It depends what manufacturer you are asking about. Galpin Ford in Los Angeles is the #1 volume Ford dealer in the country. Carl Black Chevy/GMC in Kennesaw, GA is the #1 GMC trucks dealer in America.
This is the best dealer. Ace Auto Sales, (254) 778-1399 .
All Dealers should have cargo vans in stock but your best bet will be a truck dealer like GMC or a dealer that sells mostly trucks.
Texas
The United States sells the most burgers. America is obsessed with fast food.
North America
An individual may purchase Chevy Trucks at either a local Chevy dealer or an online retailer. There are multiple online retailers that sell Chevy trucks, but eBay and the Chevy website are the most dependable.
Ford F-150 has been the best selling VEHICAL for some 29 years
ford has sold most pickups
Replace the spark plugs with the same plug that came in the vehicle. Purchase them at any Auto Parts store that sells that brand. They are the same plugs the dealer sells, but at a lower cost.
Lexus is Toyota luxury car line. Most often a Lexus dealer can be found right next to a Toyota dealer. In fact, sometimes the Toyota dealer sells both lines.
Gm trucks are made all over America. Most of the plants have closed due to the economy but you can still find many of them open and running.
You can buy any diesel truck in Tennessee from any auto dealer that focuses on selling trucks. Diesel trucks are very common nowadays and most dealers will carry these types of models.