buyin a car in houston

hello

i live in houston and i wanna buy a car. At the beginning i wanna say i dont have any idea about cars. i am new to houston and USA

I will use for doordash, i am not a good driver and i am looking for a cheaper best car

these are alternatives.

Mercedes e350 – 2013- 130k mile .6300 USD inside cosmetics of car is not good but mechanics are in good condition. It is mercedes. but people say spare parts and repairing will expensive. need to change tires and cost for some cosmtrics. they say it donest lose value

nissan altimo- 2010 – 160k mile – 4500 usd – mecanizm is good and insode and outsode of this car is so clean .

toyota pirus – 2008- 160k mile – 6000usd. from my friend and it is so clean

which one do you prefer and what are your comments

thanks in advance