The best fuel mileage cars under 45 lakhs in India are: Maruti Swift, Maruti Dzire, Tata Punch, Maruti Baleno, Tata Nexon, Hyundai Venue, Maruti Wagon R, Maruti Fronx, Maruti Alto K10, Honda Amaze, Hyundai Exter, Tata Tiago, Hyundai Grand i10 Nios, Hyundai Aura, Hyundai i20, Maruti XL6, Toyota Urban Cruiser Taisor, Toyota Rumion, Maruti Celerio, Tata Altroz, Toyota Glanza, Maruti Ignis, Nissan Magnite, Volkswagen Virtus, Hyundai Verna, Skoda Slavia, Tata Tigor, Renault Kiger, MG Comet EV, Mahindra XUV400, Honda Amaze 2nd Gen, Honda City Hybrid eHEV, Maruti Ciaz, Mahindra XUV 3XO, Honda Elevate, Renault Kwid, Citroen C3, Skoda Kylaq, Mahindra Bolero, Citroen eC3, Mahindra Marazzo, Hyundai Creta, Kia Seltos, Maruti Brezza, Tata Curvv, Honda City, Maruti Grand Vitara, Maruti Eeco, Toyota Innova Crysta, Toyota Innova Hycross, Maruti Ertiga, Maruti S-Presso, Volkswagen Taigun, Renault Triber, Skoda Kushaq, Maruti Invicto, MG ZS EV, Jeep Compass, Maruti Jimny, Citroen Aircross, Citroen Basalt, Citroen C5 Aircross, Kia Sonet, Kia Syros, Tata Tiago EV, Tata Nexon EV, Tata Punch EV, Maruti Eeco Cargo, BYD Seal, Mahindra Bolero Neo, Hyundai Venue N Line, Hyundai Creta N Line, Hyundai i20 N Line, Tata Tiago NRG, Tata Tigor EV, MINI Cooper, BYD eMax 7, BYD Atto 3, Maruti Dzire Tour S, Mahindra Bolero Neo Plus, Tata XPRES-T , Toyota Urban Cruiser Hyryder