you should get a car loan of 70% of your car on road price with any psu bank with lowest interest rates and minimal charges, it'll be around 7.70 to 8% interest rates and .25 to 1 processing fee, if your credit score is more than 750. Make 30% upfront down payment and invest excess amount to liquid mutual fund (goes around 7-7.25% interest p.a) and start swp(systematic withdrawal plan) 2-3 days before your monthly emi date for seamless emi payments.