For most classic car owners, winter marks a quieter season. Less time on the road, more time in the garage. But rather than see that as a negative, it’s the perfect opportunity to show your classic some TLC. Whether you’re storing your car away until spring or just cutting back on weekend drives, there’s plenty you can do to keep things ticking along and prep for the seasons ahead.

Here’s a look at some essential classic car winter prep that will not only preserve your pride and joy, but might even improve it, so you’re ready to hit the road in top shape when the weather turns again.

1. Give It a Thorough Clean (Yes, Even Though It’s Not Going Anywhere)

You’d be surprised how much damage a bit of leftover dirt or moisture can do over the winter. Before your car is tucked away for any length of time, make sure it gets a proper wash, top to bottom, inside and out.

Pay particular attention to the underside and wheel arches where road grime and salt can linger. Dry it thoroughly (compressed air or a leaf blower works wonders) and consider applying a fresh layer of wax or ceramic protection to the paintwork. For interiors, give leather a treatment, hoover out crumbs, and check for any signs of moisture buildup. A dry car is a happy car.

2. Change the Oil and Filter

Even if you’re not clocking up the miles, old oil sitting in an engine can become acidic and cause internal corrosion. Swapping it out for fresh oil and a new filter before winter storage is a smart move, especially if you won’t be starting the car regularly over the colder months.

Some owners also like to turn the engine over every few weeks to circulate oil, but opinions vary on this. Just make sure you don’t leave stale oil to stew in there all winter.

3. Inspect Rubber Components and Hoses

Rubber doesn’t like cold. Over time, gaskets, seals, belts, and hoses can crack, shrink or perish, especially in older vehicles where materials may have been sitting in place for years.

Now’s a great time to do a visual inspection of all the rubber components in your engine bay and around the car. Replace anything that’s looking tired before it becomes a problem next year. The same goes for windscreen wipers, often overlooked until you really need them.

4. Charge the Battery (or Remove It Completely)

If your car isn’t going to be used for a while, the battery will eventually discharge and possibly die for good. You can avoid the frustration (and expense) by using a trickle charger or battery maintainer.

Alternatively, you can disconnect the battery and store it somewhere warm and dry. Just remember to make a note of any settings or alarm systems that might need resetting when you reconnect it later.

5. Tyre TLC

Tyres can develop flat spots if left sitting in one place for months. The ideal solution is to lift the car on axle stands to take the weight off the tyres entirely, but if that’s not possible, try inflating the tyres to a slightly higher pressure than usual and moving the car a few feet now and then to prevent one patch bearing all the load.

Also check for signs of ageing, cracking or low tread depth. You’ll thank yourself later when the sun’s out and you want to hit the road without delay.

6. Fuel System Check

Old fuel can go stale over time, particularly ethanol-blended petrol, which can separate, absorb moisture and cause corrosion. That makes this classic car winter prep check a must! You might consider adding a fuel stabiliser if the car’s staying off the road for months.

Also, take the time to check for any fuel leaks, perished lines, or ageing fuel filters. If your classic is carburetted, this is a good time to give it a look over and make sure everything’s in order.

7. Rust Prevention and Underseal Touch-Ups

Rust is the silent killer of classic cars. Even the smallest patch of surface corrosion can spread over the winter, especially if moisture is left to linger in hidden places. Once your car is dry, inspect the usual rust-prone areas: floorpans, sills, wheel arches, boot floor, jacking points, and treat anything suspect.

If you’ve got access to a ramp or inspection pit, this is a brilliant time to touch up your underseal or apply a rust inhibitor. Prevention is a lot cheaper (and less heart-breaking) than a full panel replacement.

8. Plan Your 2026 Mods or Upgrades

If you’ve got a winter-long itch to scratch, start planning any modifications or improvements you’ve been dreaming about. Whether it’s fitting disc brakes, upgrading your interior, or even installing a period-correct radio, now is your moment.

With more time than road trips ahead, you can take things slow and do the job properly, rather than rushing it mid-season. Plus, classic car parts are easier to source than ever online, and you’ll beat the springtime rush.

9. Check and Grease All Moving Parts

From door hinges to throttle linkages and handbrakes, winter is a good time to check that everything still moves as it should. Use lithium grease or copper slip where needed, and don’t forget to spin the wheels and listen for any odd noises or stiffness.

It’s a simple task, but one that can keep your car feeling fresh and responsive.

10. Get It Covered (Literally)

Finally, make sure your car is properly protected from the elements. If it’s stored indoors, a breathable indoor car cover can help fend off dust, knocks and moisture buildup. If it’s outdoors, invest in a high-quality, weatherproof cover, but make sure it’s still breathable to prevent condensation forming underneath.

No cover? Even a tarp is better than nothing, but be aware it can trap moisture if not used carefully. Better yet, consider a portable car tent or storage bubble if space and budget allow.

Caring for your classic car over winter isn’t just about preservation, it’s about pride of ownership. By ticking off these jobs now from our classic car winter prep list, you’ll avoid costly surprises later and keep your pride and joy ready for the open road next spring.

Whether you’re a long-time enthusiast or a first-time owner, winter can be a season of progress. So put the kettle on, grab a spanner, and enjoy some quality garage time.