Aluminum Frame Fatbike Comparison Buyers Guide (*as of 9/1/15)
When shopping for a front suspension fatbikes and looking at reviews, there are three essentials to look for.
1) For best handling, comfort and control look for Rockshox Bluto Suspension Forks (worth $600 alone).
2) For enhanced ride quality, traction and virtually flat-free riding (when converted) look for MuleFut Tubeless Wheels (worth $700 alone)
3) For best power and control, look for hydraulic disc brakes.

If your fatbike does not have at least these three top features, expect to spend about $1500 more to get them.
Compare FatBike Features
Motobecane Sturgis Bullet Trek Farley 5 Fatbike Specialized Fatboy SE Framed Minnesota 2.2+Bluto
Shipping Cost Free Shipping 48 States Trek May Charge Specialized May Charge $39.95 For Ground
Tires 26x4.8 inch 120tpi 26x4.7 inch 120tpi 26x4.6 inch 120tpi 26x4 inch 120tpi
Frame Fits 5 inch Tires Yes Yes Yes NO
MuleFut Tubeless Wheels Yes $700 Value Yes, Front Won't fit Bluto Forks NO NO
Rockshox Bluto Fork Yes $600 Value NO NO Yes $600 Value
RaceFace Ride Cranks Yes Yes NO NO
Rear Thru Axle Yes Yes NO NO
Advanced Clutch Rear Der. Yes Yes NO NO
Hydraulic Disc Brakes Yes Yes NO NO
Total Sale Price* $1,499.95 +FREE Ship 48 $1,729.99 + ? $1,500 + ? $1,489.90