The HE791 Maxx by Helo and the MR118 by Motegi Racing are two highly rated 20-inch rims. As of December 2015, both are available at Amazon and have high customer ratings.
Amazon offers a tool that can check whether or not the rims fit your vehicle. Select a year, the make and the model of your car from the drop-down lists above the listing, and click Check Fit.
Although both rims are black, the HE791 features a gloss finish, whereas the MR118 is in matte black. Both rims come with lifetime structural warranty and a one-year warranty against peeling or lifting of the finish. Amazon warns that the pictures show the design of the rims and not the bolt pattern.