First details regarding of the upcoming 3rd generation Moto E have surfaced thanks to import documents on Zauba. Codenamed "Affinity", the phone is listed to have a 5" display and a price of just $78. While it's clear that this price isn't the device's retail one, it's an indication that the "Affinity" is a low-budget device. The current Moto E (2nd gen) sports a 4.5" display, so the upcoming model will presumably grow in size. Presumably, the Moto E (3rd gen) will be larger in order to accommodate a fingerprint scanner. As a Lenovo exec said earlier in January, all 2016 Moto...
Source: http://www.gsmarena.com/motorola_affinity_goes_under_testing_could_be_the_3rd_gen_moto_e-news-17899.php