I drove the Grand i10 Diesel Manual for 60000 kms and it was my daily driver. I drove 50 kms daily 3 times a week with 4 person i was getting 20-22 km/l on highway and 16-19 km/l in city. The performance is great for the car of its size in the city as well as on highways as it feels stable on triple digit numbers. It is a complete package for a small family car and the maintenance is also not too high although a bit more than maruti but the difference is not that much.