Among these include a raised driver's cab position, automatic train control (ATC), and air conditioning.

[11] On 5 April 2022, Tokyu announced that the 8500 series would end regular service in January 2023.

In August 2024, Tokyu announced that it would shorten 8500 series set 8637 to a four-car formation and preserve it to working order.

[3] A number of 8500 series trains have been resold to other operators in Japan and overseas following their withdrawal from Tokyu services.

It includes transverse seating acquired from Seibu 10000 series trains during refurbishment.

[1] Eight 8-car sets (8604, 8607*, 8608*, 8610*, 8611*, 8612*, 8613*, and 8618) were sold to KRL Jabodetabek in Indonesia between 2006 and 2009 for use on commuter services in the Jakarta area.

[1][15] The sets initially received different color schemes, but were later standardized with the same KA Commuter Jabodetabek red and yellow livery.