OEM VW Battery lasted 7/8 years, despite me nuking it by foolishly leaving my lights on. Sad day.
Best Battery for Audi A4
We needed to replace the original German Varta battery in our '14 A4 (date code Jun '13) after the first polar vortex in early '19. OE list was $227 (non AGM), discounted to about $195 at the local Audi parts counter. Advance Auto had an equivalent H9 for about $170, but the local store only had one with a late '16 date code (and proper BEM sticker). So they sold it to me as a \"used battery\" (after running their condition test and passing) to me for $45 + tax. Two years later, so far, so good.
I have mine VARTA battery since the car was made in 2006. Works like a charm. Great Batteries.
Bosch battery from Pep Boys here in Raleigh, NC was $89. A couple lights were on the dash after I replaced it, and I called the dealer. They said after driving about 50 miles or so, all the electronics reset themselves. With tax, it cost me $96 and about 15 minutes to change the battery.... The Bosch battery I bought was actually a couple lbs lighter than the factory A4 battery as well...
You can also pick up a Bosch battery that fits for around $120 at Pep Boys. I changed out the battery on my 02 about 6 months ago and other than waiting a day for the power windows to reset there was nothing else that needed resetting.
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