2013 Ford E-350 EB V8 5.4, Sportsmobile Pop-Top, with Custom interior and 4X4.  We bought this van with 12,000 miles on it and it now has 17,065. We spent total over 100K. We have receipts for all items listed below. We put 5K miles of use on it and has been great for the family. Agile Offroad 4X4 conversion was the best decision we made. The ride is unbelievable both on and off road. 2 leather swivel captain's seats, leather bench with child seat adapter that folds down into 7ft bed (We have a 3inch foam topper as well) Sportsmobile motorized pop-top with extended piece (7ft). This van can sleep 4 adults very comfortably. Cabinets are custom designed with white wash stain. Solar, inverter, plug in ability,battery,water pump,20 gallon water storage, water heater, water suction ability to fill from standing water, Outdoor shower, (hot and cold water) Curtains on every window for full privacy,Sink,counter top space, Microwave, Norcold Fridge/Freezer, Fiamma awning, aluminess front/rear/top/box/2 locking bike racks, LED lights interior, numerous outlets for plug-ins and usb, back-up camera, alarm, panasonic screen with phone connector.Warn Winch, XL-R pro high beams which are amazing, Ko2 tires and Mickey Thompson wheels all with only 5K miles=see below for all pricing details
Our van conversion included with costs: 
Econoline 2013 E-series Cargo E-350 Super Duty Ext 5.4 V8 Gasoline (19K) 
Paint: Avalanche Gray (5K) 
Pop-Top from Sportsmobile (motorized, extended bed piece for 7 foot length) (10K) 
Agile Off-road 4-wheel drive conversion (Dana 50 Twin-Traction Beam, Long Travel with Fox 2.0 shift on the fly) See agileoffroad.com "Best designed, riding and performing 4X4 van both on and off-road" (16K) 
Aluminess: Roof Rack with solar attachment, Front Bumper, Rear Bumper (includes extra tire storage, large box and 2 1-up bike racks with locks. (10K) 
Wheels: Mickey Thompson X 5 ($925) 
Tires: BFG KO2 285/70-17 ($1200)
XL-R Pro front lights X2 ($700) 
Fiamma awning (1K)
Oak Tree Van Build: Cabinets, Flooring, Windows, Solar, Plug in adapter, Inverter, Both front seat leather swivel, Fold down leather bench seat with 2 lap belts/car seat latch, Water heater, 20 Gallon water storage, Norcold Fridge/Freezer, Water intake and water suction ability to fill tank, Water pump, Sink, Counters (35K) 
Audio System Screen/Back up camera/Alarm ($1,600)    
Warn Winch (1K)