire pressure monthly and look for flat spots.
• Visual inspection: Look for signs of leaks, pest activity, or moisture buildup.
• Cover check: If you are using a car cover, make sure it has not shifted or trapped moisture underneath.

Step 4: Use the Right Car Cover

Even in indoor storage, a breathable car cover protects against dust, minor dings, and UV exposure from overhead lighting. Avoid plastic tarps or non-breathable covers, which trap moisture and promote mold growth. Custom-fit covers provide the best protection and are less likely to shift.

Step 5: Getting Your Car Road-Ready Again

When it is time to bring your car out of storage, resist the urge to simply turn the key and drive off. Follow this checklist:

• Reconnect the battery or remove the tender.
• Check all fluid levels and top off as needed.
• Inspect tires for pressure and flat spots. Drive slowly for the first few miles to allow flat spots to work themselves out.
• Remove any pest deterrents from the exhaust, air intake, and cabin.
• Check under the hood for any signs of rodent damage to wiring or hoses.
• Test all lights, brakes, and signals before driving on public roads.
• Inspect the brakes. Rotors may have a light surface rust from sitting, which is normal and will clear after a few gentle stops.

How Much Does Long-Term Car Storage Cost?

Costs vary widely depending on your location, storage type, and the level of service provided. As a general guide:

• Outdoor storage: $50 to $100 per month
• Indoor storage: $100 to $450 per month
• Climate-controlled storage: $150 to $600 per month
• Luxury or concierge storage: $500 to $2,000+ per month

Many facilities offer discounts for long-term commitments of six months or more. Search AutoVault to compare pricing in your area.

Common Long-Term Storage Mistakes to Avoid

• Engaging the parking brake: Brake pads can bond to the rotors over time. Use wheel chocks instead.
• Skipping the oil change: Old oil contains acids and moisture that corrode internal engine surfaces.
• Ignoring insurance: Check with your insurer about switching to a comprehensive-only policy during storage to save on premiums while maintaining protection against theft and damage.
• Storing on dirt or grass: Moisture from the ground accelerates undercarriage rust. Always store on a paved or sealed surface.

Final Thoughts

Long-term car storage does not have to be stressful. With proper preparation, the right facility, and a simple maintenance routine, your car will be ready to drive the moment you need it. Take the time to do it right, and you will avoid costly repairs down the road.

Ready to find a storage facility? Browse car storage facilities on AutoVault to compare options near you.