The Hyundai Grand i10 Nios delivers varying fuel efficiency depending on the fuel type and transmission. Petrol models offer up to 18 kmpl, while the CNG variants achieve an impressive ARAI-rated mileage of up to 27 km/kg.

The Hyundai Grand i10 Nios typically holds a 2-star rating for adult and child occupant protection according to Global NCAP tests, indicating basic safety. However, in some regional tests, such as in Africa, it received a 0-star rating for adult protection due to structural instability and limited safety features.

The Hyundai i10 comes with a fuel tank capacity of 35 litres for older standard models, while the newer Grand i10 Nios features a slightly larger 37-litre tank. Pre-2017 models, like the Grand i10 Magna, were equipped with a 43-litre fuel tank.

The Hyundai i10, including the Grand i10 and Grand i10 Nios, is a 5-seater hatchback. It can carry five passengers, though it is most comfortable for four adults, as the rear seat may feel cramped for three on longer trips.

The Hyundai Grand i10 Nios comes standard with 6 airbags across all variants. This safety setup includes driver, front passenger, side, and curtain airbags, ensuring comprehensive protection for everyone on board.

The Hyundai i10, including the Grand i10 and Grand i10 Nios, offers a ground clearance of around 165 mm. This clearance is consistent across most models and helps the car handle Indian roads, including potholes and speed breakers, with ease.

The Hyundai Grand i10 Nios provides a boot space of 260 litres, enough to hold small to medium-sized suitcases. Folding the rear seats can further increase cargo capacity, making it practical for city driving and short trips.