I would be very cautious here.
I would tend to go with the first dealer making sure I kept the paper work showing that they collected the sales tax for MA. The last thing you want is to report to MA, register the vehicle and owe sales tax to both IL and MA. For that reason the second dealer would be out for me.
It may have to do with the first dealer being ...
There are websites that will give you the current price range for your car in your area. To know if you are getting a good deal use a number of the sites to get an idea about the current market. Then negotiate from there.
But if you are asking about knowing how much the value has gone up over the last few months based on the chip shortage, then you would ...
Repeating the other answers, the franchise agreements and/or state laws require all brands, except Tesla, sell through a franchised dealer.
Order vs Lot
Generally, most Americans buy a vehicle off the lot of a dealer. The online configuration tool will offer to find a similarly configured vehicle in inventory. If you do not like any of the vehicles ...
As mentioned by others, a local dealer is required for most auto brands. However, you don't have to travel to the dealership in some cases:
Systems like Toyota’s SmartPath, General Motors’ Shop.Click.Drive and
the Hyundai Drive program allow buyers to complete the entire car
searching and buying process without ever setting foot in a