Solved: Hello, would gladly appreciate any help with a Journal entry for purchase of new Vehicle. We guide sellers through the entire process, from the letter of intent to closing and any follow-up issues.Negotiating the Deal. I purchased a Fixed asset (Car) but part of the purchase was a tradein of a previous fixed asset (also a Car). In Dynamics GP, there is no specific functionality though which you can tradein an old asset for the purchase of a new asset. The sale of a trade or business for a lump sum is considered a sale of each individual asset rather than of a single asset. This video will show you how to calculate and post the journal entries on a vehicle trade-in. Create a new fixed asset account, for the new vehicle and and a new fixed asset sub account for accumulated depreciation.