Benchmarking
Benchmarking involves a structured comparison between similar products, services or processes on some dimensions of performance. For example it can be used to compare the availability and delivery of features in a product and in this form often provides the basis of consumer tests and reviews.
Passenger car suggestion of mine as follows
TATA NEXON

16-22 km/l
Ex-Showroom Price: From ₹7.4 lakhs
HYUNDAI VENUE

17-23 km/l combined
Ex-Showroom Price: From ₹6.99 lakhs
NISSAN MAGNITE

Ex-Showroom Price: From ₹5.76 lakhs
Fuel economy: 18-20 km/l combined
MARUTI SUZUKI VITARA BREZZA

Ex-Showroom Price: From ₹7.69 lakhs
Fuel economy: 17-19 km/l combined
Conclusions
Most of the suggested passenger car have an 5 seats and the price and mileage are almost equal however, safety is considered my suggestion is tata nexon. I request Pughazhyendhii to buy Tata nexon