new ertiga 2024 mileage – The Ertiga mileage is 20.3 kmpl to 26.11 km/kg. The Manual Petrol variant has a mileage of 20.51 kmpl. The Automatic Petrol variant has a mileage of 20.3 kmpl. The Manual CNG variant has a mileage . I live in Delhi so I won’t be able to answer you about hilly areas.but I own a CNG vxi version of ertiga and trust me it’s pickup and performance is way much better than many petrol cars that I .