please inform

hi friends 307 hdi & nbsp; what's the difference between xr and xt, which one is better still I couldn't decide 307 sw mu hb mi sw market is said to be there is such a thing?

There are 6 airbag air conditioning abs in xr. In addition to xt, it has many more features such as rain headlight sensor, trip computer, digital air conditioner.

So how is the maintenance costs, for example, the most serious maintenance? Does it have certain chronic malfunctions?