Accent Executive Euro-4 CNG or New Look Swift. Review on Hyundai Accent

I am new to mouthshut. I am looking for a car costing around 5 to 6.5 lacs.It could be a Premium Hatch Back or a Midsize Car and could be a Petrol Or Diesel or CNG. I am Looking for Excellent Performance with a good Fuel Efficiency. . . My Monthly Mileage would be 1000 to 1500 KM approx. not more than that. I test Drove Maruti Suzuki Swift (Petrol and Diesel ), Ritz (Petrol), SX4 (Petrol) , Hyundai I10 Kappa 1.2 without VTVT, I 20 (Petrol) , Accent (Petrol), Ford Figo- Diesel and Chevrolet Beat . .

And Finally

Left with only two Cars : Maruti Suzuki Swift and Hyundai Accent . . .

1. Maruti Suzuki Swift Becoz.. of its Sporty Looks, Kseries-Suzuki & DDIS-Fiat Engine , Strong Service Network, Good Resale Value and many more. . . I believe this car as a King of Premium Hatchback cars, after all Its the best of Maruti Suzuki uptill now and is Excellent in Every term...

The only reason for not buying this car at this point of time is that its new model is about to hit the indian roads as it would be Bigger , Better with new interiors and I do not want my car to be considered as the old swift . .

I have read in some auto magazines and related websites . . Some says that it may come in end of this year (Diwali) and some says in starting or in Mid of next year. .

Even I spoke with the friend of mine who is working in one of the Maruti Suzuki showrooms in Delhi but he is aso not sure about the launch as there is no official update from Maruti. . .

I am Eager to know about the launch of new look Swift. . .

2: ==Hyundai Accent with CNG Kit== (Showroom Fitted) as its a mid size entry level car with Good interiors, few of my friends are using the Accent Petrol and they say that it is value for money and are quite happy with the car except Mileage , in and out . . .

It costs around 60 k more than the Petrol version. . .

I am Just looking for the Performance , mileage of this car in CNG mode and is it possible to fit a Bass Tube (JBL 1215T 12" 1100 W ) in the Boot with the CNG Kit also is it safe to do this as few of my knowns told me not to fit Bass Tube or any Music Equipment with the CNG Cylinder as it may cause problem, may catch fire in case of Gas leakage..

Hope I will get some suggestions or update from you guys. .