It's impossible to say without seeing pics...But these are often easily written off. If it is written off you could probably buy it back from the insurance company for cheap then just get it fixed on the cheap. I don't do any body work so I'd let a decent shop tackle the metal reshaping and paint job but as for the airbags and other parts that need to be replaced, just buy used and replace them yourself. It's pretty straightforward stuff for the most part.
The last Mirage I repaired had both driver wheel and knee bags blow off. I replaced them and the airbag module but had to download the vin or some file from the original module then program it into the replacement(used) module. Then I discovered that both front seatbelt pretensioners were blown off so I had to hunt for 2 seatbelts as well...
Working with airbags is pretty idiot proof, stories of them magically blowing off are fairy tales in my opinion.
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View my fuel log 2014 Mirage SE wussie cvt edition. 1.2 automatic: 37.7 mpg (US) ... 16.0 km/L ... 6.2 L/100 km ... 45.3 mpg (Imp)