A:Answer The LG 6.3 cu. ft Electric Single Oven Range with ProBake Convection® and EasyClean®, Model # LRE4213ST has a different Broil Element ( Sheath 4,200W / 6 Pass) and the LRE4215ST has a Charcoal (1.6 KW + Sheath 2.4 KW) broil element. The Right Front Element on the cooktop for the LRE4313ST is a Dual element (12" - 2,700W and a 9" - 1,700W) and the LRE4215ST has a Tri-element (12" - 3,000W, 9" - 2,200W and a 6" - 1,100W). The only other difference is in the included accessories. The LRE4215ST also comes with a Cooktop Cream/Cleaner...^IFV