[GB EB]

C7 VINs include a code that indicates trim level, transmission and Z51/non-Z51:

2014 VIN Decoding:

This is an example of a VIN # for a 2014 Corvette Coupe (3LT, Z51, MN7):

1 G 1 Y L 2 D 7 X E 5 1 0 0 0 0 1

There are 17 characters. Starting with first character on left the codes are:
01. "1"= Built in US
02. "G"= General Motors
03. "1"= Chevrolet
04. Denotes the car line: Corvette is a "Y" body.
05. Provides more info about the car:
.. A=1LT M/T
.. B=1LT A/T
.. C=2LT M/T
.. D=2LT A/T
.. E=3LT M/T
.. F=3LT A/T
.. G=Z51 1LT M/T
.. H=Z51 1LT A/T
.. J=Z51 2LT M/T
.. K=Z51 2LT A/T
.. L=Z51 3LT M/T
.. M=Z51 3LT A/T
.. 9=export (Non US, Non Canada)
06. Body style: "2" = Coupe, "3" = Convertible
07. Restraint code: D – AJ7 Active Manual Belts, Airbags – Driver & Passenger and Seat Side
08. Engine: LT1 = "7"
09. Check Digit – 0 to 9 or X
10. Model year: E (2014)
11. Plant: Bowling Green = "5"
12-17. Production sequence number that starts with the #100001 for each model yr.