Looks like some 2018 Corvette information has been released by GM ahead of schedule!
Deletions
(GGB) Sterling Blue Metallic exterior color
(12*) Dark Gray Z06 interior
(205) Twilight Blue interior
18″ front/19″ rear Stingray wheels (QG6/QX1/RPK/QX3) and (XBK) 18″ front/19″ rear Stingray tires
(ZLD/ZLE/ZLG) Design Packages (198 Jet Black sueded and 755 Spice Red interiors still available)
(Z25) Grand Sport Collector Edition
PO wheels: 5YU/5YV/5YZ/5Z2/5YX/5YW/5Z8 (all still ACO)
(PBC) Customer Engine Build Program
(PD5) Buyers Tour with engine build experience
New Features
(G9F) Ceramic Matrix Gray Metallic exterior color
(Z30) Carbon 65 Edition for 3LT Grand Sport and 3LZ Z06
(RNP) Z51-style 5-split spoke, Black-painted with Yellow stripe aluminum, 19″ x 8.5″ front and 20″ x 10″ rear wheels
(RNM) Torque directional Silver-painted aluminum, 19″ x 8.5″ front and 20″ x 10″ rear wheels
(R2Q) Torque directional chrome aluminum, 19″ x 8.5″ front and 20″ x 10″ rear wheels
(RNN) Motorsports Black-painted aluminum, 19″ x 8.5″ front and 20″ x 10″ rear wheels
(Q9C) Z06 Black-painted aluminum with Yellow Stripe, 19″ x 10″ front and 20″ x 12″ rear wheels
(37S) Blue custom leather stitch
HD radio
Changes
2LT interior adds color instrument panel brow (now common with 2LZ)
(141/143/144/145/146) Gray interior now available on Z06
(755) Spice Red interior is now available on 3LT/3LZ
(198) Jet Black sueded interior is now available for 3LT/3LZ and includes (FCC) high-gloss carbon fiber, instrument panel and (N2Z) carbon fiber and sueded microfiber-wrapped rim, flat-bottom steering wheel
(80T) Spice Red convertible top now available
(196) Jet Black sueded interior not available with color stitch options, now use (198) Jet Black sueded interior
(36S) Yellow/(37S) Blue/(38S) Red custom leather stitch now requires (195) Jet Black interior and (FAY) carbon fiber instrument panel trim; or (198) Jet Black sueded interior
(UQT) Performance data and video recorder updates include additional toolbox data available: All 4 individual wheel speeds, All 4 suspension displacements, Yaw rate, Intake air temperature, Ambient air temperature
(Q7S) Z51-style 5-split spoke, Silver-painted aluminum, 19″ front/20″ rear and (XFJ) P245/35ZR19 front/P285/30ZR20 rear, performance, summer-only tires now standard on Stingray
(R86) Motorsports polished aluminum wheels are now available for all Stingray models
(Q8U) Z06 10-spoke blade Pearl Nickel-painted aluminum wheels are now available for all Z06 models
Standard Rear Vision Camera now has a wide view
(DUR) Grand Sport Satin Black Center Stripe Package now available with (Z15) Grand Sport Heritage Package
(FE2) Magnetic Ride Control no longer includes spoiler or wheel change
(J57) Ceramic disc brakes now available on Grand Sport without (Z07) Z07 Performance Package
NEW! Calipers, Blue-painted
1 – Included and only available with (Z30) Carbon 65 Edition.