Google's next smartphones will not be released until October 15 according to a UK retailer listing, despite their announcement on September 30. Google has stated the Pixel 5 and Pixel 4a (5G) the two devices will be available to pre-order simultaneously, while the BT listing also confirms that the Pixel 4a (5G) will start at £499 with 128 GB of storage.
https://www.notebookcheck.net/Google-Pixel-5-and-Pixel-4a-5G-release-date-of-October-15-offered-by-UK-retailer.495001.0.html