We integrate the Response Time Analysis (RTA) with offsets for mixed messages in Controller Area Network (CAN), where the CAN controllers implement abortable transmit buffers, with the MPS-CAN analyzer. Mixed messages are partly periodic and partly sporadic. They are implemented by several higher-level protocols for CAN that are used in the automotive industry. MPS-CAN analyzer is a free tool that supports several other existing RTA for periodic, sporadic and mixed messages in CAN. We perform extensive evaluation of the newly integrated analysis profile. Using the analyzer, we also perform a detailed comparative evaluation of various RTA for CAN.