Maruti Alto now comes with an upgraded KB10 engine that has a displacement of 998cc. This 3 cylinder high powered powertrain of the New Alto can produce a max power of 68 PS at 6200 rpm and churn out a peak torque of 90 Nm at 3500 rpm. The small car comes with new 5 speed cable type transmission that helps to get more power and mileage of 20.2 kmpl, according to the company.
The older version of Maruti Alto comes with a displacement of 796 cc. The engine in Maruti Alto is endowed with a 5 Speed Manual Transmission. This gearbox comes with a cable type gearshift which is of great help while shifting gears. Maruti Alto is packed with MPFI (Multi Point Fuel Injection) fuel supply system which offers great mileage and thus proves economical to run on roads. Maruti Alto's BS IV compliant engine is equipped with more power and is eco-friendly as well. This highly powerful engine of Maruti Alto is very fuel efficient. The manual gearbox is also a very good performer and offers an impressive mileage of 14.6 kmpl in the city and 18.9 kmpl on the highways.
The Maruti Alto CNG is loaded with both petrol and CNG fuel system with the 796cc, 3 cylinder FC engine. The engine with the CNG fuel belts out a max power of 39.4 PS at 6200 rpm and and torque of 54 Nm at 3000 rpm. When operated on CNG fuel, the car gives a mileage of 15.6 km/kg in the city and 20.2 km/kg on highways. The i-GPI technology is a Dual Engine Control Unit that sends accurate amount of compressed gas to the mill thereby promising good mileage and performance.
Mileage of the any car depends on your driving style like braking frequency, traffic and service of the engine.
For more information about the car please open the given link as above.