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I was looking to see if there is any definitive information on how infrequent you can drive your car to keep it optimally working? For example, you have 10 cars and you want them ready and available to be driven at any time. You dont want to worry about seals getting dry, dead batteries, flat spotting tires, etc etc. 50 Miles a month, 50 miles a week, What? The reason for the minum has nothing to do with resale, just to keep the cars running perfectly, and at the drop of the dime, ready to go..
A little more info on the cars- everything from a 1940 Woody, 1967 Corvette Convertible, 1972 BMW 3.0, 1997 Porsche 993, 2012 Mercedes G63, etc etc.. Anything and everything..
2025 C8 Z06/7/E-Ray of the Year Finalist - Unmodified
2023 C3 of the Year Finalist - Unmodified
2021 C8 of the Year Finalist Unmodified
2020 Corvette of the Year Finalist (performance mods)
2019 C1 of Year Winner (performance mods)
2017 Corvette of the Year Finalist
2016 C2 of Year
2015 C3 of Year Finalist
I have a small fleet of older and newer cars. I like to drive them as often as possible. I don't think there's a definitive number of miles but, in general, I drive my older cars about 2,000 miles per year and my newer cars maybe 4 or 5,000 miles since they see more road trips.
Keeping the batteries charged up with a good tender like a C-Tek 3300 is a good idea. Regular fluid changes is also very important.
It's more than keeping the batteries charged. I think it's the length of time for each trip; you can let them sit, but then you need to drive them long enough for the engine to get hot enough to burn off the impurities in the fluids. (Before you laugh at me, I read this in a car care column in my newspaper.)
I have an older beater car that has gotten rusty from lack of being driven every day, so there's that, too. Your radiator might be the first to go.
If on battery tenders, you're probably good if you run them for 30 min. or so per month to keep tires round and fluids/seals up to snuff. Otherwise I'd run them at least every two weeks.