Car covers for winter in New Hampshire?

I need to store my Mazdaspeed 3 outside for the winter and am shopping for car covers. Living in New Hampshire, inclement weather (snow, sleet, freezing rain, low temperatures, etc.) is a given. I've looked at the top four sites that come up in my Google searches and they all offer about the same selection. Each has 5 price points with similar features at each price point. Any suggestions? How about less expensive generically sized covers from the various parts chains?

I've had reasonably luck with California Car Covers. That said, under harsh winter conditions, while the cover will protect the car, it seems to do so in a sacrificial role. Don't expect to get more than two or three seasons out of one, regardless of cost.

There's a company in the UK that makes an outdoor car storage bag that looks pretty awesome. For $1,800 plus shipping, though, I suspect you could probably just rent indoor climate controlled storage...

I'd use a cover meant for a car i.e.: soft lining etc. of choice then tarp it with one or two large blue tarps using long zip-ties through the most appropriate holes to cinch it tight around the tires and under the bumpers.

That'll protect the car and protect the expensive car cover too.

I'd be inclined to leave it without a cover. The snow isn't going to hurt the car (it's the slush and salt when driving a car in the winter that causes damage) and a cover is going to 1) hold moisture against the body and 2) rub against the body when the wind blows. I stored a car once outside for the winter here in Minnesota, and it was none the worse for wear in the spring.

Best thing is to lay down a rubber or heavy plastic on the ground with a center rib to pitch the melt way from the car. I'd leave the car up on blocks uncovered. Anything to try to cover will wear on the finishes. Snow and rain are fine. The rubber underneath will protect the underside from ground moisture.

don't forget to plug the exhaust Plastic rattle can top and tape. Plug the air cleaner inlet as well mice seem to love air filters.

In reply to wae:

...for several years.