CNG cars in India cater to buyers looking for low running costs, making them a popular alternative to diesel. In fact, CNG vehicles have replaced diesel options in some segments. However, CNG cars are generally limited to the affordable segment, with models like Maruti Suzuki Alto, Maruti Suzuki WagonR, and Tata Punch seeing high demand for their CNG variants. Other best CNG cars in India include Maruti Suzuki Swift, Hyundai Exter, and Tata Tiago. While new CNG cars keep entering the market, upcoming CNG cars will likely remain within the budget segment.