Not sure how you came up with these prices, I would like to know. I placed my order today and I can tell you your information in not too accurate. Recaro Performance seats are STANDARD in both Sedan and Coupe. Also Cadillac vehicle equipped with run flat tires do not come with a tire inflation kit.
Here is a list of what else is standard:
Active Noise Cancellation
Air bag, Passenger Sensing System
Air bags, dual-stage frontal
Air filtration system
Antenna, integral front and rear
Armrest, front center
Armrest, rear center with cupholders
Audio system feature, Bose premium 7-speaker system
Battery, maintenance free with rundown protection
Brake linings, performance
Brake, electronic parking
Brakes, 4-wheel antilock, 4-wheel disc
Cadillac CUE Information and Media Control System
Child seat restraint system, rear facing
Climate control, dual-zone automatic
Coat hooks, driver- and passenger-side rear
Compass display
Console, floor
Console, overhead
Cooling system, extra capacity
Cruise control, electronic with set and resume speed
Daytime running lamps
Defogger, rear-window
Differential, electronic limited slip
Door handles, body-color
Door locks, power programmable with lockout protection
Door locks, rear child security
Driver Information Center, 5.7" color display
Drivetrain, rear-wheel drive
Engine, 3.6L V6 Twin Turbo SIDI, DOHC, VVT
Exhaust, dual stainless-steel with chrome tips
Fascias, front and rear body-color
Floor mats, carpeted front
Floor mats, carpeted rear
Front and Rear Park Assist
Fuel gauge, analog
Glass, Solar-Ray light-tinted
Glass, windshield, solar absorbing
Grille, performance
Headlamps, halogen composite, includes flash-to-pass and twilight sentinel
Indicator, engine oil life
Keyless Access, passive entry
Keyless ignition, push button start
LATCH system (Lower Anchors and Top tethers for CHildren), for child safety seats
Lamp, center high-mounted stop/brake (CHMSL)
Leather Seats with sueded microfiber inserts
Lighting, ambient, reading lights front and rear and lamp in cargo area
Magnetic Ride Control
Mirror, inside rearview auto-dimming, frameless
Mirrors, outside heated power-adjustable and driver-side auto-dimming
Moldings, rocker panel, body-color
Moldings, side glass, gloss Black
OnStar
Rear Vision Camera
Rear axle, 3.73 ratio
Remote Keyless Entry
Retained accessory power
Safety belts, 3-point, all seating positions
Safety belts, 3-point, rear, all seating positions
Seat adjusters, driver and front passenger 12-way power, plus 4-way power lumbar
Seats, Recaro performance
Seats, heated driver and front passenger
SiriusXM Satellite Radio
StabiliTrak, electronic stability control system
Steering column, power tilt and telescoping
Steering wheel controls, mounted audio controls, cruise and Bluetooth
Steering wheel, leather-wrapped rim
Steering, power, rack-and-pinion
Suspension, Special Ride and Handling
Theft-deterrent system, vehicle, PASS-Key III+
Tire Pressure Monitoring System
Tire inflation kit
Tires, P255/35ZR18 front, P275/35ZR18 rear, performance, summer-only, run-flat
Tow hooks
Transmission, 6-speed manual
Trunk emergency release handle
Trunk release, power
Visors, driver and passenger illuminated vanity mirrors, covered
Wheels, 18" x 9" (45.7 cm x 22.9 cm) front, 18" x 9.5" rear (45.7 cm x 24.1 cm) premium painted
Windows, power
Wipers, front intermittent
Wireless Charging