Buying a new car is always a challenging task. So I would suggest that before investing your hard earned money, you should visit Suzuki and FAW show rooms in person and see both the cars. Like capsat has suggested that a test drive would be the best.
Suzuki Swift is a proven design and is sold worldwide although the model being sold here is still the original shape that was launched in 2005 all over the world. However, the version sold in Pakistan has less features and a comparatively higher price than the FAW V2.
The V2 is yet not so popular in Pakistan and has yet to create a niche for itself here. The features are good keeping the price in view and I would suggest that you go through the following thread to get a better idea https://www.pakwheels.com/forums/v2/246076-faw-v2-owners-review
Hope you can make the right decision.