I shot both the glock 19 and the sigp226 and they both feel good in my hand which police trade in?

i shot both the sigp226 also the glock 19 they both feel good in my hand i was wondering is the sig has reliable and durable has the glock 19 is? im leaning more towards the sig but i think the glocks more reliable .. i know parts for the glocks are easy to get also cheap parts are the parts for the sigs easy to find and also cheap? what gun in your opinion would you go with and would the sig be reliable has a police trade in most likely? thanks for responses