The new maruti suzuki alto k10 is a good car and has increased fuel efficiency but the older one model is very much better as we compared with the design . The older model has a great look which makes it a sedan look and give the feeling of luxury car . The new model is moreover is costly than the older ones .second thing is the space in the rear seats is more in the older ones as compared to the new one . The good part of the new one is it has high roof which makes tall person comfortable
Conclusion : - at whole the old one is better if we focus on design and space
The new one is better in mileage . So according to your demand choose the best