The accurate sentence is, "He bought a new car last month, but he doesn't really like it." It can be "he bought a new car last month."
A grammatical tense which is used to place an action or situation that occurred in the past. Examples of the past tense for verbs are: sang, went, washed, and many more.
There are four types of past tense: simple past, past perfect, past continuous, and past perfect continuous.
As a result, "He bought a new car last month" is correct.
Learn more about past tense from here:
https://brainly.com/question/15892426
#SPJ1