850 T-5R or 850R where is the difference

Hello guys Short introduction Name Vlado 36 years old Now I have bought a Volvo quite spontaneously now,in Volvo segment I am absolutely new I have already driven anything but Volvo never before. The car was already standing a long time in the garage Did it buy something to cheer it up. There is some work on it but for 200 euros think I could not have done anything wrong or? he stood up 1 year!! battery charged and he jumped immediately. and also the test drive was now to the data in vehicle papers is in manufacturer’s name 850 T-5R WW.850R (so what now) vehicle identification no.YV1LW5806T2242811 code to 2.1 (9101) 2.2 (4970217) Can anyone do anything with it? What did I buy??? 850 T-5R or 850R EZ 10.05.1996 166KW (Automatics) Thank you in advance