Even Better

All 1982-1993 Mustang’s have a 17 digit VIN.

Digits 1-3 = World Manufacturer Identifier
all 1982-1993 Mustangs = 1FA - FoMoCo USA Ford Passenger Car
Digit 4 = Restraint System
1982-1989 Mustangs = B - Active Belts (Manual)
1990-1993 Mustangs = C - Air Bag with Active Belts (Front)
Digit 5 = Passenger Car
all 1982-1993 Mustangs - P
Digits 6-7 = Series - Body Style
1982 Mustangs
10 - 2-door Notchback (L/GL Series)
12 - 2-door Notchback (GLX Series)
13 - 3-door Hatchback (GLX Series)
16 - 3-door Hatchback (GL/GT Series)
1983-1986 Mustangs
26 - 2-door Notchback (L/GL/GLX/LX Series)
27 - 2-door Convertible (GLX/LX/GT Series)
28 - 3-door Hatchback (L/GL/GLX/LX/GT Series)
1987-1993 Mustangs
40 - 2-door Notchback (LX Series)
41 - 3-door Hatchback (LX Series)
42 - 3-door Hatchback (GT Series)
44 - 2-door Convertible (LX Series)
45 - 2-door Convertible (GT Series)
Digit 8 = Engine
(Note only codes for V8 and 2.3L Turbo engines are shown here even though Ford did put various other 4 cylinder and 6 cylinder engines in the Mustang)
1982 Mustangs
D - 4.2 liter 2V V8 255 CID 120 hp
F - 5.0 liter 2V V8 302 CID 157 hp
1983 Mustangs
F - 5.0 liter 4V V8 302 CID 175 hp
W - 2.3 Liter CFI 4 cylinder turbo 140 CID 145 hp (Turbo GT only)
1984 Mustangs
M - 5.0 liter 4V (5-speed manual - 175 hp) or CFI (automatic - 165 hp) V8 302 CID
T - 2.3 Liter CFI 4 cylinder turbo 140 CID 175 hp (SVO only)
W - 2.3 Liter CFI 4 cylinder turbo 140 CID 145 hp (Turbo GT only)
1985 Mustangs
M - 5.0 liter 4V (5-speed manual - 210 hp) or CFI (automatic - 180 hp) V8 302 CID
1986 Mustangs
M - 5.0 liter SEFI V8 302 CID 200 hp
1987-1992 Mustangs
E - 5.0 liter SEFI V8 302 CID 225 hp
1993 Mustangs
D - 5.0 liter SEFI V8 302 CID 235 hp (Cobra only)
E - 5.0 liter SEFI V8 302 CID 205 hp
Digit 9 = Check Digit (for Ford internal use)
all 1982-1993 Mustangs = any digit 0-10 or X
Digit 10 = Model Year
1982 = C
1983 = D
1984 = E
1985 = F
1986 = G
1987 = H
1988 = J
1989 = K
1990 = L
1991 = M
1992 = N
1993 = P
Digit 11 = Assembly Plant
all 1982-1993 Mustangs = F - Dearborn
Digit 12-17 = Consecutive Unit Number
production numbers started at 100001 at the beginning of each model year (these numbers include ALL Mustangs - not just GTs)
Here’s a breakdown of the VIN for a 1991 GT Hatchback - 1FACP42E6MF115008:

1FA = Ford Motor Co. USA Ford Passenger Car
C = Air Bag(s) with Active Belts (Front)
P = Passenger Car
42 = 2-door Hatchback GT
E = V8 5.0 Liter 302-SEFI
6 = Check digit (for Ford internal use)
M = 1991
F = Dearborn
115008 = Consecutive Unit Number - this car would be the 15008th Mustang (of ALL Mustangs - not just GTs) off the line in model year 1991.