Either you drive a luxury car or think of cheap spare parts and low maintaince car.
V2 is a 1300cc car which comes with euro 4 efi engine, which means a maintaince free car. Just buy n drive. All you need to do is change the oil on 1000, and then after every 5000. Swift is the only car that is competing with it at this point in time but V2 still has more to offer. As far as sound system is concerned comes at a cheaper price than 4 wheels of Wagon R. Choice is yours, I'd suggest buy luxury drive luxury. But please don't compare it with alto again. Alto is a 1000cc with not much offerings where as V2 is a fully loaded car.