Both the Moto G6 and Moto G6 Plus are about to receive a serving of the Pie. Separate reports on XDA forums tell us the phones are ready for Android Pie. The Moto G6 Plus is getting a soak test in Brazil while the Moto G6 has been leaked recently. Android 9 Pie can actually be installed although it’s still on beta. Motorola may not be ahead of the competition in terms of sales and in receiving OS updates but don’t worry, Android 9 is almost ready.
Those under the Android One program usually receives Android updates faster but there may be limits to the changes and improvements. The soak test mentioned can be downloaded and installed now.
You may want to check the leaked beta for phones currently running on Android Oreo OPSS27.82-87-3 firmware. Take note of the minimum requirement before you attempt to install Android 9.0 Pie.
Download the Android Pie OTA update from HERE. Transfer to the root of your phone’s internal storage. Check Settings> Apps & notifications > Show all apps. Click the 3-dot menu> show system app>. The Motorola Update Services app must have storage permission then go to Settings > system updates> check for update. You should see the newest Android Pie update.