I have a 2014 1SS 1LE, 3/4 tank go GAS, NO sunroof, Cloth seats (power), NPP exhaust option, also optioned with no spare tire in the trunk, eBay long tube headers (catless), SLP Blackwing CAI, + Cheeseburger eating driver aswell
1 thing to note is that the scale goes up in 20 LBS increments, so it could weigh 4,101 - 4,119.
total weight 4,100 - 247 (C-E-D) = roughly 3,860 just like ZL1 registry said.