I've been using an Odyssey 925 in the Miata with no issues. It gets driven mostly on the weekends and a few times during the week but stays on a B&D 2 amp tender when not driven. I've had this setup for about 6 months so far and it works great for my particular situation with a 3rd car.
I got 7 years out of my 2010 6V Red Top in the Porsche which I replaced with another and recently purchased a 12V Red Top for the Bus. Battery is more expensive than standard but getting 7+ years vs 4 makes it worth while.
The Optima in my Infiniti is 10 years old and still going strong but I've read so many bad things about them recently, I would be hesitant to buy another one.
I have a red top in my 4 motion b6 Passat. I have not had any electrical issues. As long as the optima matches or exceeds the oem battery cca you’ll be fine.
We have one in our 2007 and it has been going strong for almost 7 years.
Optima battery recommended. Expensive but large capacity for emergencies.
I have become a BIG fan of yellow top optima batteries. Mine tests out OVER 1000 CCA (only about a year old) sealed- Acid can never leak out. Deep cycle, you can run it dead without damage. Good warranty, The the batteries are built to take extreme vibrations, and have a superior design to connect the plates inside with a more solid connection.
So, I replaced it with a new optima battery anyways. Still have the issue.... Moved onto the car alternator. Tested it with my DVOM and it was giving out 13.7V at idle.
Optima batteries have taken a hit in quality in recent years.
Optima batteries have been objectively awful for years. Don't buy them.
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