As long as you are within lb limits on tow and hitch weights, you can tow with anything. Vans can be about the same price as pick ups but a box limits load dimensions and often have noisier interiors due to the thin metal walls. Passenger vans, well ...
Bought 2014 1500 Silverado V8 2wd Double Cab with Stnd Bed last year (same as 2015) and it has been a dream. Comfortable and tows great on 500 mile run. Get 20" wheels for better ride when towing (but get locking wheel nuts as they are popular theft ...
When people pass my +40' rig on a two lane, I let off the throttle as soon as they are passing my seat and cover the brake. If they start to move in too early I am ready to slow and get distance between me and them.