Which used car should be buyed?

I want to buy used car with 5-6 lac. Whuch car would be best for me. My daily running is 50 km. I already owes a honda city 2004 model, help me to find out any deisel car for day to day ride and with low maintainence cost. Relevance are octavia, honda city petrol new, honda civic, i20, optra magnum

"buyed"? Really? Do you realize how fu(king stupid you sound?