Toyota Innova is available with both petrol and diesel engine option. The variants of Toyota Innova which come with a petrol engine option is powered by 2.0L, 1998cc, 1TR-FE, 4 Inline Cylinder petrol engine with EFI (Electronic Fuel Injection) that offers high engine performance. The EFI (Electronic Fuel Injection) technology makes Toyota Innova highly fuel efficient and offers a mileage of 8.3kmpl in city and 12.5kmpl on the highway.
The diesel variants of Toyota Innova are powered by 2.5L, 2494cc, 2KD-FTV, Diesel With Intercooler Turbocharger, 4 Inline Cylinder and with Common-Rail Direct Injection fuel supply system. This engine, too, delivers high engine performance with excellent fuel efficiency. The mileage of the diesel variants of Toyota Innova at urban roads is 10.2kmpl while on highway it gives 13.5kmpl mileage. Toyota Innova diesel with BSIII emission norms is also available in the market. Their engines are almost same as BSIV but tuned slightly different and hence mileage is also low.