As pictured, black rims and center caps. Thanks to another poster for the info. I have 20" rims on my T-Reg now.

VW Wheel Part Numbers / Equivalents: 7L6601025K, 7L6601025K8Z8, 7L6601025BJ8Z8,
--- Width: 18x8 in
--- Lug Pattern: 5x130 mm
--- Center Bore: 71.5 mm
--- Offset: 57mm