2017 Audi A4 Allroad Discount %

Hi guys, I’m thinking about leasing a 2017 A4 Allroad, what would be a good discount % for one of these? I’m in SoCal.

Truecar can give you some data https://www.truecar.com/prices-new/audi/a4-pricing/2017/981E3F87/ ~15% ($6k on $40k)