NUMBERS!...for those looking in the future:
Stock Front 18 x 8.0 ET47 // 225/40R18
Stock Rear 18 x 9.5 ET50 // 255/35R18
Rotiforms Front 19 x 8.5 ET35 // 235/35R19
Rotiforms Rear 19 x 10 ET40 // 265/35R19
Hypergram Front 18 x 8.5 ET35 // 235/40R18
--6mm more clearance than stock on inner, same as Rotiform
--18mm extended outer over stock, same as Rotiform
Hypergram Rear 18 x 9.5 ET35 // 265/35R18
--2mm more clearance than stock on inner, 11mm more clearance than Rotiform
--28mm extended outer over stock, 1mm less extended than Rotiform
Ultraform Front 18 x 8.5 ET38 // 235/40R18
--3mm more clearance than stock on inner, 3mm more clearance than Rotiform
--18mm extended outer over stock, 3mm less than Rotiform
Ultraform Rear 18x x 9.5 ET36 // 265/35R18
--1mm more clearance than stock on inner, 27mm more clearance than Rotiform
--27mm extended outer over stock, 2mm less extended than Rotiform
Front Tires:
225/40/18 - stock
--DIA 25.09"
--CIRC 78.81"
235/35/19
--DIA 25.48"
--CIRC 80.04"
235/40/18
--DIA 25.40"
--CIRC 79.80"
Rear Tires:
255/35/18 - stock
--DIA 25.03"
--CIRC 78.63"
265/35/19 (hard to find from some manufacturers)
--DIA 26.30"
--CIRC 82.63"
275/30/19 (running as of May 2019, same rims no issue)
--DIA 25.50"
--CIRC 80.10"
265/35/18
--DIA 25.30"
--CIRC 79.49"
(Hoping to run at some point)
Pirelli PZERO Slicks "DH"
Front
235/645/18
--DIA 25.40"
Rear
265/645/18
--DIA 25.40"