maşina

/maʃina/

Cases

SingularPluralWhen to use it
nominativemaşinathe carmaşinalathe carsthe plain dictionary form — the doer of the sentence
genitivemaşinanıthe car'smaşinalanıthe cars'the owner — whose it is
accusativemaşinanıthe car (as the object)maşinalanıthe cars (as the object)a specific, known object — whom or what
dativemaşinağato the carmaşinalağato the carsdirection or recipient — to where, to whom
locativemaşinadaat / in the carmaşinaladaat / in the carswhere it is; also having — mende bar, "I have it"
ablativemaşinadanfrom the carmaşinaladanfrom the carswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mymaşinammy carmaşinalarımmy cars
yourmaşinangyour carmaşinalarıngyour cars
his / hermaşinasıhis / her carmaşinalarıhis / her cars
ourmaşinabızour carmaşinalarıbızour cars
you all'smaşinağızyou all's carmaşinalarığızyou all's cars
theirmaşinalarıtheir carmaşinalarıtheir cars

The overlap in the last rows is real, not a mistake: maşinaları can mean "his / her cars", "their car", or "their cars" — context decides.