Dart is totalled.. now what ?
Do not accept their offer. I had this issue couple years ago when someone ran a red light and totalled out my sons 66 Mustang....
I had all my receipts and surfed the internet for cars for sale in the condition mine was in within 750 miles of my address.
My car needed alot of work as we hadn't started on any body work and were half way through the interior..but 6 cyl motor was top notch. Got them from 1800 up to 5500.00 for the car and then bought it back for about the same salvage amount and got all my parts back again. Unfortunately his frame was seriously damaged so not salvageable. Good luck and let them know they aren't going to walk all over you....
Also if you have to buy another vehicle make sure you get reimbursed for the sales tax on the new vehicle up to the claim amount. They have to make you whole for everything you are reasonably out.
Almost forgot...if they do fix it make sure you get reimbursed for the difference in value between before the wreck and what the value is repaired.