The average cost of a modern Comcast wireless router purchased from XFINITY is $109.98, as of June 2015, while the average cost of the same router from other online vendors is $116.74. Online vendors such as Newegg and eBay offer Comcast compatible new and refurbished wireless routers.
Amazon offers the NETGEAR WNDA4500 Router for $99.99, while XFINITY lists it for $99.98 and eBay sells a refurbished model for $49.99. Since eBay also has ongoing auctions, prices of used and refurbished can fluctuate at any time. In addition, the NETGEAR R6300 Wi-Fi Router is available through XFINITY for a cost of $119.98, whereas Amazon offers the same for $154.99 and Newegg carries it for a price of $161.99.