Although many people would like to upgrade to a larger battery to take advantage of the extra range, Audi currently does not offer an Audi A3 e-tron battery upgrade.
However, if your A3 e-tron battery needs replacing and isn’t covered under Audi’s eight-year/100,000-mile battery warranty, you’re looking at an estimated cost of around $6,500 to $6,750. That covers the cost of parts, about $6,200, and labor, between $375 and $475.
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